N | Coord. | Preceding Context | WORD | Following Context |
2 | | | waagen | |
| 5278.107 | of KUGLER. A New Edition. Edited by DR. | WAAGEN. Woodcuts- Post 8vo. {In the Press |
| 5564.119 | New Edition. Edited, with Notes. By DR. | WAAGEN. Woodcuts. Post 8vo. Nearly Ready |
1 | | | waagen's | |
| 6100.0 | of "PADDIANA." Post 8vo. 9s. 6d.
| WAAGEN'S (DR.) Treasures of Art in Great Britain |
1 | | | waddington's | |
| 6104.0 | described. With Index. 8vo. 18s.
| WADDINGTON'S (DEAN) Condition and Prospects of the |
1 | | | waders | |
| 3704.4 | transporting seeds, 361.
——, | waders, 386.
—, wingless, 134, 182.
—, with |
1 | | | wading | |
| 2898.583 | to the feet and beaks of birds. | Wading birds, which frequent the muddy edges |
2 | | | wading-birds | |
| 2928.1305 | or floating timber, or to the feet of | wading-birds, might be transported far more easily |
| 4545.0 | Vulture, naked skin on head, 197.
W.
| Wading-birds, 386.
Wallace, Mr., on origin of |
3 | | | wafted | |
| 639.141 | the water; in the plumed seed which is | wafted by the gentlest breeze; in short, we |
| 1223.46 | which were a little better fitted to be | wafted further, might get an advantage over |
| 1610.561 | in order that a few granules may be | wafted by a chance breeze on to the ovules |
1 | | | wakefield's | |
| 6106.0 | New Edition. Fcap. 8vo. 3s. 6d.
| WAKEFIELD'S (E. J.) Adventures in New Zealand. With |
5 | | | wales | |
| 2759.471 | than do the mountains of Scotland and | Wales, with their scored flanks, polished |
| 4772.4 | the TABLES. London, 1822. 4to. 2s.
41. | WALES' AND BAYLY'S ASTRONOMICAL OBSERVATIONS |
| 4774.4 | OBSERVATIONS. 1777. 4to. 21s.
42. | WALES' REDUCTION OF ASTRONOMICAL OBSERVATIONS |
| 5432.10 | BUNYAN. By ROBERT SOUTHEY.
NEW SOUTH | WALES. By MRS. MEREDITH.
LIFE OF SIR FRANCIS |
| 5716.57 | Notes and Sketches of New South | Wales, during a Residence from 1839 to |
3 | | | walking | |
| 311.452 | the domestic duck flying much less, and | walking more, than its wild parent. The great |
| 1486.669 | long toes of grallatores are formed for | walking over swamps and floating plants, yet |
| 1590.572 | but a foot with five toes fitted for | walking or grasping; and we may further venture |
2 | | | walks | |
| 4648.11 | Woodcuts. Fcap.Svo. 2s. 6d.
AUNT IDA'S | Walks and Talks; a Story Book for Children |
| 6108.0 | of the Island. Map. 2 Vols. 8vo. 28s.
| WALKS AND TALKS. A Story-book for Young |
4 | | | wallace | |
| 236.231 | been induced to do this, as Mr. | Wallace, who is now studying the
[page |
| 2693.916 | advanced in an ingenious paper by Mr. | Wallace, in which he concludes, that "every |
| 2954.1073 | admirable zeal and researches of Mr. | Wallace. I have not as yet had time to follow |
| 4546.0 | on head, 197.
W.
Wading-birds, 386.
| Wallace, Mr., on origin of species, 2.
——, on |
1 | | | wallace's | |
| 240.511 | it advisable to publish, with Mr. | Wallace's excellent memoir, some brief extracts |
1 | | | wallowing | |
| 1574.1048 | looked at as a direct adaptation for | wallowing in putridity; and so it may be, or it |
7 | | | walls | |
| 1767.1898 | the bees building perfectly flat | walls of wax between the spheres
[page |
| 1771.776 | this manner of building; for the flat | walls between the adjoining cells are not |
| 1787.968 | to excavate, and began to build up flat | walls of wax on the lines of intersection |
| 1801.904 | the rhombic plates, until the hexagonal | walls are commenced. Some of these statements |
| 1807.1270 | without injuring the delicate hexagonal | walls, which are only about one four |
| 1809.376 | by covering the edges of the hexagonal | walls
[page] 232 INSTINCT. CHAP. VII.
of a |
| 1815.507 | distances from each other and from the | walls of the last completed cells, and then |
2 | | | walter | |
| 5060.52 | Works. A New Edition, based upon Sir | Walter Scotts Edition, entirely revised. 8vo |
| 5249.3 | Edition. Woodcuts. Post 8vo. 12s.
——( | WALTER) Hindostan, Geographically |
4 | | | wander | |
| 912.343 | which unite for each birth, which | wander much, and which do not breed at a very |
| 912.673 | which unite for each birth, but which | wander little and which can increase at a very |
| 1432.190 | classes which unite for each birth and | wander much, may have separately been rendered |
| 2167.14 | which we see around us.
It is good to | wander along lines of sea-coast, when formed |
3 | | | wanderers | |
| 2749.1395 | but seeds could be transported by these | wanderers only by one means, namely, in dirt |
| 2849.758 | have profited them. Thus many of these | wanderers, though still plainly related by |
| 2898.752 | this order I can show are the greatest | wanderers, and are occasionally found on the most |
4 | | | wandering | |
| 511.259 | enclosure of the land plays a part. | Wandering savages or the inhabitants of open |
| 1406.971 | especially with freely-crossing and | wandering animals.
In looking at species as they |
| 2948.1417 | can fly across. Bats have been seen | wandering by day far over the Atlantic Ocean; and |
| 2948.1800 | Hence we have only to suppose that such | wandering species have been modi-
[page |
1 | | | wanderings | |
| 5247.19 | Post 8vo. 6s. each.
HAMILTON'S (JAMES) | Wanderings in Northern Africa, Benghazi, Cyrene |
1 | | | wanted | |
| 2966.1415 | crawled away: but more experiments are | wanted on this head.
The most striking and |
4 | | | wants | |
| 441.920 | and may make great improvements; if he | wants any of these qualities, he will |
| 487.209 | structure or in their habits to man's | wants or fancies. We can, I think, further |
| 3295.570 | having to provide for their own | wants at a very early stage of development |
| 3359.931 | the being has to provide for its own | wants, and bearing in mind how strong is the |
1 | | | ward's | |
| 6110.0 | By AUNT IDA. With Woodcuts. 16mo. 5s.
| WARD'S (ROBERT PLUMER) Memoir, Correspondence |
1 | | | war-dance | |
| 816.1126 | and whirling round, like Indians in a | war-dance, for the possession of the females |
1 | | | warfare | |
| 5054.9 | Edition. Plates. 8vo. 21s.
—— Naval | Warfare with Steam. Woodcuts. 8vo. 8s. 6d |
12 | | | warmer | |
| 1131.890 | by variation when it ranged into | warmer or shallower waters.
When a variation |
| 1177.170 | of plants and animals brought from | warmer countries which here enjoy good health |
| 1177.1197 | largely extended their range from | warmer to cooler latitudes, and conversely |
| 2775.70 | period, has ever been in any degree | warmer than at present (as some geologists in |
| 2775.471 | respect to this intercalated slightly | warmer period, since the Glacial period.
The |
| 2787.478 | the same as now, the climate was | warmer than at the present day. Hence we may |
| 2789.279 | that during some earlier and still | warmer period, such as the older Pliocene |
| 2793.667 | at the present time; for during these | warmer periods the northern parts of the Old |
| 2817.677 | under the equator and under the | warmer temperate zones, and on both sides of |
| 2833.444 | forms living on the mountains of the | warmer regions of the earth and in the |
| 2839.1399 | of competitors, can withstand a much | warmer climate than their own. Hence, it seems |
| 2863.1202 | northern hemisphere, to a former and | warmer period, before the commencement of the |
2 | | | warmest | |
| 747.838 | of the same species, for the | warmest or dampest spots.
Hence, also, we can |
| 2839.987 | more especially by escaping into the | warmest spots. But the great fact to bear in |
1 | | | warmest-clad | |
| 1133.404 | of this difference may be due to the | warmest-clad individuals having been favoured and |
8 | | | warmth | |
| 351.541 | or the small power of endurance of | warmth by the rein-deer, or of cold by the |
| 2767.7 | difference in the final result.
As the | warmth returned, the arctic forms would |
| 2767.315 | ascending higher and higher, as the | warmth increased, whilst their brethren were |
| 2767.409 | their northern journey. Hence, when the | warmth had fully returned, the same arctic |
| 2769.391 | and the re-migration on the returning | warmth, will generally have been due south and |
| 2777.481 | from the moment of the returning | warmth, first at the bases and ultimately on |
| 2795.29 | During the slowly decreasing | warmth of the Pliocene period, as soon as the |
| 2845.265 | some even crossed the equator. As the | warmth returned, these temperate forms would |
1 | | | warned | |
| 796.35 | parts of the Continent persons are | warned not to keep white pigeons, as being the |
1 | | | was—as | |
| 1189.1081 | for it is now as tender as ever it | was—as proving that acclimatisation cannot be |
5 | | | washed | |
| 1536.1227 | for preventing the ova from being | washed out of the sack?
Although we must be |
| 2171.1064 | years have elapsed since the waters | washed their base.
He who most closely |
| 2717.572 | then by a fresh rise in the stream be | washed into the sea. Hence I was led to dry |
| 2729.332 | perfectly that not a particle could be | washed away in the longest transport: out of |
| 2898.939 | the sea, so that the dirt would not be | washed off their feet; when making land, they |
2 | | | washington | |
| 5202.54 | G. R.) Campaigns of the British Army at | Washington and New Orleans. Post 8vo. 2s. 6d |
| 5482.13 | INDIA. By REV. C. ACLAND.
CAMPAIGNS AT | WASHINGTON. By REV. G. R. GLEIG.
ADVENTURES IN |
1 | | | wasp-combs | |
| 1819.162 | that the cells on the extreme margin of | wasp-combs are sometimes strictly hexagonal; but I |
1 | | | wasp-like | |
| 1725.424 | Some species, likewise, of Sphegidæ ( | wasp-like insects) are parasitic on other species |
1 | | | wasps | |
| 5726.86 | English Notes. 8vo.—l. CLOUDS, 10s.—2. | WASPS, 10s.—3. FROGS, 15s.
MILMANS (DEAN |
1 | | | waste | |
| 3470.777 | sterile sisters; at the astonishing | waste of pollen by our fir-trees; at the |
4 | | | wasted | |
| 1231.226 | individual not to have its nutriment | wasted in building up an useless structure. I |
| 1231.1379 | itself, by less nutriment being | wasted in developing a structure now become |
| 1723.804 | picked up no less than twenty lost and | wasted eggs.
Many bees are parasitic, and |
| 1831.763 | of wax; that individual swarm which | wasted least honey in the secretion of wax |
2 | | | watch | |
| 2165.1064 | great piles of superimposed strata, and | watch the sea at work grinding down old rocks |
| 4732.50 | S ACCOUNT OF THE GOING OF HARRISON' | WATCH. 1767. 4to. 2s. 6d.
21. MAYER'S |
7 | | | watched | |
| 413.919 | selection. Fourthly, pigeons have been | watched, and tended with the utmost care, and |
| 419.136 | because when I first kept pigeons and | watched the several kinds, knowing well how |
| 1472.796 | instances could be given: I have often | watched a tyrant flycatcher (Saurophagus |
| 1675.135 | the aphides would want to excrete. I | watched them for some time through a lens, but |
| 1737.1187 | July, on three successive years, I have | watched for many hours several nests in Surrey |
| 1737.1460 | but Mr. Smith informs me that he has | watched the nests at various hours during May |
| 2249.174 | views on this subject in 1845, I have | watched the progress of Geology, and have been |
2 | | | watching | |
| 1514.305 | that there is a power always intently | watching each slight accidental alteration in |
| 1851.370 | could be slowly formed by carefully | watching which individual bulls and cows, when |
47 | | | water | |
| 291.1463 | changes, such as a little more or less | water at some particular period of growth |
| 639.106 | of the beetle which dives through the | water; in the plumed seed which is wafted by |
| 741.684 | confined to the elements of air and | water. Yet the advantage of plumed seeds no |
| 892.794 | but here currents in the | water offer an obvious means for an |
| 940.454 | slowly exterminated. And it is in fresh | water that we find seven genera of Ganoid |
| 940.556 | a once preponderant order: and in fresh | water we find some of the most anomalous |
| 982.588 | stations, climbing trees, frequenting | water, and some perhaps becoming less |
| 988.746 | islets; and so in small ponds of fresh | water. Farmers find that they can raise most |
| 1125.600 | limit, and when living in shallow | water, are more brightly coloured than those |
| 1141.708 | can only flap along the surface of the | water, and has its wings in nearly the same |
| 1462.149 | Micropterus of Eyton); as fins in the | water and front legs on the land, like the |
| 1470.426 | in many ways, on the land and in the | water, until their organs of flight had come |
| 1472.995 | standing stationary on the margin of | water, and then dashing like a kingfisher at |
| 1476.374 | catching, like a whale, insects in the | water. Even in so extreme a case as this, if |
| 1484.585 | with its feet and using its wings under | water.
He who believes that each being has |
| 1486.356 | feet which rarely or never go near the | water; and no one except Audubon has seen the |
| 1492.733 | land or most rarely alighting on the | water; that there should be long-toed |
| 1522.905 | that breathe the air dissolved in the | water, at the same time that they breathe |
| 2171.218 | there is reason to believe that pure | water can effect little or nothing in wearing |
| 2219.20 | million years.
The action of fresh | water on the gently inclined Wealden district |
| 2221.198 | over the whole world, the land and the | water has been peopled by hosts of living |
| 2227.551 | the ocean, the bright blue tint of the | water bespeaks its purity. The many cases on |
| 2227.1414 | species, which inhabits deep | water and has been found fossil in Sicily |
| 2273.1527 | such beds as were deposited in shallow | water near the mouth of the Mississippi |
| 2379.1644 | by an enormous weight of superincumbent | water, might have undergone far more |
| 2474.179 | productions of the land and of fresh | water change at distant points in the same |
| 2661.165 | time, over the same areas of land and | water, and independent of their physical |
| 2717.690 | ripe fruit, and to place them on sea | water. The majority sank quickly, but some |
| 2735.1131 | I find, eat seeds of many land and | water plants: fish are frequently devoured by |
| 2886.463 | of their ova when removed from the | water. But I am inclined to attribute the |
| 2886.1616 | be slowly accustomed to live in fresh | water; and, according to Valenciennes, there |
| 2886.1726 | of fishes confined exclusively to fresh | water, so that we may imagine that a marine |
| 2892.353 | and they are immediately killed by sea | water, as are the adults. I could not even |
| 2892.1262 | so firmly that when taken out of the | water they could not be jarred off, though at |
| 2898.1303 | from three different points, beneath | water, on the edge of a little pond; this mud |
| 2910.1539 | to another and often distant piece of | water. Nature, like a careful gardener, thus |
| 2972.37 | almost every product of the land and | water bears the unmistakeable stamp of the |
| 3032.500 | of barriers, whether of land or | water, which separate our several zoological |
| 3057.396 | to inhabit the land, and another the | water; one to feed on flesh, another on |
| 3163.218 | both classes for swimming through the | water; but the shape of the body and fin-like |
| 3165.195 | the three elements of land, air, and | water,—we can perhaps understand how it is |
| 3245.347 | nest, and in the spawn of a frog under | water. We have no more reason to believe in |
| 3518.1131 | has to breathe the air dissolved in | water, by the aid of well-developed branchiæ |
| 3919.38 | Fishes, ganoid, now confined to fresh | water, 107.
—, electric organs of |
| 3921.27 | of, 192.
—, ganoid, living in fresh | water, 321.
—of southern hemisphere |
| 4245.7 | habits of, how acquired, 179.
Ouzel, | water, 185.
Owen, Prof., on birds not flying |
| 4550.0 | Archipelago, 395.
Wasp, sting of, 202.
| Water, fresh, productions of, 383.
Water-hen |
3 | | | water-beetle | |
| 741.606 | the flattened and fringed legs of the | water-beetle, the relation seems at first confined |
| 741.906 | and fall on unoccupied ground. In the | water-beetle, the structure of its legs, so well |
| 2896.123 | a limpet) firmly adhering to it; and a | water-beetle of the same family, a Colymbetes, once |
2 | | | water-birds | |
| 2902.188 | be an inexplicable circumstance if | water-birds did not transport the seeds of fresh |
| 4563.15 | denudation of, 285.
Web of feet in | water-birds, 185.
West Indian islands, mammals of |
1 | | | water-breathing | |
| 1464.34 | Seeing that a few members of such | water-breathing classes as the Crustacea and Mollusca |
2 | | | water-hen | |
| 1486.718 | swamps and floating plants, yet the | water-hen is nearly as aquatic as the coot; and |
| 4551.0 | Water, fresh, productions of, 383.
| Water-hen, 185.
Waterhouse, Mr., on Australian |
7 | | | waterhouse | |
| 1002.692 | other, and feebly representing, as Mr. | Waterhouse and others have remarked, our |
| 1245.247 | to the above effect, published by Mr. | Waterhouse. I infer also from an observation made |
| 1767.45 | led to investigate this subject by Mr. | Waterhouse, who has shown that the form of the |
| 3175.4 | of favourable circumstances.
Mr. | Waterhouse has remarked that, when a member
[page |
| 3179.161 | and not special: thus, according to Mr. | Waterhouse, of all Rodents, the bizcacha is most |
| 3179.1350 | other hand, of all Marsupials, as Mr. | Waterhouse has remarked, the phascolomys resembles |
| 4552.0 | productions of, 383.
Water-hen, 185.
| Waterhouse, Mr., on Australian marsupials |
1 | | | waterhouse's | |
| 1249.434 | that I particularly attended to Mr. | Waterhouse's remark, whilst investigating this Order |
1 | | | water-insects | |
| 3678.15 | distribution of, 394.
Bear, catching | water-insects, 184.
Bee, sting of, 202.
——, queen |
3 | | | water-lily | |
| 2904.252 | of moderate size, as of the yellow | water-lily and Potamogeton. Herons and other birds |
| 2904.617 | great size of the seeds of that fine | water-lily, the Nelumbium, and remembered Alph. de |
| 2904.831 | found the seeds of the great southern | water-lily (probably, according to Dr. Hooker, the |
2 | | | waterloo | |
| 5204.26 | vo. 2s. 6d.
—— Story of the Battle of | Waterloo, Compiled from Public and Authentic |
| 5474.19 | HERMANN MELVILLE.
STORY OF BATTLE OF | WATERLOO. By REV. G. R. GLEIG.
A VOYAGE UP THE |
1 | | | watermark | |
| 2227.1138 | live on the beach between high and low | watermark are preserved. For instance, the |
2 | | | water-ouzel | |
| 1484.367 | by examining the dead body of the | water-ouzel would never have suspected its sub |
| 4556.0 | on general affinities, 429.
| Water-ouzel, 185.
Watson, Mr. H. C., on range of |
16 | | | waters | |
| 526.1283 | condition of shells in the brackish | waters of the Baltic, or dwarfed
[page |
| 1131.910 | when it ranged into warmer or shallower | waters.
When a variation is of the slightest |
| 1446.21 | THEORY. CHAP. VI.
it leaves the frozen | waters, and preys like other polecats on mice |
| 2171.1057 | elsewhere years have elapsed since the | waters washed their base.
He who most closely |
| 2402.86 | another, both on the land and in the | waters. Lyell has shown that it is hardly |
| 2458.1434 | Ganoid fishes still inhabit our fresh | waters. Therefore the utter extinction of a |
| 2494.835 | the land, and another for those in the | waters of the sea. If two great regions had |
| 2657.1309 | species of bizcacha; we look to the | waters, and we do not find the beaver or musk |
| 2801.26 | distinct.
As on the land, so in the | waters of the sea, a slow southern migration |
| 2869.447 | of life can be explained. The living | waters may be said to have flowed during one |
| 2869.805 | tide rises highest, so have the living | waters left their living drift on our mountain |
| 2880.566 | when first collecting in the fresh | waters of Brazil, feeling much surprise at the |
| 2886.63 | same species never occur in the fresh | waters of distant continents. But on the same |
| 2890.49 | modified and adapted to the fresh | waters of a distant land.
Some species of |
| 2904.400 | they then take flight and go to other | waters, or are blown across the sea; and we |
| 2910.518 | consequently an intruder from the | waters of a foreign country, would have a |
11 | | | watson | |
| 548.330 | by another as mere varieties. Mr. H. C. | Watson, to whom I lie under deep obligation |
| 582.279 | seemed a simple task; but Mr. H. C. | Watson, to whom I am much indebted for |
| 616.491 | ranges. For instance, Mr. H. C. | Watson has marked for me in the well-sifted |
| 616.798 | of the provinces into which Mr. | Watson has divided Great Britain. Now, in this |
| 616.1166 | allied forms, marked for me by Mr. | Watson as doubtful species, but which are |
| 1177.987 | have been made by Mr. H. C. | Watson on European species of plants brought |
| 1418.624 | appear from information given me by Mr. | Watson, Dr. Asa Gray, and Mr. Wollaston, that |
| 2743.566 | mainland, and (as remarked by Mr. H. C. | Watson) from the somewhat northern character |
| 2769.515 | of Scotland, as remarked by Mr. H. C. | Watson,
[page] 368 GEOGRAPHICAL DISTRIBUTION |
| 2833.244 | northern temperate zones. As Mr. H. C. | Watson has recently remarked, "In receding |
| 4557.0 | affinities, 429.
Water-ouzel, 185.
| Watson, Mr. H. C., on range of varieties of |
2 | | | watt's | |
| 6112.0 | PHIPPS. Portrait. 2 Vols. 8vo. 28s.
| WATT'S (JAMES) Life. Incorporating the most |
| 6116.0 | and Woodcuts. 8vo. 16s.
[page] 32
| WATT'S (JAMES) Origin and Progress of his |
4 | | | wattle | |
| 413.640 | of each breed, for instance the | wattle and length of beak of the carrier, the |
| 828.299 | sex in our domestic animals (as the | wattle in male carriers, horn-like |
| 1257.1379 | the different tumblers, in the beak and | wattle of the different carriers, in the |
| 1261.624 | generally to the male sex, as with the | wattle of carriers and the enlarged crop of |
1 | | | wattles | |
| 1225.840 | comb, and a large beard by diminished | wattles. With species in a state of nature it |
5 | | | waves | |
| 2171.108 | for a short time twice a day, and the | waves eat into them only when they are |
| 2171.463 | in size they can be rolled about by the | waves, and then are more quickly ground into |
| 2205.12 | IX. GEOLOGICAL RECORD.
worn by the | waves and pared all round into perpendicular |
| 2243.165 | withstand the incessant action of the | waves, when first upraised and during |
| 2723.812 | do not doubt that plants exposed to the | waves would float for a less time than those |
2 | | | waxen | |
| 1767.1392 | the latter: it forms a nearly regular | waxen comb of cylindrical cells, in which the |
| 1825.1113 | of her instinct led her to make her | waxen cells near together, so as to intersect |
2 | | | wayside | |
| 5478.4 | RIVER AMAZON. By W. H. EDWARDS.
THE | WAYSIDE CROSS. By CAPT. MILMAN.
MANNERS |
| 5740.18 | Fcap. 8vo. 1s.
——— (CAPT. E. A.) | Wayside Cross; or, the Raid of Gomez. A Tale of |
1 | | | weakening | |
| 1357.50 | and use in strengthening, and disuse in | weakening and diminishing organs, seem to have |
2 | | | weaker | |
| 735.20 | CHAP. III.
tion, otherwise the | weaker kinds will steadily decrease in numbers |
| 1675.1318 | others, as each takes advantage of the | weaker bodily structure of others. So again |
1 | | | weakest | |
| 1889.329 | vary, let the strongest live and the | weakest die.
[page] 245 CHAP. VIII. HYBRIDISM |
1 | | | weakness | |
| 2046.811 | same conditions of life, always induces | weakness and sterility in the progeny.
Hence it |
7 | | | weald | |
| 2209.81 | well-known one of the denudation of the | Weald. Though it must be admitted that the |
| 2209.142 | be admitted that the denudation of the | Weald has been a mere trifle, in comparison |
| 2213.63 | of rocks which must have covered up the | Weald within so limited a period as since the |
| 2213.402 | a range of older rocks underlies the | Weald, on the flanks of which the overlying |
| 2213.845 | the time requisite to have denuded the | Weald. This, of course, cannot be done; but |
| 2217.129 | the above data, the denudation of the | Weald must have required 306,662,400 years |
| 4562.0 | rarity of intermediate varieties, 176.
| Weald, denudation of, 285.
Web of feet in |
1 | | | wealden | |
| 2219.49 | of fresh water on the gently inclined | Wealden district, when upraised, could hardly |
5 | | | weapons | |
| 816.550 | general vigour, but on having special | weapons, confined to the male sex. A hornless |
| 816.1416 | seem oftenest provided with special | weapons. The males of carnivorous animals are |
| 828.16 | SELECTION. CHAP. IV.
males, in their | weapons, means of defence, or charms; and have |
| 1877.97 | instincts and by inherited tools or | weapons, and not by acquired knowledge and |
| 3440.317 | will often depend on having special | weapons or means of defence, or on the charms |
1 | | | wearing | |
| 2171.256 | water can effect little or nothing in | wearing away rock. At last the base of the |
1 | | | wears | |
| 2213.741 | knew the rate at which the sea commonly | wears away a line of cliff of any given |
2 | | | weather | |
| 846.1176 | could not thus have been carried. The | weather had been cold and boisterous, and |
| 872.346 | and stigmas fully exposed to the | weather! but if an occasional cross be |
11 | | | webbed | |
| 1442.650 | vison of North America, which has | webbed feet and which resembles an otter in |
| 1486.222 | What can be plainer than that the | webbed feet of ducks and geese are formed for |
| 1486.310 | yet there are upland geese with | webbed feet which rarely or never go near the |
| 1486.444 | bird, which has all its four toes | webbed, alight on the surface of the sea. On |
| 1486.944 | corresponding change of structure. The | webbed feet of the upland goose may be said to |
| 1492.658 | should be geese and frigate-birds with | webbed feet, either living on the dry land or |
| 1586.1434 | Thus, we can hardly believe that the | webbed feet of the upland
[page |
| 1590.375 | upland goose and of the frigate-bird, | webbed feet no doubt were as useful as they |
| 1620.325 | arisen that there are upland geese with | webbed feet, ground woodpeckers, diving |
| 3211.514 | membrane, so as to serve as a fin; or a | webbed foot might have all its bones, or |
| 3464.265 | swim, should have been created with | webbed feet; that a thrush should have been |
1 | | | wedge | |
| 679.274 | by incessant blows, sometimes one | wedge being struck, and then another with |
1 | | | wedges | |
| 679.192 | surface, with ten thousand sharp | wedges packed close together and driven |
1 | | | weeds | |
| 681.1316 | marked all the seedlings of our native | weeds as they came up, and out of the 357 no |
1 | | | week-day | |
| 5259.113 | for every Sunday in the Year, and for | Week-day Festivals. Sixth Edition. 2 Vols. Post |
1 | | | weekly | |
| 5264.34 | Hymns written and adapted for the | weekly Church Service of the Year. Twelfth |
2 | | | weigh | |
| 311.233 | duck that the bones of the wing | weigh less and the bones of the leg more, in |
| 3558.636 | any two forms, we shall be led to | weigh more carefully and to value higher the |
1 | | | weighed | |
| 2898.1358 | of a little pond; this mud when dry | weighed only 6 3/4 ounces; I kept it covered up |
16 | | | weight | |
| 349.175 | then such facts would have great | weight in making us doubt about the |
| 395.41 | argument, as it seems to me, of great | weight, and applicable in several other cases |
| 463.345 | the cattle of England have increased in | weight and in early maturity, compared with |
| 574.784 | must be judged of by the general | weight of the several facts and views given |
| 982.1157 | greater number of plants and a greater | weight of dry herbage can thus be raised. The |
| 1139.249 | as these incline me to lay very little | weight on the direct action of the conditions |
| 1145.183 | in successive generations the size and | weight of its body, its legs were used more |
| 1189.1238 | similar purpose, and with much greater | weight; but until some one will sow, during a |
| 1446.358 | such difficulties have very little | weight.
Here, as on other occasions, I lie |
| 1596.402 | find even one which seems to me of any | weight. It is admitted that the rattlesnake |
| 2265.589 | pretend to assign due proportional | weight to the following considerations |
| 2379.1619 | had been pressed on by an enormous | weight of superincumbent water, might have |
| 2385.1069 | perfect, and who do not attach much | weight to the facts and arguments of other |
| 3424.12 | RECAPITULATION. CHAP. XIV.
doubt their | weight. But it deserves especial notice that |
| 3538.217 | disposition leads him to attach more | weight to unexplained difficulties than to the |
| 3546.258 | But some arguments of the greatest | weight extend very far. All the members of |
2 | | | weights | |
| 463.246 | the Goodwood Races, are favoured in the | weights they carry. Lord Spencer and others |
| 5916.161 | History, Chronology, Modern Coinages, | Weights, Measures, &c. Edited by EDWARD THOMAS |
3 | | | welch | |
| 1329.223 | trust, has examined for me a small dun | Welch pony with three short parallel stripes |
| 1337.162 | as the heavy Belgian cart-horse, | Welch ponies, cobs, the lanky Kattywar race |
| 1339.1271 | shoulder-stripes, like those on the dun | Welch pony, and even had some zebra-like |
9 | | | welfare | |
| 272.457 | for they determine the present | welfare, and, as I believe, the future success |
| 1090.607 | had occurred useful to each being's own | welfare, in the same way as so many variations |
| 1628.120 | part or organ is so unimportant for the | welfare of a species, that modifications in its |
| 1663.95 | as corporeal structure for the | welfare of each species, under its present |
| 2006.447 | is so entirely unimportant for its | welfare in a state of nature, I presume that no |
| 2020.940 | of grafting it is unimportant for their | welfare.
Causes of the Sterility of first |
| 3081.20 | CLASSIFICATION.
they may be for the | welfare of the being in relation to the outer |
| 3159.1085 | of the utmost importance to the | welfare of the being, are almost valueless to |
| 3263.1380 | of the horns of either parent. For the | welfare of a very young animal, as long as it |
2 | | | well-ascertained | |
| 1731.1188 | can be more extraordinary than these | well-ascertained facts? If we had not known of any other |
| 2773.280 | grounded as they are on the perfectly | well-ascertained occurrence of a former Glacial period |
1 | | | well-authenticated | |
| 1950.41 | I do not know of any thoroughly | well-authenticated cases of perfectly fertile hybrid |
1 | | | well-bred | |
| 399.612 | the domestic breeds, taking thoroughly | well-bred birds, all the above marks, even to the |
1 | | | well-constructed | |
| 3251.1249 | prehensile organs; they again obtain a | well-constructed mouth; but they have no antennæ, and |
5 | | | well-defined | |
| 383.182 | certainly, I think, be ranked by him as | well-defined species. Moreover, I do not believe |
| 596.52 | at species as only strongly-marked and | well-defined varieties, I was led to anticipate that |
| 1040.658 | to convert these three forms into | well-defined species: thus the diagram illustrates |
| 1426.55 | that species come to be tolerably | well-defined objects, and do not at any one period |
| 2651.1156 | over this vast space we meet with no | well-defined and distinct marine faunas. Although |
6 | | | well-developed | |
| 1566.478 | may perhaps be thus accounted for. A | well-developed tail having been formed in an aquatic |
| 1863.1298 | male and female ants of this genus have | well-developed ocelli.
I may give one other case: so |
| 3251.962 | at this stage is, to search by their | well-developed organs of sense, and to reach by their |
| 3315.900 | as mere rudiments, and sometimes in a | well-developed state. In plants with separated sexes |
| 3518.1152 | air dissolved in water, by the aid of | well-developed branchiæ.
Disuse, aided sometimes by |
| 3524.524 | jaw, from an early progenitor having | well-developed teeth; and we may believe, that the |
1 | | | well-enclosed | |
| 1536.409 | loose at the bottom of the sack, in the | well-enclosed shell; but they have large folded |
3 | | | well-established | |
| 976.943 | breeds would become converted into two | well-established and distinct breeds. As the differences |
| 1859.147 | I do not admit that such wonderful and | well-established facts at once annihilate my theory. In |
| 2424.187 | of pigeon, or even from the other | well-established races of the domestic pigeon, for the |
1 | | | well-filled | |
| 3574.162 | remains must not be looked at as a | well-filled museum, but as a poor collection made |
1 | | | well-flavoured | |
| 1847.230 | may thus gain the desired end. Thus, a | well-flavoured vegetable is cooked, and the individual |
5 | | | wellington | |
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| 5092.39 | Life and Character of the Duke of | Wellington; Fcap. 8vo. 6d.
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| 5774.0 | The following are published:]
| WELLINGTON. By LORD ELLESMERK. 6d.
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| WELLINGTON'S (THE DUKE OF) Despatches during his |
11 | | | well-known | |
| 399.1368 | We can understand these facts, on the | well-known principle of reversion to ancestral |
| 479.122 | explains, as I believe, the | well-known fact, that in a vast number of cases we |
| 544.276 | of naturalists, for few well-marked and | well-known varieties can be named which have not |
| 554.319 | here give only a single instance,—the | well-known one of the primrose and cowslip, or |
| 822.1087 | effect. I strongly suspect that some | well-known laws with respect to the plumage of |
| 1171.441 | related, we might expect from the | well-known relationship of most of their other |
| 1657.687 | could be pointed out. As in repeating a | well-known song, so in instincts, one action |
| 1877.1611 | case of neuter insects, against the | well-known doctrine of Lamarck.
Summary.—I have |
| 2209.41 | am tempted to give one other case, the | well-known one of the denudation of the Weald |
| 2339.187 | been produced. I may recall the | well-known fact that in geological treatises |
| 2558.345 | remote formations. Pictet gives as a | well-known instance, the general resemblance of |
24 | | | well-marked | |
| 544.260 | by a majority of naturalists, for few | well-marked and well-known varieties can be named |
| 568.255 | or, again, between sub-species and | well-marked varieties, or between lesser varieties |
| 574.649 | definite directions. Hence I believe a | well-marked variety may be justly called an |
| 584.685 | give rise to varieties sufficiently | well-marked to have been recorded in botanical |
| 588.150 | in individuals,—which oftenest produce | well-marked varieties, or, as I consider them |
| 604.200 | by which to distinguish species and | well-marked varieties; and in those cases in which |
| 635.572 | to hold, if the existence of any | well-marked varieties be admitted. But the mere |
| 635.672 | individual variability and of some few | well-marked varieties, though necessary as the |
| 970.792 | species throughout nature presenting | well-marked differences; whereas varieties, the |
| 970.882 | prototypes and parents of future | well-marked species, present slight and ill-defined |
| 1018.1336 | accumulated to have formed a fairly | well-marked variety, such as would be thought |
| 1020.264 | is supposed to have produced two fairly | well-marked varieties, namely a1 and m1. These two |
| 1040.424 | these three forms may still be only | well-marked varieties; or they may have arrived at |
| 1042.204 | ten thousand generations, either two | well-marked varieties (w10 and z10) or two species |
| 1131.183 | view that species of all kinds are only | well-marked and permanent varieties. Thus the |
| 1311.318 | other species being on my view only a | well-marked and permanent variety. But characters |
| 1418.527 | case of varieties intermediate between | well-marked varieties in the genus Balanus. And it |
| 1424.617 | on an average a greater number of | well-marked varieties than do the rarer species. I |
| 1795.637 | bees had worked less quickly. In one | well-marked instance, I put the comb back into the |
| 2849.904 | now exist in their new homes as | well-marked varieties or as distinct species.
It |
| 3478.544 | coloured flowers? If species are only | well-marked varieties, of which the characters have |
| 3490.19 | animals to suffer.
If species be only | well-marked and permanent varieties, we can at once |
| 3530.246 | or can be, drawn between species and | well-marked varieties. It cannot be maintained that |
| 3558.318 | only distinction between species and | well-marked varieties is, that the latter are known |
1 | | | well-pronounced | |
| 1002.814 | could successfully compete with these | well-pronounced orders. In the Australian mammals, we |
1 | | | well-sifted | |
| 616.523 | H. C. Watson has marked for me in the | well-sifted London Catalogue of plants (4th edition |
3 | | | well-stocked | |
| 1630.314 | to the owner. Natural selection in each | well-stocked country, must act chiefly through the |
| 2749.1665 | a great error to argue that because a | well-stocked island, like Great Britain, has not, as |
| 2753.278 | to an island, even if far less | well-stocked than Britain, scarcely more than one |
1 | | | well-suited | |
| 784.569 | by her; and the being is placed under | well-suited conditions of life. Man keeps the |
1 | | | well-worked | |
| 582.209 | tabulating all the varieties in several | well-worked floras. At first this seemed a simple |
15 | | | western | |
| 2213.653 | affect the estimate as applied to the | western extremity of the district. If, then, we |
| 2241.731 | why along the rising coast of the | western side of South America, no extensive |
| 2472.763 | palæozoic formations of Russia, | Western Europe and North America, a similar |
| 2643.95 | of land in Australia, South Africa, and | western South America, between latitudes 25º |
| 2651.158 | common, than those of the eastern and | western shores of South and Central America |
| 2651.1306 | three approximate faunas of Eastern and | Western America and the eastern Pacific islands |
| 2749.1095 | bring seeds from the West Indies to our | western shores, where, if not killed by so long |
| 2749.1316 | Ocean, from North America to the | western shores of Ireland and England; but |
| 2787.890 | there is almost continuous land from | western Europe, through Siberia, to eastern |
| 2801.451 | representative forms on the eastern and | western shores of temperate North America; and |
| 2809.94 | evidence of the cold period, from the | western shores of Britain to the Oural range |
| 2817.595 | was simultaneous on the eastern and | western sides of North America, in the |
| 2944.660 | formerly brought boulders to its | western shores, and they may
[page |
| 5116.68 | of a Cruise among the Islands of the | Western Pacific, including the Fejees, and |
| 5257.23 | Annually.) 8vo.
HAY'S (J. H. DRUMMOND) | Western Barbary, its wild Tribes and savage |
2 | | | westminster | |
| 5010.4 | to the Metropolis. Map. 16mo. 5s.
——— | Westminster Abbey. Its Art, Architecture, and |
| 5334.3 | of Wight.Maps. Post 8vo. 7s. 6d.
—— | WESTMINSTER ABBEYits Art, Architecture, and |
2 | | | westward | |
| 2651.295 | but impassable, isthmus of Panama. | Westward of the shores of America, a wide space |
| 2651.881 | other hand, proceeding still further | westward from the eastern islands of the |
4 | | | westwood | |
| 608.90 | has remarked in regard to plants, and | Westwood in regard to insects, that in large |
| 1287.578 | of beetles, but in the Engidæ, as | Westwood has remarked, the number varies greatly |
| 3081.1859 | of the Hymenoptera, the antennæ, as | Westwood has remarked, are most constant in |
| 4565.0 | West Indian islands, mammals of, 395.
| Westwood on species in large genera being |
8 | | | whale | |
| 1476.352 | open mouth, thus catching, like a | whale, insects in the water. Even in so |
| 1476.740 | creature was produced as monstrous as a | whale.
As we sometimes see individuals of a |
| 2339.847 | striking case, however, is that of the | Whale family; as these animals have huge |
| 2339.968 | the fact of not a single bone of a | whale having been discovered in
[page |
| 3075.645 | of a mouse to a shrew, of a dugong to a | whale, of a whale to a fish, as of any |
| 3075.657 | a shrew, of a dugong to a whale, of a | whale to a fish, as of any importance. These |
| 3159.376 | is a pachydermatous animal, and the | whale, and between both these mammals and |
| 3163.350 | between the several members of the | whale family; for these cetaceans agree in so |
7 | | | whales | |
| 1205.885 | their dermal coverings, viz. Cetacea ( | whales) and Edentata (armadilloes, scaly ant |
| 2343.313 | clear evidence of the existence of | whales in the upper greensand, some time |
| 3163.126 | fin-like limbs are only analogical when | whales are compared with fishes, being |
| 3309.567 | the presence of teeth in fœtal | whales, which when grown up have not a tooth |
| 3325.84 | such as teeth in the upper jaws of | whales and ruminants, can often be detected in |
| 4141.14 | land-shell, 289.
——, on fossil | whales, 303.
—, on strata beneath Silurian |
| 4567.47 | antennæ of hymenopterous insects, 416. | Whales, fossil, 303.
Wheat, varieties of |
24 | | | whatever | |
| 291.71 | of life the causes of variability, | whatever they may be, generally act; whether |
| 325.889 | at the inheritance of every character | whatever as the rule, and non-inheritance as the |
| 327.748 | I think may be trusted, is that, at | whatever period of life a peculiarity first |
| 435.820 | means of which he may summon into life | whatever form and mould he pleases." Lord |
| 449.254 | of leaves, pods, or tubers, or | whatever part is valued, in the kitchen-garden |
| 499.1372 | characteristic features of the breed, | whatever they may be. But the chance will be |
| 505.993 | are scanty, all the individuals, | whatever their quality may be, will generally be |
| 641.605 | any variation, however slight and from | whatever cause proceeding, if it be in any |
| 707.1266 | introduction of a single tree, nothing | whatever else having been done, with the |
| 912.851 | maintain itself in a body, so that | whatever intercrossing took place would be |
| 1285.141 | offspring to the less favoured males. | Whatever the cause may be of the variability of |
| 1287.1189 | any one of the species. Consequently, | whatever part of the structure of the common |
| 1365.0 | page] 170 LAWS OF VARIATION. CHAP. V.
| Whatever the cause may be of each slight |
| 1763.792 | of bees working in a dark hive. Grant | whatever instincts you please, and it seems at |
| 2006.907 | of cases we can assign no reason | whatever. Great diversity in the size of two |
| 2936.887 | de Candolle has shown, generally have, | whatever the cause may be, confined ranges |
| 2936.1414 | plants when growing on an island, to | whatever order they belonged, and thus convert |
| 2994.333 | if one species has any advantage | whatever over another, it will in a very brief |
| 3135.973 | and thickened stems are so similar. | Whatever part is found to be most constant, is |
| 3211.988 | on the existing general pattern, for | whatever purpose they served, we can at once |
| 3269.95 | evidence to render it probable, that at | whatever age any variation first appears in the |
| 3289.1039 | into hands, or paddles, or wings. | Whatever influence long-continued exercise or |
| 3343.135 | be checked by natural selection. At | whatever period of life disuse or selection |
| 3357.75 | displayed in the homologous organs, to | whatever purpose applied, of the different |
6 | | | wheat | |
| 289.121 | Our oldest cultivated plants, such as | wheat, still often yield new varieties: our |
| 701.596 | it is to get seed from a few | wheat or other such plants in a garden; I |
| 731.682 | for instance, if several varieties of | wheat be sown together, and the mixed seed be |
| 982.1295 | and then several mixed varieties of | wheat have been sown on equal spaces of |
| 2735.836 | of germination. Some seeds of the oat, | wheat, millet, canary, hemp, clover, and beet |
| 4568.0 | insects, 416. Whales, fossil, 303.
| Wheat, varieties of, 113. White Mountains |
2 | | | whelp | |
| 3239.1114 | can be plainly distinguished in the | whelp of the lion. We occasionally though |
| 3245.599 | will suppose that the stripes on the | whelp of a lion, or the spots on the young |
10 | | | whence | |
| 365.879 | breeds have originated in Europe; for | whence could they have been derived, as these |
| 711.152 | that I went to several points of view, | whence I could examine hundreds of acres of |
| 1749.310 | yards, to a very thick clump of heath, | whence I saw the last individual of F |
| 2239.154 | the geography of the surrounding lands, | whence the sediment has been derived, accords |
| 2279.805 | will often tend to sink the area | whence the sediment is derived, and thus |
| 2373.537 | last large islands or tracts of land, | whence the sediment was derived, occurred in |
| 2693.254 | be related to those of another region, | whence it has been stocked. A volcanic island |
| 3000.215 | to the inhabitants of that region | whence colonists could most readily have been |
| 3038.1044 | the nearest continent or other source | whence immigrants were probably derived. We |
| 3510.570 | the inhabitants of the nearest source | whence immigrants might have been derived. We |
8 | | | whenever | |
| 790.236 | good; silently and insensibly working, | whenever and wherever opportunity offers, at the |
| 1345.250 | the horse we see this tendency strong | whenever a dun tint appears-a tint which |
| 1353.214 | from the same part in the parents. But | whenever we have the means of instituting a |
| 1924.1319 | would be thus effected. Moreover, | whenever complicated experiments are in progress |
| 2466.564 | of nature will be utterly obscured. | Whenever we can precisely say why this species |
| 2494.947 | circumstanced in an equal degree, | whenever their inhabitants met, the battle would |
| 2707.1392 | of coral or atolls standing over them. | Whenever it is fully admitted, as I believe it |
| 3247.194 | come on earlier or later in life; but | whenever it comes on, the adaptation of the |
66 | | | where | |
| 311.569 | udders in cows and goats in countries | where they are habitually milked, in |
| 389.1243 | either still exist in the countries | where they were originally domesticated, and |
| 461.614 | be found in less civilised districts, | where the breed has been less improved. There |
| 596.401 | as a general rule, to be now forming. | Where many large trees grow, we expect to |
| 596.458 | trees grow, we expect to find saplings. | Where many species of a genus have been |
| 602.173 | of the same genus have been formed, or | where, if we may use the expression, the |
| 602.1173 | All that we want to show is, that | where many species of a genus have been |
| 681.1224 | long and two wide, dug and cleared, and | where there could be no choking from other |
| 693.478 | view: we forget that each species, even | where it most abounds, is constantly |
| 701.903 | extremely abundant in the few spots | where they do occur; and that of some social |
| 701.1114 | believe, that a plant could exist only | where the conditions of its life were so |
| 707.295 | on the estate of a relation | where I had ample means of investigation |
| 796.1184 | assuredly, in a state of nature, | where the trees would have to struggle with |
| 836.1276 | These varieties would cross and blend | where they met; but to this subject of |
| 960.159 | stocked, for at the Cape of Good Hope, | where more species of plants are crowded |
| 988.233 | if freely open to immigration, and | where the contest between individual and |
| 988.1159 | to live there; but, it is seen, that | where they come into the closest competition |
| 1357.1794 | the whole individual; for in a district | where many species of any genus are found |
| 1357.1845 | species of any genus are found-that is, | where there has been much former
[page |
| 1361.34 | variation and differentiation, or | where the manufactory of new specific forms |
| 1398.263 | masses can be accumulated only | where much sediment is deposited on the |
| 1400.603 | other. But if we compare these species | where they intermingle, they are generally as |
| 1412.1330 | species on the confines of its range, | where it exists in lessened numbers, will |
| 1478.742 | wing; and on the plains of La Plata, | where not a tree grows, there is a woodpecker |
| 1492.855 | that there should be woodpeckers | where not a tree grows; that there should be |
| 1580.176 | in the less civilized countries | where there has been but little artificial |
| 1657.1610 | forced to start from the third stage, | where it had left off, and thus tried to |
| 1703.695 | such as Tierra del Fuego and Australia, | where the savages do not keep these domestic |
| 1755.588 | few. The masters determine when and | where a new nest shall be formed, and when |
| 1795.501 | were slightly concave on one side, | where I suppose that the bees had excavated |
| 1795.590 | and convex on the opposed side, | where the bees had worked less quickly. In |
| 1918.310 | purposes it is most difficult to say | where perfect fertility ends and sterility |
| 1950.1019 | and as they are kept for profit, | where neither pure parent-species exists |
| 2026.903 | when born and living in a country | where their two parents can live, they are |
| 2227.199 | when left on the bottom of the sea, | where sediment is not accumulating. I believe |
| 2251.352 | during periods of subsidence, but only | where the supply of sediment was sufficient |
| 2313.468 | accumulate on the bed of the sea, or | where it did not accumulate at a sufficient |
| 2375.351 | nor continental islands existed | where our oceans now extend; for had they |
| 2379.238 | from these facts, we may infer that | where our oceans now extend, oceans have |
| 2379.370 | any record; and on the other hand, that | where continents now exist, large tracts of |
| 2379.1124 | epoch, continents may have existed | where oceans are now spread out; and clear |
| 2379.1200 | clear and open oceans may have existed | where our continents now stand. Nor should we |
| 2458.1163 | some distant and isolated station, | where they have escaped severe competition |
| 2468.342 | under the most different climates, | where not a fragment of the mineral chalk |
| 2604.127 | my whole theory. For he may ask in vain | where are the numberless transitional links |
| 2608.258 | of whole groups of species. He may ask | where are the remains of those infinitely |
| 2608.499 | by saying that as far as we can see, | where our oceans now extend they have for an |
| 2608.574 | for an enormous period extended, and | where our oscillating continents now stand |
| 2637.468 | for if we exclude the northern parts | where the circumpolar land is almost |
| 2645.367 | excepting in the northern parts, | where the land almost joins, and where, under |
| 2645.400 | parts, where the land almost joins, and | where, under a slightly different climate |
| 2675.145 | must have proceeded from one spot, | where their parents were first produced: for |
| 2677.365 | several distant and isolated points, | where now found. Nevertheless the simplicity |
| 2703.649 | now blend or may formerly have blended: | where the sea now extends, land may at a |
| 2749.1111 | the West Indies to our western shores, | where, if not killed by so long an immersion |
| 2755.159 | other by hundreds of miles of lowlands, | where the Alpine species could not possibly |
| 2811.173 | º, and on the shores of the Pacific, | where the climate is now so different, as far |
| 2869.756 | though rising higher on the shores | where the tide rises highest, so have the |
| 2892.1061 | in a natural pond, in an aquarium, | where many ova of fresh-water shells were |
| 3016.23 | CHAP. XII.
quarters of the world, | where they may have become slightly modified |
| 3095.440 | and yet leave us in no doubt | where it should be ranked. Hence, also, it |
| 3145.642 | The whole case is preposterous; for | where there has been close descent in common |
| 3416.520 | degradation, can be accumulated only | where much sediment is deposited on the |
| 3454.0 | page] 470 RECAPITULATION. CHAP. XIV.
| where many species of a genus have been |
| 3454.54 | of a genus have been produced, and | where they now flourish, these same species |
| 3454.133 | should present many varieties; for | where the manufactory of species has been |
32 | | | whereas | |
| 295.301 | of the plantigrades or bear family; | whereas, carnivorous birds, with the rarest |
| 548.824 | forms, Mr. Babington gives 251 species, | whereas Mr. Bentham gives only 112,—a |
| 552.324 | marked race of a Norwegian species, | whereas the greater number rank it as an |
| 616.937 | and these range over 7.7 provinces; | whereas, the species to which these varieties |
| 622.848 | as varieties, and have thus originated: | whereas, these analogies are utterly |
| 796.932 | a certain disease than yellow plums; | whereas another disease attacks yellow-fleshed |
| 970.817 | presenting well-marked differences; | whereas varieties, the supposed prototypes and |
| 1155.740 | had been able to swim still further, | whereas it would have been better for the bad |
| 1165.40 | to have increased the size of the eyes; | whereas with all the other inhabitants of the |
| 1183.1171 | capable of enduring a glacial climate, | whereas the living species are now all tropical |
| 1237.281 | flowers) the number is variable; | whereas the number of the same part or organ |
| 1388.103 | and producing sterile offspring, | whereas, when varieties are crossed, their |
| 1747.984 | instantly seized the pupæ of F. fusca, | whereas they were much terrified when they came |
| 1863.196 | small can be plainly distinguished, | whereas the smaller workers have their ocelli |
| 1936.28 | STERILITY.
few days perished entirely, | whereas the pod impregnated by the pollen of |
| 2012.437 | cannot be grafted on the currant, | whereas the currant will take, though with |
| 2022.312 | and female sexual elements are perfect, | whereas in hybrids they are imperfect. Even in |
| 2100.80 | are widely different from each other; | whereas if two very distinct varieties of one |
| 2227.1457 | and has been found fossil in Sicily, | whereas not one other species has hitherto been |
| 2408.463 | from the living species of this genus; | whereas most of the other Silurian Molluscs and |
| 2412.1229 | allies on the continent of Europe, | whereas the marine shells and birds have |
| 2681.317 | mammals have not been able to migrate, | whereas some plants, from their varied means of |
| 2855.152 | to a certain extent beaten the natives; | whereas extremely few southern forms have |
| 2928.1078 | number of peculiar land-shells, | whereas not one species of sea-shell is |
| 2972.1727 | ordinary view of independent creation; | whereas on the view here maintained, it is |
| 2984.1349 | the most important for its inhabitants; | whereas it cannot, I think, be disputed that |
| 3075.1605 | excepting in the first main divisions; | whereas the organs of reproduction, with their |
| 3135.1221 | the shape or colour of the body, &c.; | whereas with sheep the horns are much less |
| 3289.1373 | at a corresponding mature age. | Whereas the young will remain unmodified, or be |
| 3392.148 | are more or less functionally impotent; | whereas in first crosses the organs on both |
| 3524.754 | selection to browse without their aid; | whereas in the calf, the teeth have been left |
| 3558.447 | present day by intermediate gradations, | whereas species were formerly thus connected |
13 | | | wherever | |
| 596.231 | the species of the smaller genera; for | wherever many closely related species (i.e |
| 602.112 | marked and permanent varieties; for | wherever many species of the same genus have |
| 602.555 | clearly show as a general rule that, | wherever many species of a genus have been |
| 790.249 | and insensibly working, whenever and | wherever opportunity offers, at the improvement |
| 1620.252 | each organic being is trying to live | wherever it can live, how it has arisen that |
| 1787.490 | most interesting to me to observe that | wherever several bees had begun to excavate |
| 2313.405 | would not endure to a distant epoch. | Wherever sediment did not accumulate on the bed |
| 2498.38 | forms dominant in the highest degree, | wherever produced, would tend everywhere to |
| 3004.458 | be universally found to be true, that | wherever in two regions, let them be ever so |
| 3004.769 | migration between the two regions. And | wherever many closely-allied species occur |
| 3024.592 | the individuals of the same species, | wherever located, have descended from the same |
| 3510.217 | and we almost invariably find that | wherever many closely allied species inhabit two |
| 3510.324 | species common to both still exist. | Wherever many closely allied yet distinct |
105 | | | whether | |
| 291.108 | whatever they may be, generally act; | whether during the early or late period of |
| 291.1521 | period of growth, will determine | whether or not the plant sets a seed. I cannot |
| 325.90 | in the father and child, we cannot tell | whether it may not be due to the same original |
| 333.718 | stock was, and so could not tell | whether or not nearly perfect reversion had |
| 337.547 | revert to the wild aboriginal stock. | Whether or not the experiment would succeed, is |
| 345.160 | involved in doubt, from not knowing | whether they have descended from one or several |
| 351.359 | know, when he first tamed an animal, | whether it would vary in succeeding generations |
| 351.412 | vary in succeeding generations, and | whether it would endure other climates? Has the |
| 353.136 | to come to any definite conclusion, | whether they have descended from one or several |
| 423.62 | a celebrated raiser of Hereford cattle, | whether his cattle might not have descended |
| 473.112 | preservation of the best individuals, | whether or not sufficiently distinct to be |
| 477.53 | appearance as distinct varieties, and | whether or not two or more species or races |
| 515.1753 | the accumulative action of Selection, | whether applied methodically and more quickly |
| 526.126 | of nature, we must briefly discuss | whether these latter are subject to any |
| 532.832 | parts which must be called important, | whether viewed under a physiological or |
| 542.887 | enumerate, sometimes occur in deciding | whether or not to rank one form as a variety of |
| 544.22 | is opened.
Hence, in determining | whether a form should be ranked as a species or |
| 552.956 | good and true species. But to discuss | whether they are rightly called species or |
| 558.257 | links, and it is very doubtful | whether these links are hybrids; and there is |
| 574.716 | justly called an incipient species; but | whether this belief be justifiable must be |
| 604.428 | between them, judging by analogy | whether or not the amount suffices to raise one |
| 604.583 | very important criterion in settling | whether two forms
[page] 57 CHAP. II. RESEMBLE |
| 635.358 | been disputed. It is immaterial for us | whether a multitude of doubtful forms be called |
| 689.630 | struggle between the individuals, | whether of the same or of distinct species |
| 735.371 | medicinal leech. It may even be doubted | whether the varieties of any one of our |
| 796.1325 | would effectually settle which variety, | whether a smooth or downy, a yellow or purple |
| 928.547 | deceive ourselves, for to ascertain | whether a small isolated area, or a large open |
| 1002.557 | It may be doubted, for instance, | whether the Australian marsupials, which are |
| 1092.0 | in their struggles with other males.
| Whether natural selection has really thus acted |
| 1155.456 | or to reduce the wings, would depend on | whether a greater number of individuals were |
| 1177.57 | from our frequent inability to predict | whether or not an imported plant will endure |
| 1177.422 | adaptation to particular climates. But | whether or not the adaptation be generally very |
| 1249.159 | great variability of these characters, | whether or not displayed in any unusual manner |
| 1305.758 | progenitor possessed, the tendency, | whether strong or weak, to reproduce the lost |
| 1315.126 | turn-crowned, we could not have told, | whether these characters in our domestic breeds |
| 1343.21 | CHAP. V.
to ask Colonel Poole | whether such face-stripes ever occur in the |
| 1349.221 | common parent of our domestic horse, | whether or not it be descended from one or more |
| 1472.370 | to tell, and immaterial for us, | whether habits generally change first and |
| 1472.437 | first and structure afterwards; or | whether slight modifications of structure lead |
| 1697.734 | head over heels. It may be doubted | whether any one would have thought of training |
| 1747.672 | courage. Now I was curious to ascertain | whether F. sanguinea could distinguish the pupæ |
| 1767.304 | great principle of gradation, and see | whether Nature does not reveal to us her method |
| 1914.1741 | that we may well be permitted to doubt | whether many other species are really so |
| 1918.748 | by our best botanists on the question | whether certain doubtful forms should be ranked |
| 1944.425 | are, I think, more sterile. I doubt | whether any case of a perfectly fertile hybrid |
| 1956.730 | and analogy makes me greatly doubt, | whether the several aboriginal species would at |
| 1964.113 | Our chief object will be to see | whether or not the rules indicate that species |
| 2032.884 | No one can tell, till he tries, | whether any particular animal will breed under |
| 2032.1015 | nor can he tell, till he tries, | whether any two species of a genus will produce |
| 2110.1166 | the child to its parents are the same, | whether the two parents differ much or little |
| 2153.83 | structure with that of the rock-pigeon, | whether they had descended from this species or |
| 2213.1283 | nearly every twenty-two years. I doubt | whether any rock, even as soft as chalk, would |
| 2273.1012 | glacial period. Yet it may be doubted | whether in any quarter of the world |
| 2305.10 | CHAP. IX. GEOLOGICAL RECORD.
ourselves | whether, for instance, geologists at some |
| 2305.231 | several aboriginal stocks; or, again, | whether certain sea-shells inhabiting the |
| 2317.18 | be least perfect.
It may be doubted | whether the duration of any one great period of |
| 2373.756 | between the successive formations; | whether Europe and the United States during |
| 2400.15 | and present chapters.
LET us now see | whether the several facts and rules relating to |
| 2412.321 | independent of that of all others. | Whether such variability be taken advantage of |
| 2412.394 | advantage of by natural selection, and | whether the variations be accumulated to a |
| 2444.1005 | were which checked its increase, | whether some one or several contingencies, and |
| 2458.859 | inherited inferiority in common. But | whether it be species belonging to the same or |
| 2474.130 | we have not sufficient data to judge | whether the productions of the land and of |
| 2474.252 | the same parallel manner. We may doubt | whether they have thus changed: if the |
| 2480.610 | naturalist would hardly be able to say | whether the existing or the pleistocene |
| 2566.77 | Forms.—There has been much discussion | whether recent forms are more highly developed |
| 2570.1541 | Zealand were set free in Great Britain, | whether any considerable number would be |
| 2596.29 | AREAS.
It may be asked in ridicule, | whether I suppose that the megatherium and |
| 2677.93 | discussed by naturalists, namely, | whether species have been created at one or |
| 2683.654 | So that we are reduced to consider | whether the exceptions to
[page |
| 2689.119 | point equally important for us, namely, | whether the several distinct species of a genus |
| 2695.122 | bear on another allied question,—namely | whether all the individuals of the same species |
| 2695.233 | pair, or single hermaphrodite, or | whether, as some authors suppose, from many |
| 2717.177 | floated across wide spaces of the sea, | whether or not they were injured by the salt |
| 2743.816 | C. Lyell wrote to M. Hartung to inquire | whether he had observed erratic boulders on |
| 2910.1245 | water plants and of the lower animals, | whether retaining the same identical form or in |
| 2962.133 | inhabitants of the more remote islands, | whether still retaining the same specific form |
| 2972.1843 | would be likely to receive colonists, | whether by occasional means of transport or |
| 3032.481 | the high importance of barriers, | whether of land or water, which separate our |
| 3044.1338 | time and space are intelligible; for | whether we look to the forms of life which have |
| 3069.870 | the Creator; but unless it be specified | whether order in time or space, or what else is |
| 3089.241 | of whole groups. For instance, | whether or not there is an open passage from |
| 3135.1491 | some authors. For we might feel sure, | whether there had been more or less |
| 3151.144 | in which an insect's wing is folded, | whether the skin be covered by hair or feathers |
| 3191.1604 | most of the characters of each group, | whether large or small, and thus give a general |
| 3195.194 | high importance of looking to types, | whether or not we can separate and define the |
| 3239.468 | vertebrate animal, he cannot now tell | whether it be that of a mammal, bird, or |
| 3255.921 | a metamorphosis." The larvæ of insects, | whether adapted to the most diverse and active |
| 3263.527 | our own children; we cannot always tell | whether the child will be tall or short, or |
| 3263.1559 | parent, it must be quite unimportant | whether most of its characters are fully
[page |
| 3267.142 | its food best by having a long beak, | whether or not it assumed a beak of this |
| 3283.247 | nearly grown up: they are indifferent | whether the desired qualities and structures |
| 3337.491 | various parts in monsters. But I doubt | whether any of these cases throw light on the |
| 3337.656 | rudiments can be produced; for I doubt | whether species under nature ever undergo |
| 3351.449 | characters, if constant and prevalent, | whether of high vital importance, or of the |
| 3357.0 | page] 457 CHAP. XIII. SUMMARY.
| whether we look to the same pattern displayed |
| 3412.1077 | be able to decide, on the common view, | whether or not these doubtful forms are |
| 3432.928 | is shown by the inextricable doubts | whether very many of them are varieties or |
| 3554.329 | haunted by the shadowy doubt | whether this or that form be in essence a |
| 3554.475 | no slight relief. The endless disputes | whether or not some fifty species of British |
| 3554.625 | to decide (not that this will be easy) | whether any form be sufficiently constant and |
| 3554.745 | of definition; and if definable, | whether the differences be sufficiently |
| 4078.9 | favourable to selection, 102.
—, many, | whether simultaneously created |
| 5046.62 | Expeditious, Certain, and Easy Method, | whether great excellence or only mediocrity be |
| 5512.87 | expeditious, certain, and easy Method, | whether great Excellence or only Mediocrity be |
2 | | | whewell | |
| 45.3 | the establishment of general laws."
W. | WHEWELL: Bridgewater Treatise.
"To conclude |
| 5542.131 | With a Prefatory Notice. By Rev. W. | WHEWELL, D,D. Portrait. 8vo. 14s.
KEN'S |
1235 | | | which | |
| 234.554 | and reflecting on all sorts of facts | which could possibly have any bearing on it |
| 234.757 | into a sketch of the conclusions, | which then seemed to me probable: from that |
| 242.15 | from my manuscripts.
This Abstract, | which I now publish, must necessarily be |
| 242.377 | give only the general conclusions at | which I have arrived, with a few facts in |
| 242.437 | with a few facts in illustration, but | which, I hope, in most cases will suffice. No |
| 242.606 | all the facts, with references, on | which my conclusions have been grounded; and |
| 242.767 | point is discussed in this volume on | which facts cannot be adduced, often |
| 242.868 | directly opposite to those at | which I have arrived. A fair result can be |
| 244.110 | acknowledging the generous assistance | which I have received from very many |
| 250.623 | of structure and coadaptation | which most justly excites our admiration |
| 250.1105 | of trees. In the case of the misseltoe, | which draws its nourishment from certain |
| 250.1153 | its nourishment from certain trees, | which has seeds that must be transported by |
| 250.1216 | be transported by certain birds, and | which has flowers with separate sexes |
| 260.757 | organic beings throughout the world, | which inevitably follows from their high |
| 272.222 | the mutual relations of all the beings | which live around us. Who can explain why one |
| 272.850 | study and dispassionate judgment of | which I am capable, that the view which most |
| 272.884 | of which I am capable, that the view | which most naturalists entertain, and which I |
| 272.922 | which most naturalists entertain, and | which I formerly entertained—namely, that |
| 285.135 | and animals, one of the first points | which strikes us, is, that they generally |
| 285.351 | diversity of the plants and animals | which have been cultivated, and which have |
| 285.383 | animals which have been cultivated, and | which have varied during all ages under the |
| 285.673 | and somewhat different from, those to | which the parent-species have been exposed |
| 291.687 | the chief one is the remarkable effect | which confinement or cultivation has on the |
| 291.1121 | unite. How many animals there are | which will not breed, though living long |
| 291.1602 | here enter on the copious details | which I have collected on
[page] 9 CHAP. I |
| 295.60 | but to show how singular the laws are | which determine the reproduction of animals |
| 295.772 | tamed, long-lived, and healthy (of | which I could give numerous instances), yet |
| 297.110 | we owe variability to the same cause | which produces sterility; and variability is |
| 299.108 | gardeners mean a single bud or offset, | which suddenly assumes a new and sometimes |
| 311.752 | a single domestic animal can be named | which has not in some country drooping ears |
| 313.54 | laws regulating variation, some few of | which can be dimly seen, and will be |
| 317.97 | peculiarities go together, of | which many remarkable cases could be given |
| 319.363 | points in structure and constitution in | which the varieties and sub-varieties differ |
| 321.14 | of the parental type.
Any variation | which is not inherited is unimportant for us |
| 327.706 | alone. A much more important rule, | which I think may be trusted, is that, at |
| 331.495 | in the offspring at the same period at | which it first appeared in the parent. I |
| 331.735 | and not to its primary cause, | which may have acted on the ovules or male |
| 337.358 | of the cabbage, in very poor soil (in | which case, however, some effect would have |
| 343.70 | have a somewhat monstrous character; by | which I mean, that, although differing from |
| 343.364 | with all the species in nature to | which they are nearest allied. With these |
| 343.833 | either amongst animals or plants, | which have not been ranked by some competent |
| 343.1464 | on the view of the origin of genera | which I shall presently give, we have no |
| 349.51 | terrier, spaniel, and bull-dog, | which we all know propagate their kind so |
| 359.653 | With respect to horses, from reasons | which I cannot give here, I am doubtfully |
| 363.76 | to ducks and rabbits, the breeds of | which differ considerably from each other in |
| 365.173 | authors. They believe that every race | which breeds true, let the distinctive |
| 365.1091 | the domestic dogs of the whole world, | which I fully admit have probably descended |
| 369.420 | selection of those individual mongrels, | which present any desired character; but that |
| 371.179 | pigeons. I have kept every breed | which I could purchase or obtain, and have |
| 375.1124 | and its enormously developed crop, | which it glories in inflating, may well |
| 381.1124 | the toes, are all points of structure | which are variable. The period at which the |
| 381.1158 | which are variable. The period at | which the perfect plumage is acquired varies |
| 381.1239 | as does the state of the down with | which the nestling birds are clothed when |
| 383.56 | a score of pigeons might be chosen, | which if shown to an ornithologist, and he |
| 389.271 | geographical races or sub-species, | which differ from each other in the most |
| 389.357 | respects. As several of the reasons | which have led me to this belief are in some |
| 389.1578 | and the common rock-pigeon, | which has the same habits with the domestic |
| 393.480 | or feral, though the dovecot-pigeon, | which is the rock-pigeon in a very slightly |
| 399.823 | distinct breeds are crossed, neither of | which is blue or has any of the above |
| 403.327 | number of generations. In a breed | which has been crossed only once with some |
| 403.686 | both parents to revert to a character, | which has been lost during some former |
| 413.579 | of structure. Thirdly, those characters | which are mainly distinctive of each breed |
| 417.473 | His Majesty by crossing the breeds, | which method was never practised before, has |
| 417.728 | the immense amount of variation | which pigeons have undergone, will be obvious |
| 419.685 | convinced that the several breeds to | which each has attended, are descended from |
| 425.52 | us now briefly consider the steps by | which domestic races have been produced |
| 429.267 | the fuller's teazle, with its hooks, | which cannot be rivalled by any mechanical |
| 429.1001 | quarrelsome, with "everlasting layers" | which never desire to sit, and with the |
| 435.291 | as something quite plastic, | which they can model almost as they please |
| 435.642 | of the principle of selection as "that | which enables the agriculturist, not only to |
| 435.790 | It is the magician's wand, by means of | which he may summon into life whatever form |
| 441.579 | by an uneducated eye—differences | which I for one have vainly attempted to |
| 443.267 | that this is not so in some cases, in | which exact records have been kept; thus, to |
| 449.835 | It is not that the varieties | which differ largely in some one point do not |
| 449.1011 | of growth, the importance of | which should never be overlooked, will ensure |
| 457.223 | for our purpose, a kind of Selection, | which may be called Unconscious, and which |
| 457.260 | which may be called Unconscious, and | which results from every one trying to |
| 461.452 | in question had been made long ago, | which might serve for comparison. In some |
| 467.128 | think, clearly trace the stages through | which they have insensibly passed, and come |
| 469.80 | the effects of a course of selection, | which may be considered as unconsciously |
| 469.233 | have wished to have produced the result | which ensued—namely, the production of two |
| 471.266 | during famines and other accidents, to | which savages are so liable, and such choice |
| 477.198 | in the increased size and beauty | which we now see in the varieties of the |
| 479.255 | the wild parent-stocks of the plants | which have been longest cultivated in our |
| 487.49 | here given of the all-important part | which selection by man has played, it becomes |
| 491.0 | page] 39 CHAP. I. SELECTION BY MAN.
| which are first given to him in some slight |
| 491.881 | of other and distinct breeds, in | which as many as seventeen tail-feathers have |
| 491.1074 | upper part of its œsophagus,—a habit | which is disregarded by all fanciers, as it |
| 493.258 | s own possession. Nor must the value | which would formerly be set on any slight |
| 493.378 | same species, be judged of by the value | which would now be set on them, after several |
| 493.539 | indeed do now, arise amongst pigeons, | which are rejected as faults or deviations |
| 493.732 | the Thoulouse and the common breed, | which differ only in colour, that
[page |
| 509.81 | admirable varieties of the strawberry | which have been raised during the last thirty |
| 511.164 | of new races,—at least, in a country | which is already stocked with other races. In |
| 515.1229 | regard to animals and to those plants | which are propagated by seed. In plants which |
| 515.1269 | which are propagated by seed. In plants | which are temporarily propagated by cuttings |
| 526.358 | I here discuss the various definitions | which have been given of the term species. No |
| 532.39 | Again, we have many slight differences | which may be called individual differences |
| 532.165 | the offspring from the same parents, or | which may be presumed to have thus arisen |
| 532.800 | a long catalogue of facts, that parts | which must be called important, whether |
| 532.1109 | even in important parts of structure, | which he could collect on good authority, as |
| 536.114 | in these main nerves in Coccus, | which may almost be compared to the irregular |
| 536.545 | naturalists have honestly confessed) | which does not vary; and, under this point of |
| 538.58 | connected with individual differences, | which seems to me extremely perplexing: I |
| 538.122 | perplexing: I refer to those genera | which have sometimes been called "protean" or |
| 538.186 | called "protean" or "polymorphic," in | which the species present an inordinate |
| 538.284 | and hardly two naturalists can agree | which forms to rank as species and which as |
| 538.319 | which forms to rank as species and | which as varieties. We may instance Rubus |
| 538.556 | fixed and definite characters. Genera | which are polymorphic in one country seem to |
| 538.969 | variations in points of structure | which are of no service or disservice to the |
| 538.1027 | or disservice to the species, and | which consequently have not been seized on |
| 542.12 | II. DOUBTFUL SPECIES.
Those forms | which possess in some considerable degree the |
| 542.84 | degree the character of species, but | which are so closely similar to some other |
| 542.826 | variety. But cases of great difficulty, | which I will not here enumerate, sometimes |
| 544.310 | and well-known varieties can be named | which have not been ranked as species by at |
| 548.441 | has marked for me 182 British plants, | which are generally considered as varieties |
| 548.490 | generally considered as varieties, but | which have all been ranked by botanists as |
| 548.610 | omitted many trifling varieties, but | which nevertheless have been ranked by some |
| 548.912 | of 139 doubtful forms! Amongst animals | which unite for each birth, and which are |
| 548.944 | animals which unite for each birth, and | which are highly locomotive, doubtful forms |
| 548.1200 | insects in North America and Europe, | which differ very slightly from each other |
| 548.1748 | Madeira group there are many insects | which are characterized as varieties in Mr |
| 548.1824 | in Mr. Wollaston's admirable work, but | which it cannot
[page] 49 CHAP. II. DOUBTFUL |
| 552.143 | generally regarded as varieties, but | which have been ranked as species by some |
| 560.644 | more than a dozen species out of forms, | which are very generally considered as |
| 562.258 | of the amount and kind of variation to | which the group is subject; and this shows |
| 566.179 | the amount of difference in the forms | which he is continually studying; and he has |
| 566.316 | other groups and in other countries, by | which to correct his first impressions. As he |
| 566.617 | be enabled to make up his own mind | which to call varieties and which species |
| 566.645 | own mind which to call varieties and | which species; but he will succeed in this at |
| 566.902 | from countries not now continuous, in | which case he can hardly hope to find the |
| 568.112 | and sub-species—that is, the forms | which in the opinion of some naturalists come |
| 570.260 | history. And I look at varieties | which are in any degree more distinct and |
| 574.399 | passage of a variety, from a state in | which it differs very slightly from its |
| 574.456 | very slightly from its parent to one in | which it differs more, to the action of |
| 578.239 | differ from the term variety, | which is given to less distinct and more |
| 582.149 | the nature and relations of the species | which vary most, by tabulating all the |
| 584.52 | and others have shown that plants | which have very wide ranges generally present |
| 584.234 | and as they come into competition ( | which, as we shall hereafter see, is a far |
| 584.414 | in any limited country, the species | which are most common, that is abound most in |
| 584.489 | most in individuals, and the species | which are most widely diffused within their |
| 588.6 | SPECIES VARY MOST. CHAP. II.
those | which range widely over the world, are the |
| 588.127 | are the most numerous in individuals,— | which oftenest produce well-marked varieties |
| 588.411 | inhabitants of the country, the species | which are already dominant will be the most |
| 588.481 | be the most likely to yield offspring | which, though in some slight degree modified |
| 590.1153 | relation to the size of the genera to | which the species belong. Again, plants low |
| 598.479 | the species of the large genera | which present any varieties, invariably |
| 604.91 | genera and their recorded varieties | which deserve notice. We have seen that there |
| 604.167 | there is no infallible criterion by | which to distinguish species and well-marked |
| 604.245 | marked varieties; and in those cases in | which intermediate links have not been found |
| 608.680 | be said, that in the larger genera, in | which a number of varieties or incipient |
| 616.25 | species.
There is one other point | which seems to me worth notice. Varieties |
| 616.350 | reason to believe, that those species | which are very closely allied to other |
| 616.586 | of plants (4th edition) 63 plants | which are therein ranked as species, but |
| 616.627 | are therein ranked as species, but | which he considers as so closely allied to |
| 616.788 | average over 6.9 of the provinces into | which Mr. Watson has divided Great Britain |
| 616.961 | provinces; whereas, the species to | which these varieties belong range over |
| 616.1198 | by Mr. Watson as doubtful species, but | which are almost universally ranked by |
| 618.264 | the actual characters of the forms | which they connect; and except, secondly, by |
| 624.94 | dominant species of the larger genera | which on an average vary most; and varieties |
| 624.309 | and throughout nature the forms of life | which are now dominant tend to become still |
| 635.1139 | less plainly in the humblest parasite | which clings
[page] 61 CHAP. III. STRUGGLE |
| 639.82 | a bird; in the structure of the beetle | which dives through the water; in the plumed |
| 639.132 | through the water; in the plumed seed | which is wafted by the gentlest breeze; in |
| 641.50 | may be asked, how is it that varieties, | which I have called incipient species, become |
| 641.149 | into good and distinct species, | which in most cases obviously differ from |
| 641.286 | How do those groups of species, | which constitute what are called distinct |
| 641.340 | what are called distinct genera, and | which differ from each other more than do the |
| 641.993 | of the many individuals of any species | which are periodically born, but a small |
| 641.1087 | I have called this principle, by | which each slight variation, if useful, is |
| 645.1010 | not see, or we forget, that the birds | which are idly singing round us mostly live |
| 647.156 | of one being on another, and including ( | which is more important) not only the life of |
| 647.336 | truly said to struggle with each other | which shall get food and live. But a plant on |
| 651.8 | III. STRUGGLE FOR EXISTENCE.
A plant | which annually produces a thousand seeds, of |
| 651.53 | annually produces a thousand seeds, of | which on an average only one comes to |
| 651.180 | the plants of the same and other kinds | which already clothe the ground. The |
| 651.841 | other plants. In these several senses, | which pass into each other, I use for |
| 653.66 | follows from the high rate at | which all organic beings tend to increase |
| 653.122 | beings tend to increase. Every being, | which during its natural lifetime produces |
| 661.356 | from our domestic animals of many kinds | which have run wild in several parts of the |
| 661.665 | could be given of introduced plants | which have become common throughout whole |
| 665.201 | from Europe; and there are plants | which now range in India, as I hear from Dr |
| 665.291 | from Cape Comorin to the Himalaya, | which have been imported from America since |
| 665.812 | ratio of increase, the result of | which never fails to be surprising, simply |
| 667.94 | and amongst animals there are very few | which do not annually pair. Hence we may |
| 667.282 | most rapidly stock every station in | which they could any how exist, and that the |
| 669.38 | The only difference between organisms | which annually produce eggs or seeds by the |
| 669.102 | or seeds by the thousand, and those | which produce extremely few, is, that the |
| 673.544 | is of some importance to those species, | which depend on a rapidly fluctuating amount |
| 673.1120 | to keep up the full number of a tree, | which lived on an average for a thousand |
| 681.929 | of seeds, but, from some observations | which I have made, I believe that it is the |
| 681.983 | I believe that it is the seedlings | which suffer most from germinating in ground |
| 681.1429 | chiefly by slugs and insects. If turf | which has long been mown, and the case would |
| 687.73 | of course gives the extreme limit to | which each can increase; but very frequently |
| 687.190 | the serving as prey to other animals, | which determines the average numbers of a |
| 689.674 | of the same or of distinct species, | which subsist on the same kind of food. Even |
| 693.61 | it will be the least vigorous, or those | which have got least food through the |
| 693.117 | food through the advancing winter, | which will suffer most. When we travel from |
| 695.139 | number of plants in our gardens | which can perfectly well endure our climate |
| 695.188 | perfectly well endure our climate, but | which never become naturalised, for they |
| 699.347 | appear to be due to parasitic worms, | which have from some cause, possibly in part |
| 701.319 | compared with the number of birds | which feed on them; nor can the birds, though |
| 707.113 | and relations between organic beings, | which have to struggle together in the same |
| 707.202 | I will give only a single instance, | which, though a simple one, has interested me |
| 707.383 | was a large and extremely barren heath, | which had never been touched by the hand of |
| 707.902 | carices) flourished in the plantations, | which could not be found on the heath. The |
| 707.1062 | were very common in the plantations, | which were not to be seen on the heath; and |
| 711.406 | of seedlings and little trees, | which had been perpetually browsed down by |
| 713.443 | number in Paraguay of a certain fly, | which lays its eggs in the navels of these |
| 719.664 | not visit this flower. From experiments | which I have tried, I have found that the |
| 723.205 | degree on the number of field-mice, | which destroy their combs and nests; and Mr |
| 723.603 | bees more numerous than elsewhere, | which I attribute to the number of cats that |
| 729.331 | and seedlings, or on the other plants | which first clothed the ground and thus |
| 729.601 | of the innumerable plants and animals | which have determined, in the course of |
| 731.173 | This is often the case with those | which may strictly be said to struggle with |
| 731.758 | seed be resown, some of the varieties | which best suit the soil or climate, or are |
| 737.915 | be most severe between allied forms, | which fill nearly the same place in the |
| 741.232 | that of all other organic beings, with | which it comes into competition for food or |
| 741.295 | for food or residence, or from | which it has to escape, or on which it preys |
| 741.325 | or from which it has to escape, or on | which it preys. This is obvious in the |
| 741.462 | of the legs and claws of the parasite | which clings to the hair on the tiger's body |
| 747.260 | its competitors, or over the animals | which preyed on it. On the confines of its |
| 766.140 | Can the principle of selection, | which we have seen is so potent in the hands |
| 772.361 | of the intimate and complex manner in | which the inhabitants of each country are |
| 772.942 | partly surrounded by barriers, into | which new and better adapted forms could not |
| 772.1053 | have places in the economy of nature | which would assuredly be better filled up, if |
| 776.88 | such case, every slight modification, | which in the course of ages chanced to arise |
| 776.138 | course of ages chanced to arise, and | which in any way favoured the individuals of |
| 778.1361 | advantage. No country can be named in | which all the native inhabitants are now so |
| 778.1474 | and to the physical conditions under | which they live, that none of
[page] 83 CHAP |
| 784.470 | good; Nature only for that of the being | which she tends. Every selected character is |
| 790.146 | even the slightest; rejecting that | which is bad, preserving and adding up all |
| 792.111 | being, yet characters and structures, | which we are apt to consider as of very |
| 796.1310 | differences would effectually settle | which variety, whether a smooth or downy, a |
| 798.63 | points of difference between species, | which, as far as our ignorance permits us to |
| 798.347 | unknown laws of correlation of growth, | which, when one part of the organisation is |
| 804.32 | As we see that those variations | which under domestication appear at any |
| 804.1051 | wholly different from those | which concern the mature insect. These |
| 804.1229 | probably in the case of those insects | which live only for a few hours, and which |
| 804.1266 | which live only for a few hours, and | which never feed, a large part of their |
| 810.476 | natural history, I cannot find one case | which will bear investigation. A structure |
| 810.1237 | of the young birds within the egg, | which had the most powerful and hardest beaks |
| 816.391 | the most vigorous males, those | which are best fitted for their places in |
| 822.286 | strange antics before the females, | which standing by as spectators, at last |
| 828.385 | in the cocks of certain fowls, &c.), | which we cannot believe to be either useful |
| 828.585 | hair on the breast of the turkey-cock, | which can hardly be either useful or |
| 830.217 | Let us take the case of a wolf, | which preys on various animals, securing some |
| 830.1053 | or by that unconscious selection | which results from each man trying
[page |
| 836.70 | proportional numbers of the animals on | which our wolf preyed, a cub might be born |
| 836.902 | process, a new variety might be formed | which would either supplant or coexist with |
| 836.1531 | one with a light greyhound-like form, | which pursues deer, and the other more bulky |
| 836.1596 | other more bulky, with shorter legs, | which more frequently attacks the shepherd's |
| 842.691 | would produce very vigorous seedlings, | which consequently would have the best chance |
| 842.867 | power. Those individual flowers | which had the largest glands or nectaries |
| 842.914 | the largest glands or nectaries, and | which excreted most nectar, would be oftenest |
| 842.1082 | the upper hand. Those flowers, also, | which had their stamens and pistils placed |
| 842.1187 | and habits of the particular insects | which visited them, so as to favour in any |
| 842.1836 | to the plant; and those individuals | which produced more and more pollen, and had |
| 846.548 | holly-trees bear only male flowers, | which have four stamens producing rather a |
| 846.764 | stamens with shrivelled anthers, in | which not a grain of pollen can be detected |
| 846.1285 | bees, nevertheless every female flower | which I examined had been effectually |
| 852.97 | case: we may suppose the plant of | which we have been slowly increasing the |
| 852.429 | nectar at the bases of certain flowers, | which they can, with a very little more |
| 856.8 | CHAP. IV. NATURAL SELECTION.
clover, | which is visited by humble-bees alone; so |
| 858.134 | is open to the same objections | which were at first urged against Sir Charles |
| 864.942 | regularly unite for reproduction, | which is all that concerns us. But still |
| 864.1020 | there are many hermaphrodite animals | which certainly do not habitually pair, and a |
| 872.127 | of facts, such as the following, | which on any other view are inexplicable |
| 872.913 | of the flower and the manner in | which bees suck the nectar; for, in doing |
| 878.395 | and curiously in this very genus, | which seems to have a special contrivance for |
| 878.826 | Sprengel and from my own observations, | which effectually prevent the stigma |
| 878.992 | beautiful and elaborate contrivance by | which every one of the infinitely numerous |
| 878.1423 | species of Lobelia growing close by, | which is visited by bees, seeds freely. In |
| 892.202 | a single case of a terrestrial animal | which fertilises itself. We can understand |
| 892.267 | We can understand this remarkable fact, | which offers so strong a contrast with |
| 892.411 | by considering the medium in | which terrestrial animals live, and the |
| 892.588 | of the wind in the case of plants, by | which an occasional cross could be effected |
| 900.66 | and from the many special facts | which I have collected, but which I am not |
| 900.94 | facts which I have collected, but | which I am not here able to give, I am |
| 900.363 | view, many cases of difficulty, some of | which I am trying to investigate. Finally |
| 912.309 | will most affect those animals | which unite for each birth, which wander much |
| 912.337 | animals which unite for each birth, | which wander much, and which do not breed at |
| 912.360 | for each birth, which wander much, and | which do not breed at a very quick rate |
| 912.580 | be the case. In hermaphrodite organisms | which cross only occasionally, and likewise |
| 912.635 | occasionally, and likewise in animals | which unite for each birth, but which wander |
| 912.667 | animals which unite for each birth, but | which wander little and which can increase at |
| 912.691 | each birth, but which wander little and | which can increase at a very rapid rate, a |
| 914.43 | in the case of slow-breeding animals, | which unite for each birth, we must not |
| 920.0 | CIRCUMSTANCES FAVOURABLE CHAP. IV.
| which unite for each birth; but I have |
| 920.572 | be great. If there exist organic beings | which never intercross, uniformity of |
| 920.791 | natural selection destroying any | which depart from the proper type; but if |
| 922.443 | the individuals of the same species, | which otherwise would have inhabited the |
| 930.233 | in the production of species, | which will prove capable of enduring for a |
| 934.1109 | the new forms produced on large areas, | which already have been victorious over many |
| 936.55 | on these views, understand some facts | which will be again alluded to in our chapter |
| 940.667 | as the Ornithorhynchus and Lepidosiren, | which, like fossils, connect to a certain |
| 942.228 | productions a large continental area, | which will probably undergo many oscillations |
| 942.288 | undergo many oscillations of level, and | which consequently will exist for long |
| 948.143 | being places in the polity of nature, | which can be better occupied by some of the |
| 948.320 | will often depend on physical changes, | which are generally very slow, and on the |
| 952.109 | tells us of the rate and manner at | which the inhabitants of this world have |
| 954.302 | with their physical conditions of life, | which may be effected in the long course of |
| 956.263 | of variations in some way advantageous, | which consequently endure. But as from the |
| 962.25 | any natives.
Furthermore, the species | which are most numerous in individuals will |
| 962.256 | showing that it is the common species | which afford the greatest number of recorded |
| 964.212 | rarer, and finally extinct. The forms | which stand in closest competition with those |
| 964.514 | of the same genus or of related genera,— | which, from having nearly the same structure |
| 970.40 | Divergence of Character.—The principle, | which I have designated by this term, is of |
| 982.112 | the case of a carnivorous quadruped, of | which the number that can be supported in any |
| 982.1447 | varieties were continually selected | which differed from each other in at all the |
| 988.424 | of turf, three feet by four in size, | which had been exposed for many years to |
| 988.589 | to eighteen genera and to eight orders, | which shows how much these plants differed |
| 988.950 | Most of the animals and plants | which live close round any small piece of |
| 988.1362 | determine that the inhabitants, | which thus jostle each other most closely |
| 994.90 | have been expected that the plants | which have succeeded in becoming naturalised |
| 996.51 | the nature of the plants or animals | which have struggled successfully with the |
| 1002.592 | whether the Australian marsupials, | which are divided into groups differing but |
| 1004.32 | After the foregoing discussion, | which ought to have been much amplified, we |
| 1018.203 | We have, also, seen that the species, | which are the commonest and the most widely |
| 1018.790 | equal periods. Only those variations | which are in some way profitable will be |
| 1020.386 | to be exposed to the same conditions | which made their parents variable,
[page |
| 1024.272 | will tend to inherit those advantages | which made their common parent (A) more |
| 1024.437 | of those more general advantages | which made the genus to which the parent |
| 1024.461 | advantages which made the genus to | which the parent-species belonged, a large |
| 1026.240 | diagram to have produced variety a2, | which will, owing to the principle of |
| 1032.270 | according to the nature of the places | which are either unoccupied or not perfectly |
| 1032.735 | letters marking the successive forms | which have become sufficiently distinct to be |
| 1034.147 | tend to partake of the same advantages | which made their parent successful in life |
| 1040.105 | three forms, a10, f10, and m10, | which, from having diverged in character |
| 1040.722 | the diagram illustrates the steps by | which the small differences distinguishing |
| 1046.180 | produced. In each genus, the species, | which are already extremely different in |
| 1046.517 | nearly extreme species (I), as those | which have largely varied, and have given |
| 1048.591 | be most severe between those forms | which are most nearly related to each other |
| 1048.963 | many whole collateral lines of descent, | which will be conquered by later and improved |
| 1052.120 | adapted to some quite new station, in | which child and parent do not come into |
| 1056.1012 | likewise some of the original species | which were most nearly related to their |
| 1056.1224 | that only one (F), of the two species | which were least closely related to the other |
| 1062.471 | is a very important consideration), | which connected the original species (A) and |
| 1070.83 | the character of the new species F14, | which is supposed not to have diverged much |
| 1070.368 | nature. Having descended from a form | which stood between the two parent-species (A |
| 1072.446 | on the affinities of extinct beings, | which, though generally belonging to the same |
| 1080.73 | it is the species of the larger genera | which oftenest present varieties or incipient |
| 1080.314 | existence, it will chiefly act on those | which already have some advantage; and the |
| 1080.582 | mainly lie between the larger groups, | which are all trying to increase in number |
| 1084.360 | that the groups of organic beings | which are now large and triumphant, and which |
| 1084.400 | which are now large and triumphant, and | which are least broken up, that is, which as |
| 1084.436 | and which are least broken up, that is, | which as yet have suffered least extinction |
| 1084.530 | a long period continue to increase. But | which groups will ultimately prevail, no man |
| 1096.133 | structure, habits, and constitution, of | which we see proof by looking at the |
| 1098.117 | belonging to the larger genera, | which vary most; and these will tend to |
| 1098.211 | modified offspring that superiority | which now makes them dominant in their own |
| 1098.564 | is a truly wonderful fact—the wonder of | which we are apt to overlook from familiarity |
| 1098.749 | subordinate to group, in the manner | which we everywhere behold—namely, varieties |
| 1104.911 | to groups. Of the many twigs | which flourished when the tree was a mere |
| 1104.1074 | the other branches; so with the species | which lived during long-past geological |
| 1104.1357 | whole orders, families, and genera | which have now no living representatives, and |
| 1108.0 | page] 130 NATURAL SELECTION. CHAP. IV.
| which are known to us only from having been |
| 1108.165 | from a fork low down in a tree, and | which by some chance has been favoured and is |
| 1108.312 | the Ornithorhynchus or Lepidosiren, | which in some small degree connects by its |
| 1108.398 | two large branches of life, and | which has apparently been saved from fatal |
| 1108.688 | has been with the great Tree of Life, | which fills with its dead and broken branches |
| 1119.784 | nature of the conditions of life, to | which the parents and their more remote |
| 1119.947 | chapter—but a long catalogue of facts | which cannot be here given would be necessary |
| 1123.214 | affected before that union takes place | which is to form a new being. In the case of |
| 1123.287 | the case of "sporting" plants, the bud, | which in its earliest condition does not |
| 1125.395 | between one organic being and another, | which we see everywhere throughout nature |
| 1125.977 | Moquin-Tandon gives a list of plants | which when growing near the sea-shore have |
| 1131.247 | varieties. Thus the species of shells | which are confined to tropical and shallow |
| 1131.382 | to cold and deeper seas. The birds | which are confined to continents are |
| 1131.588 | are often brassy or lurid. Plants | which live exclusively on the sea-side are |
| 1133.318 | the more severe the climate is under | which they have lived; but who can tell how |
| 1141.314 | can have no standard of comparison, by | which to judge of the effects of long |
| 1141.444 | forms; but many animals have structures | which can be explained by the effects of |
| 1141.936 | wingless condition of several birds, | which now inhabit or have lately inhabited |
| 1141.1130 | and is exposed to danger from | which it cannot escape by flight, but by |
| 1149.76 | to disuse modifications of structure | which are wholly, or mainly, due to natural |
| 1153.329 | elsewhere excessively numerous, and | which groups have habits of life almost |
| 1153.660 | generations each individual beetle | which flew least, either from its wings |
| 1153.890 | and, on the other hand, those beetles | which most readily took to flight will |
| 1155.23 | been destroyed.
The insects in Madeira | which are not ground-feeders, and which, as |
| 1155.57 | which are not ground-feeders, and | which, as the flower-feeding coleoptera and |
| 1159.460 | that they were frequently blind; one | which I kept alive was certainly in this |
| 1161.80 | to the most different classes, | which inhabit the caves of Styria and of |
| 1171.858 | owing to the less severe competition to | which the inhabitants of these dark abodes |
| 1173.817 | of species to the climates under | which they live is often overrated.
[page |
| 1177.187 | animals brought from warmer countries | which here enjoy good health. We have reason |
| 1183.914 | wide flexibility of constitution, | which is common to most animals. On this view |
| 1189.381 | tend to preserve those individuals | which are born with constitutions best |
| 1189.670 | published in the United States, in | which certain varieties are habitually |
| 1189.924 | The case of the Jerusalem artichoke, | which is never propagated by seed, and of |
| 1189.966 | is never propagated by seed, and of | which consequently new varieties have not |
| 1197.646 | adult. The several parts of the body | which are homologous, and which, at an early |
| 1197.672 | of the body which are homologous, and | which, at an early embryonic period, are |
| 1205.820 | we pick out the two orders of mammalia | which are most abnormal in their dermal |
| 1217.225 | and external structure of the seeds, | which are not always correlated with any |
| 1219.68 | to correlation of growth, structures | which are common to whole groups of species |
| 1219.117 | common to whole groups of species, and | which in truth are simply due to inheritance |
| 1219.657 | are entirely due to the manner alone in | which natural selection can act. For instance |
| 1219.779 | winged seeds are never found in fruits | which do not open: I should explain the rule |
| 1219.925 | natural selection, except in fruits | which opened; so that the individual plants |
| 1223.6 | CHAP. V. CORRELATION OF GROWTH.
seeds | which were a little better fitted to be |
| 1223.189 | could not possibly go on in fruit | which did not open.
The elder Geoffroy and |
| 1227.56 | that some of the cases of compensation | which have been advanced, and likewise some |
| 1231.309 | I can thus only understand a fact with | which I was much struck when examining |
| 1231.367 | when examining cirripedes, and of | which many other instances could be given |
| 1231.1247 | for in the struggle for life to | which every animal is exposed, each |
| 1237.764 | of nature are more variable than those | which are higher. I presume that lowness in |
| 1237.1240 | alone. In the same way that a knife | which has to cut all sorts of things may be |
| 1245.544 | without giving the long array of facts | which I have collected, and which cannot |
| 1245.572 | of facts which I have collected, and | which cannot possibly be here introduced. I |
| 1245.1471 | used by Hunter, applies to characters | which are attached to one sex, but are not |
| 1249.209 | not displayed in any unusual manner-of | which fact I think there can be little doubt |
| 1257.746 | In rudimentary organs, and in those | which have been but little specialised for |
| 1257.1120 | in our domestic animals those points, | which at the present time are undergoing |
| 1257.1682 | and frequently individuals are born | which depart widely from the standard. There |
| 1263.563 | long-continued amount of variability, | which has continually been accumulated by |
| 1263.924 | in other parts of the organisation, | which have remained for a much longer period |
| 1267.485 | structure. It is only in those cases in | which the modification has been comparatively |
| 1269.615 | is not in this case applicable, | which most naturalists would advance, namely |
| 1273.338 | that some important organ or part, | which is generally very constant throughout |
| 1273.574 | And this fact shows that a character, | which is generally of generic value, when it |
| 1275.111 | why should that part of the structure, | which differs from the same part in other |
| 1275.236 | be more variable than those parts | which are closely alike in the several |
| 1275.508 | vary in those parts of their structure | which have varied within a moderately recent |
| 1275.565 | within a moderately recent period, and | which have thus come to differ. Or to state |
| 1275.651 | case in another manner:—the points in | which all the species of a genus resemble |
| 1275.712 | of a genus resemble each other, and in | which they differ from the species of some |
| 1279.535 | day. On the other hand, the points in | which species differ from other species of |
| 1279.902 | than those parts of the organisation | which have for a very long period remained |
| 1281.460 | the males of gallinaceous birds, in | which secondary sexual characters are |
| 1281.909 | been accumulated by sexual selection, | which
[page] 157 CHAP. V. LAWS OF VARIATION |
| 1287.175 | very same parts of the organisation in | which the different species of the same genus |
| 1287.311 | illustration two instances, the first | which happen to stand on my list; and as the |
| 1293.88 | of specific characters, or those | which distinguish species from species, than |
| 1293.165 | than of generic characters, or those | which the species possess in common;—that the |
| 1293.252 | extreme variability of any part | which is developed in a species in an |
| 1293.972 | have inherited much in common,—to parts | which have recently and largely varied being |
| 1293.1063 | still to go on varying than parts | which have long been inherited and have not |
| 1297.1135 | Swedish turnip and Ruta baga, plants | which several botanists rank as varieties |
| 1305.631 | proportion of foreign blood. In a breed | which has not been crossed, but in which both |
| 1305.666 | which has not been crossed, but in | which both parents have lost some character |
| 1305.710 | both parents have lost some character | which their progenitor possessed, the |
| 1305.958 | number of generations. When a character | which has been lost in a breed, reappears |
| 1309.114 | to reproduce the character in question, | which at last, under unknown favourable |
| 1309.260 | in each generation of the barb-pigeon, | which produces most rarely a blue and black |
| 1315.323 | from the number of the markings, | which are correlated with the blue tint, and |
| 1315.368 | are correlated with the blue tint, and | which it does not appear probable would all |
| 1315.920 | reversion or from analogous variation) | which already occur in some other members of |
| 1317.281 | intermediate between two other forms, | which themselves must be doubtfully ranked as |
| 1323.426 | in the foal, and from inquiries | which I have made, I believe this to be true |
| 1331.315 | barred; and the shoulder-stripe, | which is sometimes double and sometimes |
| 1333.173 | from several aboriginal species-one of | which, the dun, was striped; and that the |
| 1339.452 | mule. In four coloured drawings, | which I have seen, of hybrids between the ass |
| 1345.285 | whenever a dun tint appears-a tint | which approaches to that of the general |
| 1345.1583 | Call the breeds of pigeons, some of | which have bred true for centuries, species |
| 1357.441 | parts; and every part of the structure | which can be saved without detriment to the |
| 1357.669 | correlations of growth, the nature of | which we are utterly unable to understand |
| 1357.1056 | of nature are more variable than those | which have their whole organisation more |
| 1357.1298 | characters-that is, the characters | which have come to differ since the several |
| 1357.1454 | than generic characters, or those | which have long been inherited, and have not |
| 1365.307 | modifications of structure, by | which the innumerable beings on the face of |
| 1380.317 | such as the tail of a giraffe, | which serves as a fly-flapper, and, on the |
| 1384.41 | wonderful structure, as the eye, of | which we hardly as yet fully understand the |
| 1386.130 | to so marvellous an instinct as that | which leads the bee to make cells, which have |
| 1386.165 | that which leads the bee to make cells, | which have practically anticipated the |
| 1392.298 | or other less-favoured forms with | which it comes into competition. Thus |
| 1412.941 | on the presence of other species, on | which it depends, or by which it is destroyed |
| 1412.965 | species, on which it depends, or by | which it is destroyed, or with which it comes |
| 1412.996 | or by which it is destroyed, or with | which it comes into competition; and as these |
| 1414.221 | neutral territory between them, in | which they become rather suddenly rarer and |
| 1418.786 | much rarer numerically than the forms | which they connect. Now, if we may trust |
| 1418.986 | in lesser numbers than the forms | which they connect, then, I think, we can |
| 1418.1194 | and disappear, sooner than the forms | which they originally linked together.
For |
| 1420.402 | the process of further modification, by | which two varieties are supposed on my theory |
| 1420.513 | into two distinct species, the two | which exist in larger numbers from inhabiting |
| 1420.632 | over the intermediate variety, | which exists
[page] 177 CHAP. VI |
| 1424.255 | to seize on, than will the rarer forms | which exist in lesser numbers. Hence, the |
| 1424.470 | and improved. It is the same principle | which, as I believe, accounts for the common |
| 1424.1336 | hill breed; and thus the two breeds, | which originally existed in greater numbers |
| 1432.105 | recent period in isolated portions, in | which many forms, more especially amongst the |
| 1432.159 | more especially amongst the classes | which unite for each birth and wander much |
| 1434.532 | in lesser numbers than the varieties | which they tend to connect. From this cause |
| 1438.199 | be beaten and supplanted by the forms | which they connect; for these from existing |
| 1440.448 | be found only amongst fossil remains, | which are preserved, as we shall in a future |
| 1442.640 | at the Mustela vison of North America, | which has webbed feet and which resembles an |
| 1442.666 | America, which has webbed feet and | which resembles an otter in its fur, short |
| 1448.98 | for out of the many striking cases | which I have collected, I can give only one |
| 1450.411 | tail united by a broad expanse of skin, | which serves as a parachute and allows them |
| 1456.47 | at the Galeopithecus or flying lemur, | which formerly was falsely ranked amongst |
| 1456.969 | would convert it into a bat. In bats | which have the wing-membrane extended from |
| 1462.39 | surmised that birds might have existed | which used their wings solely as flappers |
| 1462.369 | for it, under the conditions of life to | which it is exposed, for each has to live by |
| 1462.602 | of wing-structure here alluded to, | which perhaps may all have resulted from |
| 1462.681 | disuse, indicate the natural steps by | which birds have acquired their perfect power |
| 1464.287 | it is conceivable that flying-fish, | which now glide far through the air, slightly |
| 1472.649 | to that of the many British insects | which now feed on exotic plants, or |
| 1478.617 | in North America there are woodpeckers | which feed largely on fruit, and others with |
| 1478.678 | fruit, and others with elongated wings | which chase insects on the wing; and on the |
| 1478.789 | a tree grows, there is a woodpecker, | which in every essential part of its |
| 1478.1012 | common species; yet it is a woodpecker | which never climbs a tree!
Petrels are the |
| 1486.322 | there are upland geese with webbed feet | which rarely or never go near the water; and |
| 1486.416 | Audubon has seen the frigate-bird, | which has all its four toes webbed, alight on |
| 1494.630 | and the variations be inherited, | which is certainly the case; and if any |
| 1498.353 | to those coarser vibrations of the air | which produce sound.
In looking for the |
| 1500.33 | In looking for the gradations by | which an organ in any species has been |
| 1500.803 | to discover the earlier stages, by | which the eye has been perfected.
In the |
| 1502.426 | one divided into facets, within each of | which there is a lens-shaped swelling. In |
| 1502.508 | other crustaceans the transparent cones | which are coated by pigment, and which |
| 1502.541 | cones which are coated by pigment, and | which properly act only by excluding lateral |
| 1506.166 | far too briefly and imperfectly given, | which show that there is much graduated |
| 1506.336 | animals is in proportion to those | which have become extinct, I can see no very |
| 1514.415 | and carefully selecting each alteration | which, under varied circumstances, may in any |
| 1516.60 | that any complex organ existed, | which could not possibly have been formed by |
| 1516.251 | case. No doubt many organs exist of | which we do not know the transitional grades |
| 1516.356 | we look to much-isolated species, round | which, according to my theory, there has been |
| 1516.595 | at an extremely remote period, since | which all the many members of the class have |
| 1516.719 | the early transitional grades through | which the organ has
[page] 190 DIFFICULTIES |
| 1522.598 | were thus gained, a part or organ, | which had performed two functions, for one |
| 1524.385 | of certain fish, or, for I do not know | which
[page] 191 CHAP. VI. TRANSITIONS OF |
| 1530.142 | from an ancient prototype, of | which we know nothing, furnished with a |
| 1530.369 | that every particle of food and drink | which we swallow has to pass over the orifice |
| 1530.518 | the beautiful contrivance by | which the glottis is closed. In the higher |
| 1530.1083 | of insects, it is probable that organs | which at a very ancient period served for |
| 1536.34 | VI.
called by me the ovigerous frena, | which serve, through the means of a sticky |
| 1536.696 | do not doubt that little folds of skin, | which originally served as ovigerous frena |
| 1536.744 | served as ovigerous frena, but | which, likewise, very slightly aided the act |
| 1538.204 | cases of difficulty occur, some of | which will be discussed in my future work |
| 1540.46 | the gravest is that of neuter insects, | which are often very differently constructed |
| 1546.116 | occur in only about a dozen fishes, of | which several are widely remote in their |
| 1546.741 | most fishes had electric organs, | which most of their modified descendants have |
| 1550.215 | manner two parts in two organic beings, | which owe but little of their structure in |
| 1552.298 | rarely an organ can be named, towards | which no transitional grade is known to lead |
| 1558.45 | the origin of simple parts, of | which the importance does not seem sufficient |
| 1560.293 | on fruit and the colour of the flesh, | which, from determining the attacks of |
| 1560.973 | attacks of insects: so that individuals | which could by any means defend themselves |
| 1566.365 | many purposes in so many land animals, | which in their lungs or modified swim |
| 1568.73 | attribute importance to characters | which are really of very little importance |
| 1568.121 | really of very little importance, and | which have originated from quite secondary |
| 1574.750 | see nearly similar hooks on many trees | which are not climbers, the hooks on the |
| 1574.1551 | the skulls of young birds and reptiles, | which have only to escape from a broken egg |
| 1580.1755 | differences of our domestic breeds, | which nevertheless we generally admit to have |
| 1584.169 | differences between the races of man, | which are so strongly marked; I may add that |
| 1586.781 | of no direct use. So again characters | which formerly were useful, or which formerly |
| 1586.812 | which formerly were useful, or | which formerly had arisen from correlation of |
| 1590.698 | limbs of the monkey, horse, and bat, | which have been inherited from a common |
| 1592.413 | in the ovipositor of the ichneumon, by | which its eggs are depo-
[page] 201 CHAP. VI |
| 1596.377 | to this effect, I cannot find even one | which seems to me of any weight. It is |
| 1600.149 | inhabitants of the same country with | which it has to struggle for existence. And |
| 1604.585 | of the wasp or of the bee as perfect, | which, when used against many attacking |
| 1606.183 | members of the same great order, and | which has been modified but not perfected for |
| 1606.664 | the truly wonderful power of scent by | which the males of many insects find their |
| 1606.793 | single purpose of thousands of drones, | which are utterly useless to the community |
| 1606.859 | to the community for any other end, and | which are ultimately slaughtered by their |
| 1606.1026 | instinctive hatred of the queen-bee, | which urges her instantly to destroy the |
| 1610.335 | the several ingenious contrivances, by | which the flowers of the orchis and of many |
| 1612.94 | some of the difficulties and objections | which may be urged against my theory. Many of |
| 1612.236 | light has been thrown on several facts, | which on the theory of independent acts of |
| 1616.14 | ON THEORY. CHAP. VI.
the two forms | which it connects; consequently the two |
| 1618.233 | by natural selection from an animal | which at first could only glide through the |
| 1622.434 | natural selection. In the cases in | which we know of no intermediate or |
| 1628.778 | acquired by natural selection,—a power | which acts solely by the preservation of |
| 1638.203 | fundamental agreement in structure, | which we see in organic beings of the same |
| 1638.257 | organic beings of the same class, and | which is quite independent of their habits of |
| 1651.299 | eggs in other birds' nests. An action, | which we ourselves should require experience |
| 1657.180 | notion of the frame of mind under | which an instinctive action is performed, but |
| 1657.962 | Huber found it was with a caterpillar, | which makes a very complicated hammock; for |
| 1657.1031 | hammock; for if he took a caterpillar | which had completed its hammock up to, say |
| 1661.687 | that the most wonderful instincts with | which we are acquainted, namely, those of the |
| 1663.998 | produced by the same unknown causes | which produce slight deviations of bodily |
| 1669.229 | the actual transitional gradations by | which each complex instinct has been acquired |
| 1669.1161 | under different circumstances, &c.; in | which case either one or the other instinct |
| 1671.324 | for the sole good of another, with | which I am acquainted, is that of aphides |
| 1675.719 | excreted a limpid drop of sweet juice, | which was eagerly devoured by the ant. Even |
| 1681.111 | loss. So it is with the nests of birds, | which vary partly in dependence on the |
| 1683.245 | and strange habits in certain species, | which might, if advantageous to the species |
| 1689.73 | be enabled to see the respective parts | which habit and the selection of so-called |
| 1695.426 | crossing, resemble natural instincts, | which in a like manner become curiously |
| 1697.54 | are sometimes spoken of as actions | which have become inherited solely from long |
| 1697.278 | the tumbler-pigeon to tumble,—an action | which, as I have witnessed, is performed by |
| 1697.647 | tumblers, as I hear from Mr. Brent, | which cannot fly eighteen inches high without |
| 1701.103 | intending to improve the breed, dogs | which will stand and hunt best. On the other |
| 1703.111 | this is seen in those breeds of fowls | which very rarely or never become "broody |
| 1703.599 | has been found incurable in dogs | which have been brought home as puppies from |
| 1703.1191 | by habit, that fear of the dog and cat | which no doubt was originally instinctive in |
| 1709.233 | peculiar mental habits and actions, | which at first appeared from what we must in |
| 1711.178 | select only three, out of the several | which I shall have to discuss in my future |
| 1711.248 | in my future work,—namely, the instinct | which leads the cuckoo to lay her eggs in |
| 1717.876 | give several instances of various birds | which have been known occasionally to lay |
| 1725.315 | possess the pollen-collecting apparatus | which would be necessary if they had to store |
| 1731.613 | they have to migrate, it is the slaves | which determine the migration, and actually |
| 1731.813 | a slave, but with plenty of the food | which they like best, and with their larvæ |
| 1737.365 | Hence I will give the observations | which I have myself made, in some little |
| 1741.236 | fir-tree, twenty-five yards distant, | which they ascended together, probably in |
| 1747.733 | could distinguish the pupæ of F. fusca, | which they habitually make into slaves, from |
| 1747.820 | of the little and furious F. flava, | which they rarely capture, and it was evident |
| 1757.101 | not pretend to conjecture. But as ants, | which are not slave-makers, will, as I have |
| 1757.449 | presence proved useful to the species | which had seized them-if it were more advan |
| 1761.344 | even than in our British F. sanguinea, | which, as we have seen, is less aided by its |
| 1763.149 | give an outline of the conclusions at | which I have arrived. He must be a dull man |
| 1767.411 | of a short series we have humble-bees, | which use their old cocoons to hold honey |
| 1767.863 | have certain angles, and the three | which form the pyramidal base of a single |
| 1767.1428 | waxen comb of cylindrical cells, in | which the young are hatched, and, in addition |
| 1771.0 | page] 226 INSTINCT. CHAP. VII.
| which thus tend to intersect. Hence each cell |
| 1771.256 | into contact with three other cells, | which, from the spheres being nearly of the |
| 1779.258 | the same with the best measurements | which have been made of the cells of the hive |
| 1781.1476 | hardly more wonderful than those | which guide a bird to make its nest,—I |
| 1787.799 | sixth of the diameter of the sphere of | which they formed a part, the rims of the |
| 1795.460 | at the base of a just-commenced cell, | which were slightly concave on one side |
| 1799.151 | push and bend the ductile and warm wax ( | which as I have tried is easily done) into |
| 1801.738 | time, but only the one rhombic plate | which stands on the extreme growing margin |
| 1807.462 | away on both sides. The manner in | which the bees build is curious; they always |
| 1807.619 | thin finished wall of the cell, | which will ultimately be left. We shall |
| 1807.1277 | injuring the delicate hexagonal walls, | which are only about one four-hundredth of an |
| 1813.342 | wax having been taken from the spot on | which it had been placed, and worked into the |
| 1813.927 | cell, sometimes recurring to a shape | which they had at first rejected.
When bees |
| 1815.26 | rejected.
When bees have a place on | which they can stand in their proper |
| 1819.51 | is important, as it bears on a fact, | which seems at first quite subversive of the |
| 1819.707 | insect might, by fixing on a point at | which to commence a cell, and then moving |
| 1825.661 | independent of the quantity of honey | which the bees could collect. But let us |
| 1825.817 | determine, the numbers of a humble-bee | which could exist in a country; and let us |
| 1831.757 | economy of wax; that individual swarm | which wasted least honey in the secretion of |
| 1831.922 | economical instinct to new swarms, | which in their turn will have had the best |
| 1833.117 | theory of natural selection,—cases, in | which we cannot see how an instinct could |
| 1833.195 | possibly have originated; cases, in | which no intermediate gradations are known to |
| 1837.253 | myself to one special difficulty, | which at first appeared to me insuperable |
| 1843.111 | this being inherited by its offspring, | which again varied and were again selected |
| 1845.173 | all sorts of differences of structure | which have become correlated to certain ages |
| 1851.379 | be slowly formed by carefully watching | which individual bulls and cows, when matched |
| 1851.1092 | of the same species has been produced, | which we see in many social insects.
But we |
| 1853.717 | of shield on their heads, the use of | which is quite unknown: in the Mexican Myrme |
| 1857.149 | have an enormously developed abdomen | which secretes a sort of honey, supplying the |
| 1857.280 | domestic cattle as they may be called, | which our European ants guard or imprison |
| 1859.276 | all of one caste or of the same kind, | which have been rendered by natural selection |
| 1859.701 | selection of the fertile parents | which produced most neuters with the |
| 1863.147 | workers have simple eyes (ocelli), | which though small can be plainly |
| 1863.965 | females had been continually selected, | which produced more and more of the smaller |
| 1869.686 | me with the camera lucida of the jaws | which I had dissected from the workers of the |
| 1871.117 | fertile parents, could form a species | which should regularly produce neuters |
| 1871.693 | the natural selection of the parents | which generated them; until none with an |
| 1877.960 | the most serious special difficulty, | which my theory has encountered. The case |
| 1877.1224 | must call them accidental, variations, | which are in any manner profitable, without |
| 1877.1485 | or instincts of the fertile members, | which alone leave descendants. I am surprised |
| 1906.441 | the first case the two sexual elements | which go to form the embryo are perfect; in |
| 1906.633 | when the cause of the sterility, | which is common to the two cases, has to be |
| 1910.427 | he cuts the knot, for in ten cases in | which he found two forms, considered by most |
| 1914.998 | table about a score of cases of plants | which he castrated, and artificially |
| 1914.1121 | all cases such as the Leguminosæ, in | which there is an acknowledged difficulty in |
| 1914.1344 | crossed the primrose and cowslip, | which we have such good reason to believe to |
| 1914.1542 | Anagallis arvensis and cœrulea), | which the best botanists rank as varieties |
| 1924.1186 | from the anthers of the flower itself | which is to be fertilised; so that a cross |
| 1930.648 | by C. revolutum produced a plant, | which (he says) I never saw to occur in a |
| 1932.196 | the species of the genus Hippeastrum, | which can be far more easily fertilised by |
| 1936.157 | to maturity, and bore good seed, | which vegetated freely." In a letter to me |
| 1942.716 | sterile kinds of hybrid rhododendrons, | which produce no pollen, for he will find on |
| 1948.48 | I hardly know of an instance in | which two families of the same hybrid have |
| 1948.571 | sisters in the case of any pure animal, | which from any cause had the least tendency |
| 1950.351 | Chinese geese (A. cygnoides), species | which are so different that they are |
| 1952.11 | be highly fertile.
A doctrine | which originated with Pallas, has been
[page |
| 1966.773 | to an excess of fertility, beyond that | which the plant's own pollen will produce. So |
| 1966.857 | in hybrids themselves, there are some | which never have produced, and probably never |
| 1972.25 | fertility.
Hybrids from two species | which are very difficult to cross, and which |
| 1972.64 | which are very difficult to cross, and | which rarely produce any offspring, are |
| 1972.264 | thus produced-two classes of facts | which are generally confounded together-is by |
| 1972.352 | means strict. There are many cases, in | which two pure species can be united with |
| 1972.530 | On the other hand, there are species | which can be crossed very rarely, or with |
| 1974.362 | the constitution of the individuals | which happen to have been chosen for the |
| 1976.150 | especially in the structure of parts | which are of high physiological importance |
| 1976.197 | of high physiological importance and | which differ little in the allied species |
| 1980.482 | be given of very closely allied species | which will not unite, or only with extreme |
| 1980.584 | the other hand of very distinct species | which unite with the utmost facility. In the |
| 1980.679 | there may be a genus, as Dianthus, in | which very many species can most readily be |
| 1980.765 | and another genus, as Silene, in | which the most persevering efforts have |
| 1980.1105 | but Gärtner found that N. acuminata, | which is not a particularly distinct species |
| 1992.290 | go together. There are certain hybrids | which instead of having, as is usual, an |
| 1992.565 | sterile. So again amongst hybrids | which are usually intermediate in structure |
| 1992.689 | individuals sometimes are born, | which closely resemble one of their pure |
| 1994.41 | the several rules now given, | which govern the fertility of first crosses |
| 1994.125 | and of hybrids, we see that when forms, | which must be considered as good and distinct |
| 1994.605 | hybrids is not related to the degree in | which they resemble in external appearance |
| 2000.270 | various species are crossed, all of | which we must suppose it would be equally |
| 2002.249 | reproductive systems, of the species | which are crossed. The differences being of |
| 2006.1761 | grafted far more readily on the quince, | which is ranked as a distinct genus, than on |
| 2006.1817 | as a distinct genus, than on the apple, | which is a member of the same genus. Even |
| 2014.44 | seen that the sterility of hybrids, | which have their reproductive organs in an |
| 2014.182 | difficulty of uniting two pure species, | which have their reproductive organs perfect |
| 2014.379 | found that three species of Robinia, | which seeded freely on their own roots, and |
| 2014.423 | seeded freely on their own roots, and | which could be grafted with no great |
| 2014.756 | case of Hippeastrum, Lobelia, &c., | which seeded much more freely when fertilised |
| 2020.110 | laws governing the facility with | which trees can be grafted on each other as |
| 2020.497 | been expected, systematic affinity, by | which every kind of resemblance and |
| 2028.42 | regard to the sterility of hybrids, in | which the sexual elements are imperfectly |
| 2028.179 | once alluded to a large body of facts, | which I have collected, showing that when |
| 2032.1232 | they are extremely liable to vary, | which is due, as I believe, to their |
| 2040.270 | increased sterility in those hybrids | which occasionally and exceptionally resemble |
| 2048.217 | males and females of the same species | which have varied and become slightly |
| 2048.504 | is crosses between males and females | which have become widely or specifically |
| 2048.572 | specifically different, produce hybrids | which are generally sterile in some degree. I |
| 2048.778 | by some common but unknown bond, | which is essentially related to the principle |
| 2054.670 | pimpernel, the primrose and cowslip, | which are considered by many of our best |
| 2056.346 | with European dogs, the explanation | which will occur to everyone, and probably |
| 2056.723 | we reflect how many species there are, | which, though resembling each other most |
| 2060.408 | the successive generations of hybrids, | which were at first only slightly sterile |
| 2060.1233 | on the whole organisation, in any way | which may be for each creature's own good |
| 2062.235 | sterility in the few following cases, | which I will briefly abstract. The evidence |
| 2062.312 | is at least as good as that from | which we believe
[page] 270 HYBRIDISM. CHAP |
| 2068.56 | crossed three varieties of gourd, | which like the maize has separated sexes, and |
| 2074.200 | coloured flowers, than between those | which are differently coloured. Yet these |
| 2076.18 | seed of the other.
From observations | which I have made on certain varieties of |
| 2078.271 | He experimentised on five forms, | which are commonly reputed to be varieties |
| 2078.319 | commonly reputed to be varieties, and | which he tested by the severest trial, namely |
| 2078.605 | yielded hybrids not so sterile as those | which were produced from the four other |
| 2084.224 | to me sufficient to overthrow the view | which I have taken with respect to the very |
| 2084.493 | the reproductive systems of the forms | which are crossed.
Hybrids and Mongrels |
| 2088.206 | admits that hybrids from species | which have long been cultivated are often |
| 2094.689 | it bears on and corroborates the view | which I have taken on the cause of ordinary |
| 2094.1102 | excluding those long cultivated) | which have not had their reproductive systems |
| 2102.45 | alone are the unimportant differences, | which Gärtner is able to point out, between |
| 2108.30 | the female, so that the mule, | which is the offspring of the male-ass and |
| 2108.119 | is more like an ass, than is the hinny, | which is the offspring of the female-ass and |
| 2110.287 | with mongrels. Looking to the cases | which I have collected of cross-bred animals |
| 2110.454 | almost monstrous in their nature, and | which have suddenly appeared-such as albinism |
| 2110.604 | toes; and do not relate to characters | which have been slowly acquired by selection |
| 2110.769 | be more likely to occur with mongrels, | which are descended from varieties often |
| 2110.880 | in character, than with hybrids, | which are descended from species slowly and |
| 2122.53 | of first crosses between pure species, | which have their reproductive systems perfect |
| 2126.118 | the embryo. The sterility of hybrids, | which have their reproductive systems |
| 2126.171 | reproductive systems imperfect, and | which have had this system and their whole |
| 2126.321 | seems closely allied to that sterility | which so frequently affects pure species |
| 2126.993 | of some kind between the species | which are crossed. Nor is it surprising that |
| 2126.1329 | the systematic affinity of the forms | which are subjected to experiment; for |
| 2143.55 | I enumerated the chief objections | which might be justly urged against the views |
| 2143.930 | in lesser numbers than the forms | which they connect, will generally be beaten |
| 2147.56 | process of natural selection, through | which new varieties continually take the |
| 2147.277 | the number of intermediate varieties, | which have formerly existed on the earth, be |
| 2147.568 | the most obvious and gravest objection | which can be urged against my theory. The |
| 2149.647 | all the intermediate varieties | which have ever existed, we should have an |
| 2165.524 | work on the Principles of Geology, | which the future historian will recognise as |
| 2165.1218 | of the lapse of time, the monuments of | which we see around us.
It is good to wander |
| 2171.791 | a few miles any line of rocky cliff, | which is undergoing degradation, we find that |
| 2173.130 | deeply impressed with the slowness with | which rocky coasts are worn away. The |
| 2173.392 | many thousand feet in thickness, | which, though probably formed at a quicker |
| 2173.526 | of worn and rounded pebbles, each of | which bears the stamp of time, are good to |
| 2177.46 | result and measure of the degradation | which the earth's crust has elsewhere |
| 2199.122 | miles. Some of these formations, | which are represented in England by thin beds |
| 2199.439 | but an inadequate idea of the time | which has elapsed during their accumulation |
| 2201.29 | slow.
But the amount of denudation | which the strata have in many places suffered |
| 2201.297 | when viewing volcanic islands, | which have been
[page] 285 CHAP. IX |
| 2205.346 | by faults,—those great cracks along | which the strata have been upheaved on one |
| 2209.196 | a mere trifle, in comparison with that | which has removed masses of our palæozoic |
| 2213.32 | IX.
oneself the great dome of rocks | which must have covered up the Weald within |
| 2213.426 | underlies the Weald, on the flanks of | which the overlying sedimentary deposits |
| 2213.718 | district. If, then, we knew the rate at | which the sea commonly wears away a line of |
| 2213.1743 | contain harder layers or nodules, | which from long resisting attrition form a |
| 2219.210 | hand, during oscillations of level, | which we know this area has undergone, the |
| 2221.287 | What an infinite number of generations, | which the mind cannot grasp, must have |
| 2227.908 | in an unaltered condition. The remains | which do become embedded, if in sand or |
| 2227.1093 | that but few of the very many animals | which live on the beach between high and low |
| 2227.1394 | of a single Mediterranean species, | which inhabits deep water and has been found |
| 2229.44 | respect to the terrestrial productions | which lived during the Secondary and |
| 2235.750 | have suspected that during the periods | which were blank and barren in his own |
| 2235.987 | can be formed of the length of time | which has elapsed between the consecutive |
| 2241.260 | miles of the South American coasts, | which have been upraised several hundred feet |
| 2241.467 | period. Along the whole west coast, | which is inhabited by a peculiar marine fauna |
| 2247.34 | in profound depths of the sea, in | which case, judging from the researches of E |
| 2247.246 | imperfect record of the forms of life | which then existed; or, sediment may be |
| 2249.48 | that all our ancient formations, | which are rich in fossils, have thus been |
| 2249.467 | on the west coast of South America, | which has been bulky enough to resist such |
| 2249.553 | as it has as yet suffered, but | which will hardly last to a distant |
| 2255.191 | been accumulated in the shallow parts, | which are the most favourable to life. Still |
| 2255.348 | or, to speak more accurately, the beds | which were then accumulated will have been |
| 2265.89 | varieties between the allied species | which lived at its commencement and at its |
| 2265.514 | series of links between the species | which then lived; but I can by no means |
| 2273.755 | of Europe during the Glacial period, | which forms only a part of one whole |
| 2273.1343 | within that limit of depth at | which marine animals can flourish; for we |
| 2279.571 | keep the depth approximately the same, | which is necessary in order to enable the |
| 2285.142 | a formation give any idea of the time | which its deposition has consumed. Many |
| 2285.316 | thousands of feet in thickness, and | which must have required an enormous period |
| 2285.950 | level during the process of deposition, | which would never even have been suspected |
| 2285.1693 | all the fine intermediate gradations | which must on my theory have existed between |
| 2291.18 | GEOLOGICAL RECORD.
no golden rule by | which to distinguish species and varieties |
| 2293.397 | do find the kind of evidence of change | which on my theory we ought to find. Moreover |
| 2299.710 | have seen that with plants it is those | which have the widest range, that oftenest |
| 2299.839 | marine animals, it is probably those | which have had the widest range, far |
| 2299.943 | known geological formations of Europe, | which have oftenest given rise, first to |
| 2305.298 | inhabiting the shores of North America, | which are ranked by some conchologists as |
| 2307.443 | most obvious of all the many objections | which may be urged against my views. Hence it |
| 2307.749 | equals all the geological formations | which have been examined with any accuracy |
| 2311.75 | if all the species were to be collected | which have ever lived there, how imperfectly |
| 2313.160 | imperfect manner in the formations | which we suppose to be there accumulating. I |
| 2313.273 | strictly littoral animals, or of those | which lived on naked submarine rocks, would |
| 2315.315 | other by enormous intervals, during | which the area would be either stationary or |
| 2323.188 | be chiefly these far-ranging species | which would oftenest produce new varieties |
| 2325.175 | of those fine transitional forms, | which on my theory assuredly have connected |
| 2329.285 | transitional links between the species | which appeared at the commencement and close |
| 2331.81 | of Allied Species.—The abrupt manner in | which whole groups of species suddenly appear |
| 2331.602 | development of a group of forms, all of | which have descended from some one progenitor |
| 2331.1058 | world is, compared with the area over | which our geological formations have been |
| 2331.1359 | for the enormous intervals of time, | which have
[page] 303 CHAP. IX. GEOLOGICAL |
| 2337.387 | to produce many divergent forms, | which would be able to spread rapidly and |
| 2345.29 | period.
I may give another instance, | which from having passed under my own eyes |
| 2345.445 | fathoms; from the perfect manner in | which specimens are preserved in the oldest |
| 2345.523 | tertiary beds; from the ease with | which even a fragment of a valve can be |
| 2345.1193 | of an unmistakeable sessile cirripede, | which he had himself extracted from the chalk |
| 2345.1392 | common, large, and ubiquitous genus, of | which not one specimen has as yet been found |
| 2351.394 | that certain much older fishes, of | which the affinities are as yet imperfectly |
| 2351.1584 | large and perfectly enclosed basin, in | which any great group of marine animals might |
| 2357.226 | palæontological ideas on many points, | which the discoveries of even the last dozen |
| 2359.135 | There is another and allied difficulty, | which is much graver. I allude to the manner |
| 2359.183 | much graver. I allude to the manner in | which numbers of species of the same group |
| 2359.306 | rocks. Most of the arguments | which have convinced me that all the existing |
| 2359.578 | descended from some one crustacean, | which must have lived long before the |
| 2359.634 | lived long before the Silurian age, and | which probably differed greatly from any |
| 2359.923 | of all the species of the orders to | which they belong, for they do not present |
| 2367.939 | of vast piles of fossiliferous strata, | which on my theory no doubt were somewhere |
| 2371.48 | condition. But the descriptions | which we now possess of the Silurian deposits |
| 2373.259 | From the nature of the organic remains, | which do not appear to have inhabited |
| 2373.432 | of sediment, miles in thickness, of | which the formations are composed, we may |
| 2373.877 | or as a submarine surface near land, on | which sediment was not deposited, or again as |
| 2375.32 | sea.
Looking to the existing oceans, | which are thrice as extensive as the land, we |
| 2379.84 | upheaved by the oscillations of level, | which we may fairly conclude must have |
| 2379.316 | extended from the remotest period of | which we have any record; and on the other |
| 2379.1509 | for it might well happen that strata | which had subsided some miles nearer to the |
| 2379.1578 | nearer to the centre of the earth, and | which had been pressed on by an enormous |
| 2379.1712 | far more metamorphic action than strata | which have always remained nearer to the |
| 2379.1866 | America, of bare metamorphic rocks, | which
[page] 310 IMPERFECTION OF THE CHAP |
| 2385.157 | links between the many species | which now exist or have existed; the sudden |
| 2385.211 | or have existed; the sudden manner in | which whole groups of species appear in our |
| 2389.113 | of the slowly-changing language, in | which the history is supposed to be written |
| 2408.640 | quicker rate than those of the sea, of | which a striking instance has lately been |
| 2408.1496 | so-called "colonies" of M. Barrande, | which intrude for a period in the midst of an |
| 2412.810 | nature of the other inhabitants with | which the varying species comes into |
| 2412.1806 | of organism to organism, that any form | which does not become in some degree modified |
| 2416.175 | of time, become modified; for those | which do not change will become extinct.
In |
| 2428.170 | to give an explanation of this fact, | which if true would have been fatal to my |
| 2432.180 | the successive geological formations in | which the species are found, the line will |
| 2432.915 | being slowly converted into species, | which in their turn produce by equally slow |
| 2438.329 | to determine the length of time during | which any single species or any single genus |
| 2438.704 | taper more gradually at its upper end, | which marks the progress of extermination |
| 2438.770 | extermination, than at its lower end, | which marks the first appearance and increase |
| 2440.442 | Toxodon, and other extinct monsters, | which all co-existed with still living shells |
| 2444.977 | what the unfavourable conditions were | which checked its increase, whether some one |
| 2446.413 | progress of events with those animals | which have
[page] 320 GEOLOGICAL SUCCESSION |
| 2452.182 | having some advantage over those with | which it comes into competition; and the |
| 2452.793 | the number of new specific forms | which have been produced within a given time |
| 2452.885 | greater than that of the old forms | which have been exterminated; but we know |
| 2454.116 | by examples, between the forms | which are most like each other in all |
| 2458.794 | and it will generally be allied forms, | which will suffer from some inherited |
| 2458.927 | to the same or to a distinct class, | which yield their places to other species |
| 2458.969 | yield their places to other species | which have been modified and improved, a few |
| 2464.346 | of the old inhabitants; and the forms | which thus yield their places will commonly |
| 2466.39 | Thus, as it seems to me, the manner in | which single species and whole groups of |
| 2466.317 | the many complex contingencies, on | which the existence of each species depends |
| 2472.545 | sculpture. Moreover other forms, | which are not found in the Chalk of Europe |
| 2472.593 | not found in the Chalk of Europe, but | which occur in the formations either above or |
| 2472.1003 | Even if the few fossil species | which are common to the Old and New Worlds be |
| 2480.285 | sense; for if all the marine animals | which live at the present day in Europe, and |
| 2480.868 | are more closely related to those | which lived in Europe during certain later |
| 2480.942 | later tertiary stages, than to those | which now live here; and if this be so, it is |
| 2480.1495 | and from not including those forms | which are only found in the older underlying |
| 2486.504 | temporary, but depend on general laws | which govern the whole animal kingdom." M |
| 2488.185 | are formed by new varieties arising, | which have some advantage over older forms |
| 2488.246 | over older forms; and those forms, | which are already dominant, or have some |
| 2488.570 | evidence on this head, in the plants | which are dominant, that is, which are |
| 2488.599 | the plants which are dominant, that is, | which are commonest in their own homes, and |
| 2492.42 | varying, and far-spreading species, | which already have invaded to a certain |
| 2492.139 | of other species, should be those | which would have the best chance of spreading |
| 2500.487 | and producing new species. The forms | which are beaten and which yield their places |
| 2500.508 | species. The forms which are beaten and | which yield their places to the new and |
| 2522.222 | must be restricted to those groups | which have undergone much change in the |
| 2528.1059 | tendency to divergence of character, | which was formerly illustrated by this |
| 2534.248 | sub-families and families, some of | which are supposed to have perished at |
| 2536.602 | objected to call the extinct genera, | which thus linked the living genera of three |
| 2542.543 | right to expect, is that those groups, | which have within known geological periods |
| 2550.42 | in general character between that | which preceded and that which succeeded it |
| 2550.66 | between that which preceded and that | which succeeded it. Thus, the species which |
| 2550.104 | which succeeded it. Thus, the species | which lived at the sixth great stage of |
| 2550.203 | are the modified offspring of those | which lived at the fifth stage, and are the |
| 2550.264 | stage, and are the parents of those | which became still more modified at the |
| 2550.878 | one instance, namely, the manner in | which the fossils of the Devonian system |
| 2552.521 | or the most recent; nor are those | which are intermediate in character |
| 2556.872 | have become extinct; and carriers | which are extreme in the important character |
| 2556.982 | earlier than short-beaked tumblers, | which are at the opposite end of the series |
| 2562.373 | climate during the pleistocene period, | which includes the whole glacial period, and |
| 2564.477 | varieties between the species | which appeared at the commencement and close |
| 2570.917 | From the extraordinary manner in | which European productions have recently |
| 2570.1009 | New Zealand, and have seized on places | which must have been previously occupied, we |
| 2576.438 | least in regard to subordinate groups, | which have branched off from each other |
| 2578.652 | strata are discovered-a discovery of | which the chance is very small.
On the |
| 2596.379 | Brazil, there are many extinct species | which are closely allied in size and in other |
| 2596.1112 | died out and have left no progeny. Or, | which would probably be a far commoner case |
| 2602.240 | the incalculable number of generations | which must have passed away even during a |
| 2602.1031 | that widely ranging species are those | which have varied most, and have oftenest |
| 2604.171 | are the numberless transitional links | which must formerly have connected the |
| 2604.361 | in the enormous intervals of time | which have elapsed between our consecutive |
| 2608.319 | of those infinitely numerous organisms | which must have existed long before the first |
| 2616.67 | of the dominant forms of life, | which are those that oftenest vary, will in |
| 2616.270 | the places of those groups of species | which are their inferiors in the struggle for |
| 2637.99 | face of the globe, the first great fact | which strikes us is, that neither the |
| 2637.1022 | a climate or condition in the Old World | which cannot be paralleled in the New-at |
| 2643.403 | of lat. 35º with those north of 25º, | which consequently inhabit a considerably |
| 2645.20 | of the sea.
A second great fact | which strikes us in our general review is |
| 2657.414 | fails to be struck by the manner in | which successive groups of beings |
| 2663.59 | is simply inheritance, that cause | which alone, as far as we positively know |
| 2663.1044 | species, abounding in individuals, | which have already triumphed over many |
| 2669.394 | If, for instance, a number of species, | which stand in direct competition with each |
| 2671.265 | In the case of those species, | which have undergone during whole geological |
| 2671.489 | vast geographical and climatal changes | which will have supervened since ancient |
| 2671.609 | possible. But in many other cases, in | which we have reason to believe that the |
| 2677.36 | We are thus brought to the question | which has been largely discussed by |
| 2681.462 | The great and striking influence | which barriers of every kind have had on |
| 2681.912 | most natural genera, or those genera in | which the species are most closely related to |
| 2683.327 | Undoubtedly many cases occur, in | which we cannot explain how the same species |
| 2683.462 | the geographical and climatal changes, | which have certainly occurred within recent |
| 2689.168 | several distinct species of a genus, | which on my theory have all descended from a |
| 2689.428 | invariably the case, that a region, of | which most of its inhabitants are closely |
| 2693.928 | an ingenious paper by Mr. Wallace, in | which he concludes, that "every species has |
| 2695.339 | created. With those organic beings | which never intercross (if such exist), the |
| 2695.467 | a succession of improved varieties, | which will never have blended with other |
| 2699.74 | of cases, namely, with all organisms | which habitually unite for each birth, or |
| 2699.116 | habitually unite for each birth, or | which often intercross, I believe that during |
| 2701.46 | discussing the three classes of facts, | which I have selected as presenting the |
| 2707.497 | that scarcely a single island exists | which has not recently been united to some |
| 2707.1168 | islands, now buried beneath the sea, | which may have served as halting places for |
| 2707.1780 | within the recent period continents | which are now quite separate, have been |
| 2713.68 | what are called accidental means, but | which more properly might be called |
| 2717.733 | The majority sank quickly, but some | which whilst green floated for a very short |
| 2723.339 | fruits and likewise seeds from plants | which live near the sea; and this would have |
| 2729.889 | some taken out of the crop of a pigeon, | which had floated on artificial salt-water |
| 2731.714 | these seemed perfect, and some of them, | which I tried, germinated. But the following |
| 2735.709 | to twenty hours, disgorge pellets, | which, as I know from experiments made in the |
| 2741.222 | for a moment on the millions of quails | which annually cross the Mediterranean; and |
| 2743.953 | fragments of granite and other rocks, | which do not occur in the archipelago. Hence |
| 2745.85 | and that several other means, | which without doubt remain to be discovered |
| 2749.1464 | namely, in dirt sticking to their feet, | which is in itself a rare accident. Even in |
| 2753.755 | birds living there, nearly every seed, | which chanced to arrive, would be sure to |
| 2759.94 | vivid attention to the Glacial period, | which, as we shall immediately see, affords a |
| 2759.569 | boulders, of the icy streams with | which their valleys were lately filled. So |
| 2761.672 | they were stopped by barriers, in | which case they would perish. The mountains |
| 2765.265 | the present circumpolar inhabitants, | which we suppose to have everywhere travelled |
| 2767.461 | returned, the same arctic species, | which had lately lived in a body together on |
| 2781.247 | mingled with ancient Alpine species, | which must have existed on the mountains |
| 2781.338 | commencement of the Glacial epoch, and | which during its coldest period will have |
| 2793.308 | America and Europe,—a relationship | which is most remarkable, considering the |
| 2795.94 | as soon as the species in common, | which inhabited the New and Old Worlds |
| 2799.147 | find in every great class many forms, | which some naturalists rank as geographical |
| 2799.283 | closely allied or representative forms | which are ranked by all naturalists as |
| 2801.90 | southern migration of a marine fauna, | which during the Pliocene or even a somewhat |
| 2809.665 | tell the same story. If one account | which has been published can be trusted, we |
| 2819.672 | European genera were found by Gardner, | which do not exist in the wide intervening |
| 2823.356 | European forms are found, | which have not been discovered in the |
| 2843.95 | the damp with the heat of the tropics | which is so destructive to perennial plants |
| 2843.608 | to Europe still exist in North America, | which must have lain on the line of march |
| 2845.391 | exterminated on the lowlands; those | which had not reached the equator, would re |
| 2849.40 | homes; but the forms, chiefly northern, | which had crossed the equator, would travel |
| 2849.442 | different with those intruding forms | which settled themselves on the intertropical |
| 2857.141 | and affinities of the allied species | which live in the northern and southern |
| 2869.1100 | fastnesses of almost every land, | which serve as a record, full of interest to |
| 2886.1040 | sides of continuous mountain-ranges, | which from an early period must have parted |
| 2886.1299 | world, no doubt there are many cases | which cannot at present be explained: but |
| 2892.79 | a very wide range, and allied species, | which, on my theory, are descended from a |
| 2892.500 | the same country. But two facts, | which I have observed—and no doubt many |
| 2892.979 | effectual: I suspended a duck's feet, | which might represent those of a bird |
| 2898.274 | in large groups of terrestrial plants, | which have only a very few aquatic members |
| 2898.597 | feet and beaks of birds. Wading birds, | which frequent the muddy edges of ponds, if |
| 2910.1436 | more especially by fresh-water birds, | which have large powers of flight, and |
| 2912.94 | the last of the three classes of facts, | which I
[page] 389 CHAP. XII. OCEANIC |
| 2916.425 | s view on continental extensions, | which, if legitimately followed out, would |
| 2916.839 | but shall consider some other facts, | which bear on the truth of the two theories |
| 2918.25 | modification.
The species of all kinds | which inhabit oceanic islands are few in |
| 2922.110 | and on every other oceanic island | which can be named. In St. Helena there is |
| 2924.987 | seems to depend on the species | which do not become modified having |
| 2928.100 | land-birds. Bermuda, on the other hand, | which lies at about the same distance from |
| 2928.209 | Islands do from South America, and | which has a very peculiar soil, does not |
| 2928.708 | and Madeira have been stocked by birds, | which for long ages have struggled together |
| 2936.779 | trees or bushes belonging to orders | which elsewhere include only herbaceous |
| 2942.145 | found on any of the many islands with | which the great oceans are studded. I have |
| 2944.440 | equally barren. The Falkland Islands, | which are inhabited by a wolf-like fox, come |
| 2948.285 | and hardly an island can be named on | which our smaller quadrupeds have not become |
| 2948.564 | as shown by the stupendous degradation | which they have suffered and by their |
| 2954.478 | regard to the great Malay Archipelago, | which is traversed near Celebes by a space of |
| 2962.326 | having existed as halting-places, of | which not a wreck now remains, must not be |
| 2972.761 | this be so? why should the species | which are supposed to have been created in |
| 2972.1050 | or climate, or in the proportions in | which the several classes are associated |
| 2972.1101 | classes are associated together, | which resembles closely the conditions of the |
| 2978.814 | also plainly related to South America, | which, although the next nearest continent |
| 2978.1247 | of the Glacial period. The affinity, | which, though feeble, I am assured by Dr |
| 2980.8 | doubt, be some day explained.
The law | which causes the inhabitants of an archi |
| 2984.1436 | nature of the other inhabitants, with | which each has to compete, is at least as |
| 2984.1609 | of the Galapagos Archipelago | which are found in other parts of the world |
| 2984.1709 | for the moment the endemic species, | which cannot be here fairly included, as we |
| 2994.809 | but we should remember that the forms | which become naturalised in new countries are |
| 2994.1355 | Island to be blown to Charles Island, | which has its own mocking-thrush: why should |
| 2998.74 | but representative land-shells, some of | which live in crevices of stone; and although |
| 2998.352 | colonised by some European land-shells, | which no doubt had some advantage over the |
| 2998.519 | the endemic and representative species, | which inhabit the several islands of the |
| 3000.14 | birds, and plants.
The principle | which determines the general character of the |
| 3004.844 | occur, there will be found many forms | which some naturalists rank as distinct |
| 3006.345 | long ago, that in those genera of birds | which range over the world, many of the |
| 3006.734 | with most fresh-water productions, in | which so many genera range over the world |
| 3010.176 | very widely; for the facility with | which widely-ranging species vary and give |
| 3010.604 | Still less is it meant, that a species | which apparently has the capacity of crossing |
| 3016.570 | probably accounts for a law | which has long been observed, and which has |
| 3016.604 | a law which has long been observed, and | which has lately been admirably discussed by |
| 3018.429 | close relation of the distinct species | which inhabit the islets of the same |
| 3024.53 | climate and of the level of the land, | which have certainly occurred within the |
| 3024.138 | period, and of other similar changes | which may have occurred within the same |
| 3024.310 | of occasional transport,—a subject | which has hardly ever been properly |
| 3024.704 | And we are led to this conclusion, | which has been arrived at by many naturalists |
| 3026.56 | the distinct species of the same genus, | which on my theory must have spread from one |
| 3028.157 | influence of the modern Glacial period, | which I am fully convinced simultaneously |
| 3032.507 | of barriers, whether of land or water, | which separate our several zoological and |
| 3032.912 | likewise linked to the extinct beings | which formerly inhabited the same continent |
| 3032.1217 | for according to the length of time | which has elapsed since new inhabitants |
| 3032.1322 | to the nature of the communication | which allowed certain forms and not others to |
| 3032.1439 | numbers; according or not, as those | which entered happened to come in more or |
| 3044.94 | in an intermediate deposit the forms | which are therein absent, but which occur |
| 3044.124 | the forms which are therein absent, but | which occur above and below: so in space, it |
| 3044.305 | is continuous; and the exceptions, | which are not rare, may, as I have attempted |
| 3044.1375 | whether we look to the forms of life | which have changed during successive ages |
| 3044.1467 | same quarter of the world, or to those | which have changed after having migrated into |
| 3057.820 | species belonging to the larger genera, | which vary most. The varieties, or incipient |
| 3061.33 | XIII.
species. Consequently the groups | which are now large, and which generally |
| 3061.58 | the groups which are now large, and | which generally include many dominant species |
| 3061.463 | great diversity of the forms of life | which, in any small area, come into the |
| 3063.72 | is a constant tendency in the forms | which are increasing in number and diverging |
| 3063.943 | the next two genera on the right hand, | which diverged from a common parent at the |
| 3063.1170 | genera still further to the right hand, | which diverged at a still earlier period. And |
| 3067.314 | the subordination of group under group, | which, from its familiarity, does not always |
| 3069.235 | arranging together those living objects | which are most alike, and for separating |
| 3069.282 | most alike, and for separating those | which are most unlike; or as an artificial |
| 3069.1064 | as that famous one of Linnæus, and | which we often meet with in a more or less |
| 3073.8 | CLASSIFICATION. CHAP. XIII.
cation, | which is partially revealed to us by our |
| 3075.79 | in classification, and the difficulties | which are encountered on the view that |
| 3075.388 | that those parts of the structure | which determined the habits of life, and the |
| 3075.1167 | The generative organs being those | which are most remotely related to the habits |
| 3075.1505 | it is that the organs of vegetation, on | which their whole life depends, are of little |
| 3081.302 | the classificatory importance of organs | which are important is generally, but by no |
| 3081.795 | the one fact, that in allied groups, in | which the same organ, as we have every reason |
| 3089.67 | given of characters derived from parts | which must be considered of very trifling |
| 3089.139 | trifling physiological importance, but | which are universally admitted as highly |
| 3089.352 | the only character, according to Owen, | which absolutely distinguishes fishes and |
| 3089.471 | of the jaws in Marsupials-the manner in | which the wings of insects are folded-mere |
| 3095.1637 | me well to illustrate the spirit with | which our classifications are sometimes |
| 3101.71 | physiological value of the characters | which they use in defining a group, or in |
| 3103.334 | this purpose than that of the adult, | which alone plays its full part in the |
| 3103.679 | holds good with flowering plants, of | which the two main divisions have been |
| 3109.297 | at the opposite ends of the series, | which have hardly a character in common; yet |
| 3117.216 | with modification; that the characters | which naturalists consider as showing true |
| 3117.311 | any two or more species, are those | which have been inherited from a common |
| 3117.461 | community of descent is the hidden bond | which naturalists have been unconsciously |
| 3119.425 | the different degrees of modification | which they have undergone; and this is |
| 3119.744 | A to L to represent allied genera, | which lived during the Silurian epoch, and |
| 3119.823 | and these have descended from a species | which existed at an unknown anterior period |
| 3127.452 | on a flat surface, the affinities | which we discover in nature amongst the |
| 3127.536 | of the same group. Thus, on the view | which I hold, the natural system is |
| 3127.654 | but the degrees of modification | which the different groups have undergone |
| 3135.80 | at the classification of varieties, | which are believed or known to have descended |
| 3135.1600 | would keep the forms together | which were allied in the greatest number of |
| 3141.674 | alternate generations of Steenstrup, | which can only in a technical sense be |
| 3141.1117 | Monochanthus, Myanthus, and Catasetum), | which had previously been ranked as three |
| 3147.215 | it has been used in classing varieties | which have undergone a certain, and sometimes |
| 3147.647 | understand the several rules and guides | which have been followed by our best |
| 3147.835 | Therefore we choose those characters | which, as far as we can judge, are the least |
| 3147.950 | relation to the conditions of life to | which each species has been recently exposed |
| 3151.110 | of the angle of the jaw, the manner in | which an insect's wing is folded, whether the |
| 3153.627 | of high physiological importance—those | which serve to preserve life under the most |
| 3159.334 | anterior limbs, between the dugong, | which is a pachydermatous animal, and the |
| 3159.802 | hardly more fanciful than the analogies | which have been drawn by some authors between |
| 3167.113 | genera, tend to inherit the advantages, | which made the groups to which they belong |
| 3167.138 | advantages, which made the groups to | which they belong large and their parents |
| 3173.583 | must be the number of connecting forms | which on my theory have been exterminated and |
| 3173.864 | very distinct from each other, | which again implies extinction. The genera |
| 3179.261 | to Marsupials; but in the points in | which it approaches this order, its relations |
| 3179.658 | off from some very ancient Marsupial, | which will have had a character in some |
| 3185.162 | complex and radiating affinities by | which all the members of the same family or |
| 3185.913 | understand the extraordinary difficulty | which naturalists have experienced in |
| 3185.1016 | of a diagram, the various affinities | which they perceive between the many living |
| 3187.375 | of life have been utterly lost, through | which the early progenitors of birds were |
| 3187.555 | entire extinction of the forms of life | which once connected fishes with batrachians |
| 3191.139 | no means made them; for if every form | which has ever lived on this earth were |
| 3191.260 | quite impossible to give definitions by | which each group could be distinguished from |
| 3191.617 | eleven Silurian genera, some of | which have produced large groups of modified |
| 3191.1006 | impossible to give any definition by | which the several members of the several |
| 3191.1808 | collecting all the forms in any class | which have lived throughout all time and |
| 3195.250 | can separate and define the groups to | which such types belong.
Finally, we have |
| 3197.46 | we have seen that natural selection, | which results from the struggle for existence |
| 3197.97 | from the struggle for existence, and | which almost inevitably induces extinction |
| 3197.679 | descent is the hidden bond of connexion | which naturalists have sought under the term |
| 3197.1016 | c., we can understand the rules | which we are compelled to follow in our |
| 3215.554 | or multiplication of others,—variations | which we know to be within the limits of |
| 3217.1063 | animals, and in flowers, that organs, | which when mature
[page] 437 CHAP. XIII |
| 3223.546 | purposes? Why should one crustacean, | which has an extremely complex mouth formed |
| 3237.126 | a crab retaining numerous characters, | which they would probably have retained |
| 3239.89 | that certain organs in the individual, | which when mature become widely different and |
| 3241.28 | The points of structure, in | which the embryos of widely different animals |
| 3245.217 | similar conditions,—in the young mammal | which is nourished in the womb of its mother |
| 3245.286 | of its mother, in the egg of the bird | which is hatched in a nest, and in the spawn |
| 3245.722 | or are related to the conditions to | which they are exposed.
The case, however |
| 3247.1043 | the pedunculated and sessile, | which differ widely in external appearance |
| 3251.592 | eye, and a probosciformed mouth, with | which they feed largely, for they increase |
| 3251.1061 | powers of swimming, a proper place on | which to become attached and to undergo their |
| 3251.1781 | for the male is a mere sack, | which lives for a short time, and is |
| 3257.204 | parts in the same indivividual embryo, | which ultimately become very unlike and serve |
| 3261.168 | than the mature animal, into | which it is developed. I believe that all |
| 3263.928 | been affected by the conditions to | which either parent, or their ancestors, have |
| 3263.1144 | in life; as when an hereditary disease, | which appears in old age alone, has been |
| 3267.90 | not signify, for instance, to a bird | which obtained its food best by having a long |
| 3267.337 | the many successive modifications, by | which each species has acquired its present |
| 3269.448 | But further than this, variations | which, for all that we can see, might have |
| 3269.737 | taking the word in the largest sense) | which have supervened at an earlier age in |
| 3283.486 | that the characteristic differences | which give value to each breed, and which |
| 3283.522 | which give value to each breed, and | which have been accumulated by man's |
| 3283.751 | the case of the short-faced tumbler, | which when twelve hours old had acquired its |
| 3285.262 | from some one parent-species, and of | which the several new species have become |
| 3289.272 | classes. The fore-limbs, for instance, | which served as legs in the parent-species |
| 3289.1216 | will mainly affect the mature animal, | which has come to its full powers of activity |
| 3291.83 | might supervene, from causes of | which we are wholly ignorant, at a very early |
| 3291.211 | at an earlier period than that at | which it first appeared. In either case (as |
| 3295.1678 | become fitted for sites or habits, in | which organs of locomotion or of the senses |
| 3297.47 | the organic beings, extinct and recent, | which
[page] 449 CHAP. XIII. EMBRYOLOGY |
| 3301.285 | on my view the hidden bond of connexion | which naturalists have been seeking under the |
| 3301.1713 | be proved true in those cases alone in | which the ancient state, now supposed to be |
| 3305.104 | at an earlier period than that at | which they first appeared. It should also be |
| 3307.58 | to me, the leading facts in embryology, | which are second in importance to none in |
| 3309.575 | the presence of teeth in fœtal whales, | which when grown up have not a tooth in their |
| 3309.655 | their heads; and the presence of teeth, | which never cut through the gums, in the |
| 3315.203 | most closely in all respects, one of | which will have full-sized wings, and another |
| 3321.65 | in some Compositæ, the male florets, | which of course cannot be fecundated, have a |
| 3321.118 | cannot be fecundated, have a pistil, | which is in a rudimentary state, for it is |
| 3323.181 | closely allied species, the degree to | which the same organ has been rendered |
| 3323.479 | animal or plant no trace of an organ, | which analogy would lead us to expect to find |
| 3323.530 | would lead us to expect to find, and | which is occasionally found in monstrous |
| 3331.167 | for the same reasoning power | which tells us plainly that most parts and |
| 3331.1020 | can we suppose that the minute papilla, | which often represents the pistil in male |
| 3331.1075 | the pistil in male flowers, and | which is formed merely of cellular tissue |
| 3331.1187 | that the formation of rudimentary teeth | which are subsequently absorbed, can be of |
| 3337.1001 | of birds inhabiting oceanic islands, | which have seldom been forced to take flight |
| 3339.24 | rudimentary.
Any change in function, | which can be effected by insensibly small |
| 3343.958 | explained in a former chapter, by | which the materials forming any part or |
| 3345.101 | in every part of the organisation, | which has long existed, to be inherited—we |
| 3345.491 | useless in the pronunciation, but | which serve as a clue in seeking for its |
| 3351.170 | that the nature of the relationship, by | which all living and extinct beings are |
| 3351.766 | of the common parentage of those forms | which are considered by naturalists as allied |
| 3359.300 | embryo of the homologous parts, | which when matured will become widely |
| 3359.578 | as possible. Larvæ are active embryos, | which have become specially modified in |
| 3361.38 | Finally, the several classes of facts | which have been considered in this chapter |
| 3361.192 | and families of organic beings, with | which this world is
[page] 458 SUMMARY. CHAP |
| 3378.701 | perfection of any organ or instinct, | which we may consider, either do now exist or |
| 3384.78 | of species when first crossed, | which forms so remarkable a contrast with the |
| 3384.277 | given at the end of the eighth chapter, | which seem to me conclusively to show that |
| 3390.10 | CHAP. XIV. RECAPITULATION.
varieties | which have been experimentised on have been |
| 3398.641 | climatal and geographical changes | which have affected the earth during modern |
| 3404.101 | supplanted form. Even on a wide area, | which has during a long period remained |
| 3404.160 | long period remained continuous, and of | which the climate and other conditions of |
| 3404.611 | shown that the intermediate varieties | which will at first probably exist in the |
| 3404.882 | rate than the intermediate varieties, | which exist in lesser numbers; so that the |
| 3406.489 | and forcible of the many objections | which may be urged against my theory. Why |
| 3412.473 | generations of countless species | which certainly have existed. We should not |
| 3412.904 | existing doubtful forms could be named | which are probably varieties; but who will |
| 3418.250 | but that it is imperfect to the degree | which I require, few will be inclined to |
| 3418.435 | and they have changed in the manner | which my theory requires, for they have |
| 3420.65 | chief objections and difficulties | which may justly be urged against my theory |
| 3420.176 | the answers and explanations | which can be given to them. I have felt these |
| 3424.110 | objections relate to questions on | which we are confessedly ignorant; nor do we |
| 3426.793 | reason to believe that a modification, | which has already been inherited for many |
| 3434.46 | is no obvious reason why the principles | which have acted so efficiently under |
| 3434.396 | the high geometrical ratio of increase | which is common to all organic beings. This |
| 3434.704 | A grain in the balance will determine | which individual shall live and which shall |
| 3434.736 | which individual shall live and | which shall die,—which variety or species |
| 3434.753 | shall live and which shall die,— | which variety or species shall increase in |
| 3434.808 | species shall increase in number, and | which shall decrease, or finally become |
| 3438.469 | or during any season, over those with | which it comes into competition, or better |
| 3440.164 | The most vigorous individuals, or those | which have most successfully struggled with |
| 3446.42 | admitted the existence of varieties, | which they think sufficiently distinct to be |
| 3446.341 | how naturalists differ in the rank | which they assign to the many representative |
| 3450.287 | special acts of creation, and varieties | which are acknowledged to have been produced |
| 3454.347 | the species of the larger genera, | which afford the greater number of varieties |
| 3454.722 | in little groups round other species—in | which respects they resemble varieties. These |
| 3460.531 | groups, all within a few great classes, | which we now see everywhere around us, and |
| 3460.574 | we now see everywhere around us, and | which has prevailed throughout all time. This |
| 3462.232 | the canon of "Natura non facit saltum," | which every fresh addition to our knowledge |
| 3464.207 | on the ground; that upland geese, | which never or rarely swim, should have been |
| 3472.104 | as far as we can see, with the laws | which have governed the production of so |
| 3476.63 | instance, at the logger-headed duck, | which has wings incapable of flight, in |
| 3476.197 | when we look at the burrowing tucutucu, | which is occasionally blind, and then at |
| 3476.253 | blind, and then at certain moles, | which are habitually blind and have their |
| 3478.120 | the specific characters, or those by | which the species of the same genus differ |
| 3478.228 | variable than the generic characters in | which they all agree? Why, for instance |
| 3478.570 | are only well-marked varieties, of | which the characters have become in a high |
| 3478.764 | progenitor in certain characters, by | which they have come to be specifically |
| 3482.106 | be variable than the generic characters | which have been inherited without change for |
| 3484.614 | we see, in the case of neuter insects, | which leave no progeny to inherit the effects |
| 3492.387 | species and of whole groups of species, | which has played so conspicuous a part in the |
| 3496.363 | of common parents. As the groups | which have descended from an ancient |
| 3502.80 | the full meaning of the wonderful fact, | which must have struck every traveller |
| 3504.205 | We can clearly see why those animals | which cannot cross wide spaces of ocean, as |
| 3504.378 | hand, new and peculiar species of bats, | which can traverse the ocean, should so often |
| 3516.358 | is a genealogical arrangement, in | which we have to discover the lines of |
| 3518.594 | modification of parts or organs, | which were alike in the early progenitor of |
| 3518.1089 | running in loops, like those in a fish | which has to breathe the air dissolved in |
| 3524.441 | for instance, has inherited teeth, | which never cut through the gums of the upper |
| 3524.1390 | structures, her scheme of modification, | which it seems that we wilfully will not |
| 3526.60 | the chief facts and considerations | which have thoroughly convinced me that |
| 3532.182 | slow in admitting any great change of | which we do not see the intermediate steps |
| 3538.805 | only thus can the load of prejudice by | which this subject is overwhelmed be removed |
| 3540.301 | They admit that a multitude of forms, | which till lately they themselves thought |
| 3540.371 | thought were special creations, and | which are still thus looked at by the |
| 3540.438 | at by the majority of naturalists, and | which consequently have every external |
| 3540.731 | they can define, or even conjecture, | which are the created forms of life, and |
| 3540.772 | are the created forms of life, and | which are those produced by secondary laws |
| 3546.155 | because the more distinct the forms are | which we may consider, by so much the |
| 3552.636 | that probably all the organic beings | which have ever lived on this earth have |
| 3552.723 | from some one primordial form, into | which life was first breathed.
When the |
| 3560.484 | every production of nature as one | which has had a history; when we contemplate |
| 3566.860 | genealogies, by characters of any kind | which have long been inherited. Rudimentary |
| 3566.1016 | Species and groups of species, | which are called aberrant, and which may |
| 3566.1047 | species, which are called aberrant, and | which may fancifully be called living fossils |
| 3572.141 | means of migration, then, by the light | which geology now throws, and will continue |
| 3574.704 | contemporaneous two formations, | which include few identical species, by the |
| 3574.1001 | of all causes of organic change is one | which is almost independent of altered and |
| 3578.967 | of time, compared with the ages | which have elapsed since the first creature |
| 3582.504 | lineal descendants of some few beings | which lived long before the
[page] 489 CHAP |
| 3586.333 | far distant futurity; for the manner in | which all organic beings are grouped, shows |
| 3586.687 | to the larger and dominant groups, | which will ultimately prevail and procreate |
| 3586.825 | are the lineal descendants of those | which lived long before the Silurian epoch |
| 3588.483 | Growth with Reproduction; Inheritance | which is almost implied by reproduction |
| 3592.302 | and death, the most exalted object | which we are capable of conceiving, namely |
| 4830.71 | Being those Portions of the above work | which relate to the BRITISH CONSTITUTION and |
| 4962.37 | Military Operations in Kaffraria, | which led to the Termination of the Kaffir |
| 5120.68 | a Selection from the LITERARY PAPERS | which have appeared in that Journal. 7th |
| 5588.83 | with Remarks on its Antiquities; to | which is added, the Demi of Attica. Second |
| 5860.160 | Present State of every Title of Peerage | which has existed in this Country since the |
| 5884.81 | Angler, and the Miseries of Fishing. To | which is added, Maxims and Hints for a Chess |
| 5932.41 | S (JAMES) Insect Architecture. To | which are added Chapters on the Ravages, the |
| 5954.42 | A Memoir of the Remarkable Events | which attended the Accession of the Emperor |
6 | | | while | |
| 319.130 | and diversified. It is well worth | while carefully to study the several |
| 1070.12 | new sub-genera and genera.
It is worth | while to reflect for a moment on the |
| 2307.503 | my views. Hence it will be worth | while to sum up the foregoing remarks, under |
| 3129.16 | orders, and classes.
It may be worth | while to illustrate this view of |
| 5225.190 | Including his DIARY OF POLITICAL EVENTS | while First Lord of the Treasury. Edited |
| 6014.99 | GRENVILLE'S DIARY OF POLITICAL EVENTS, | while First Lord of the Treasury. Edited |
26 | | | whilst | |
| 337.846 | is, to lose their acquired characters, | whilst kept under unchanged conditions, and |
| 337.890 | kept under unchanged conditions, and | whilst kept in a considerable body, so that |
| 576.113 | attain the rank of species. They may | whilst in this incipient state become extinct |
| 741.1459 | the growth of the young seedling, | whilst struggling with other plants growing |
| 878.1371 | I raised plenty of seedlings; and | whilst another species of Lobelia growing |
| 1237.1305 | of things may be of almost any shape; | whilst a tool for some particular object had |
| 1249.455 | attended to Mr. Waterhouse's remark, | whilst investigating this Order, and I am |
| 1398.327 | on the shallow bed of the sea, | whilst it slowly subsides. These contingencies |
| 1398.436 | and after enormously long intervals. | Whilst the bed of the sea is stationary or is |
| 1626.204 | function, the one having been perfected | whilst aided by the other, must often have |
| 1795.93 | there is any difficulty in the bees, | whilst at work on the two sides of a strip of |
| 2157.300 | for a very long period unaltered, | whilst its descendants had undergone a vast |
| 2279.866 | derived, and thus diminish the supply | whilst the downward movement continues. In |
| 2315.368 | would be either stationary or rising; | whilst rising, each fossiliferous formation |
| 2418.265 | sediment having been deposited on areas | whilst subsiding, our formations have been |
| 2576.787 | at a corresponding age. This process, | whilst it leaves the embryo almost unaltered |
| 2717.739 | majority sank quickly, but some which | whilst green floated for a very short time |
| 2753.552 | the long lapse of geological time, | whilst an island was being upheaved and formed |
| 2767.333 | and higher, as the warmth increased, | whilst their brethren were pursuing their |
| 2787.375 | period, before the Glacial epoch, and | whilst the majority of the inhabitants of the |
| 2904.1195 | the seeds might be dropped by the bird | whilst feeding its young, in the same way as |
| 3038.524 | should be absent from oceanic islands, | whilst the most isolated islands possess their |
| 3044.959 | find that some organisms differ little, | whilst others belonging to a different class |
| 3129.559 | had given rise to few new languages, | whilst others (owing to the spreading and |
| 3578.248 | remain for a long period unchanged, | whilst within this same period, several of |
| 3592.539 | into a few forms or into one; and that, | whilst this planet has gone cycling on |
1 | | | whimsical | |
| 313.580 | Some instances of correlation are quite | whimsical: thus
[page] 12 VARIATION.
cats with |
1 | | | whirling | |
| 816.1092 | described as fighting, bellowing, and | whirling round, like Indians in a war-dance, for |
1 | | | whirlwinds | |
| 2886.390 | of the live fish not rarely dropped by | whirlwinds in India, and the vitality of their ova |
20 | | | white | |
| 317.223 | collected by Heusinger, it appears that | white sheep and pigs are differently affected |
| 399.123 | pigeon is of a slaty-blue, and has a | white rump (the Indian sub-species, C |
| 399.300 | outer feathers externally edged with | white; the wings have two black bars; some |
| 399.662 | birds, all the above marks, even to the | white edging of the outer tail-feathers |
| 399.990 | for instance, I crossed some uniformly | white fantails with some uniformly black |
| 399.1150 | and one grandchild of the pure | white fantail and pure black barb was of as |
| 399.1228 | of as beautiful a blue colour, with the | white rump, double black wing-bar, and barred |
| 792.285 | mottled-grey; the alpine ptarmigan | white in winter, the red-grouse the colour of |
| 796.54 | persons are warned not to keep | white pigeons, as being the most liable to |
| 796.485 | how essential it is in a flock of | white sheep to destroy every lamb with the |
| 1299.154 | with two black bars on the wings, a | white
[page] 160 LAWS OF VARIATION. CHAP. V |
| 1303.99 | externally edged near their bases with | white. As all these marks are characteristic |
| 1323.624 | very variable in length and outline. A | white ass, but not an albino, has been |
| 1689.1092 | he points to aid his master, than the | white butterfly knows why she lays her eggs |
| 2070.279 | as Gärtner: namely, that yellow and | white varieties of the same species of |
| 2074.11 | FERTILITY OF MONGRELS.
yellow and | white varieties of one species are crossed |
| 2074.70 | one species are crossed with yellow and | white varieties of a distinct species, more |
| 2755.594 | more remarkable, that the plants on the | White Mountains, in the United States of |
| 4022.45 | Sir R., on peacocks, 89. Heusinger on | white animals not poisoned by certain plants |
| 4568.26 | fossil, 303.
Wheat, varieties of, 113. | White Mountains, flora of, 365.
Wings |
1 | | | white-edged | |
| 399.1278 | double black wing-bar, and barred and | white-edged tail-feathers, as any wild rock-pigeon |
1 | | | whitefriars | |
| 6154.30 | s. each.
BRADBURY AND EVANS, PRINTERS, | WHITEFRIARS.
[page break]
[page break]
[inside |
1 | | | whitwell | |
| 4632.67 | with a New Life and Notes. By Rev. | WHITWELL ELWIN. 4 Vols. 8vo. In Preparation |
1 | | | whoever | |
| 3538.644 | of the question with impartiality. | Whoever is led to believe that species are |
140 | | | whole | |
| 264.78 | the doctrine of Malthus, applied to the | whole animal and vegetable kingdoms. As many |
| 270.28 | brief recapitulation of the | whole work, and a few concluding remarks.
No |
| 311.296 | of the leg more, in proportion to the | whole skeleton, than do the same bones in the |
| 319.438 | differ slightly from each other. The | whole organisation seems to have become |
| 325.818 | Perhaps the correct way of viewing the | whole subject, would be, to look at the |
| 359.4 | may not have existed in Egypt?
The | whole subject must, I think, remain vague |
| 365.1078 | in the case of the domestic dogs of the | whole world, which I fully admit have |
| 395.363 | we may look in vain throughout the | whole great family of Columbidæ for a beak |
| 399.538 | together in any other species of the | whole family. Now, in every one of the |
| 463.64 | selection, and by careful training, the | whole body of English racehorses have come to |
| 582.802 | are fairly well established. The | whole subject, however, treated as it |
| 645.731 | in the mind, I am convinced that the | whole economy of nature, with every fact on |
| 653.766 | applied with manifold force to the | whole animal and vegetable kingdoms; for in |
| 661.701 | which have become common throughout | whole islands in a period of less than ten |
| 673.14 | RATE OF INCREASE. III.
conditions, a | whole district, let it be ever so large. The |
| 693.378 | we are tempted to attribute the | whole effect to its direct action. But this |
| 719.967 | I have very little doubt, that if the | whole genus of humble-bees became
[page |
| 766.511 | it may be truly said that the | whole organisation becomes in some degree |
| 784.376 | of constitutional difference, on the | whole machinery of life. Man selects only for |
| 788.212 | with those accumulated by nature during | whole geological periods. Can we wonder, then |
| 810.549 | structure used only once in an animal's | whole life, if of high importance to it |
| 846.1839 | stamens alone in one flower or on one | whole plant, and pistils alone in
[page |
| 856.55 | visited by humble-bees alone; so that | whole fields of the red clover offer in vain |
| 898.215 | closely with each other in almost their | whole organisation, yet are not rarely, some |
| 930.110 | the production of new species, on the | whole I am inclined to believe that largeness |
| 1048.928 | So it probably will be with many | whole collateral lines of descent, which will |
| 1104.1322 | of various sizes may represent those | whole orders, families, and genera which have |
| 1191.7 | appeared to be than others.
On the | whole, I think we may conclude that habit |
| 1197.58 | I mean by this expression that the | whole organisation is so tied together during |
| 1197.583 | the early embryo, seriously affects the | whole organisation of the adult. The several |
| 1219.88 | growth, structures which are common to | whole groups of species, and which in truth |
| 1219.405 | having been transmitted to a | whole group of descendants with diverse |
| 1219.603 | correlations, occurring throughout | whole orders, are entirely due to the manner |
| 1231.875 | and protected Proteolepas, the | whole anterior part of the head is reduced to |
| 1245.1094 | not here apply, because there is a | whole group of bats having wings; it would |
| 1257.484 | domestic animals, if any part, or the | whole animal, be neglected and no selection |
| 1257.602 | the comb in the Dorking fowl) or the | whole breed will cease to have a nearly |
| 1293.479 | may be developed, if it be common to a | whole group of species;—that the great |
| 1357.1073 | variable than those which have their | whole organisation more specialised, and are |
| 1357.1758 | that the same principle applies to the | whole individual; for in a district where |
| 1536.186 | These cirripedes have no branchiæ, the | whole surface of the body and sack, including |
| 1560.62 | are much too ignorant in regard to the | whole economy of any one organic being, to |
| 1598.363 | by each part, each will be found on the | whole advantageous. After the lapse of time |
| 1606.448 | the insect's own death: for if on the | whole the power of stinging be useful to the |
| 1649.328 | a difficulty sufficient to overthrow my | whole theory. I must premise, that I have |
| 1695.286 | a cross with a greyhound has given to a | whole family of shepherd-dogs a tendency to |
| 1701.451 | I presume that we must attribute the | whole of the inherited change from extreme |
| 1801.640 | deepen each cell. They do not make the | whole three-sided pyramidal base of any one |
| 1837.321 | insuperable, and actually fatal to my | whole theory. I allude to the neuters or |
| 1950.908 | namely Mr. Blyth and Capt. Hutton, that | whole flocks of these crossed geese are kept |
| 1986.527 | of any recognisable difference in their | whole organisation. On the other hand, these |
| 2032.510 | extent with systematic affinity, for | whole groups of animals and plants are |
| 2032.605 | by the same unnatural conditions; and | whole groups of species tend to produce |
| 2060.1202 | during vast periods of time on the | whole organisation, in any way which may be |
| 2110.951 | slowly and naturally produced. On the | whole I entirely agree with Dr. Prosper Lucas |
| 2126.208 | which have had this system and their | whole organisation disturbed by being |
| 2155.272 | The common parent will have had in its | whole organisation much general resemblance |
| 2213.1197 | yard in height to be eaten back along a | whole line of coast at the rate of one yard |
| 2213.1642 | degradation at the same time along its | whole indented length; and we must remember |
| 2217.32 | of one inch per century for the | whole length would be an ample allowance. At |
| 2221.168 | During each of these years, over the | whole world, the land and the water has been |
| 2227.378 | is being deposited over nearly the | whole bed of the sea, at a rate sufficiently |
| 2241.449 | a short geological period. Along the | whole west coast, which is inhabited by a |
| 2261.95 | that the geological record, viewed as a | whole, is extremely imperfect; but if we |
| 2273.786 | period, which forms only a part of one | whole geological period; and likewise to |
| 2273.1155 | within the same area during the | whole of this period. It is not, for instance |
| 2273.1250 | that sediment was deposited during the | whole of the glacial period near the mouth of |
| 2279.404 | live on the same area throughout this | whole time. But we have seen that a thick |
| 2281.53 | that each separate formation, like the | whole pile of formations in any country, has |
| 2285.1387 | not lived on the same spot during the | whole period of deposition, but have |
| 2311.0 | IMPERFECTION OF THE CHAP. IX.
| whole world in organic beings; yet if all the |
| 2317.86 | one great period of subsidence over the | whole or part of the archipelago, together |
| 2331.28 | my theory.
On the sudden appearance of | whole groups of Allied Species.—The abrupt |
| 2331.87 | Species.—The abrupt manner in which | whole groups of species suddenly appear in |
| 2339.117 | we are to error in supposing that | whole groups of species have suddenly been |
| 2351.97 | the apparently sudden appearance of a | whole group of species, is that of the |
| 2351.496 | teleostean. Assuming, however, that the | whole of them did appear, as Agassiz believes |
| 2365.177 | as, or probably far longer than, the | whole interval from the Silurian age to the |
| 2385.217 | existed; the sudden manner in which | whole groups of species appear in our |
| 2438.48 | from the world. Both single species and | whole groups of species last for very unequal |
| 2438.888 | cases, however, the extermination of | whole groups of beings, as of ammonites |
| 2440.4 | has been wonderfully sudden.
The | whole subject of the extinction of species |
| 2440.663 | South America, has run wild over the | whole country and has increased in numbers at |
| 2444.895 | in a very few years have stocked the | whole continent. But we could not have told |
| 2460.55 | the apparently sudden extermination of | whole families or orders, as of Trilobites at |
| 2466.64 | the manner in which single species and | whole groups of species become extinct |
| 2466.514 | action, yet seldom perceived by us, the | whole economy of nature will be utterly |
| 2480.456 | as measured by years, including the | whole glacial epoch), were to be compared |
| 2486.521 | depend on general laws which govern the | whole animal kingdom." M. Barrande has made |
| 2498.241 | be allied in groups by inheritance, | whole groups would tend slowly to disappear |
| 2514.779 | system. With respect to the Vertebrata, | whole pages could be filled with striking |
| 2514.1096 | links, that he has had to alter the | whole classification of these two orders; and |
| 2552.90 | that the fauna of each period as a | whole is nearly intermediate in character |
| 2562.392 | pleistocene period, which includes the | whole glacial period, and note how little the |
| 2596.1310 | the other old species and the other | whole genera having become utterly extinct |
| 2604.90 | record, will rightly reject my | whole theory. For he may ask in vain where |
| 2608.222 | falsely apparent, sudden coming in of | whole groups of species. He may ask where are |
| 2614.305 | earth. But the utter extinction of a | whole group of species may often be a very |
| 2624.287 | that organisation on the | whole has progressed. If it should hereafter |
| 2663.1550 | how it is that sections of genera, | whole genera,
[page] 351 CHAP. XI. SINGLE |
| 2671.293 | species, which have undergone during | whole geological periods but little |
| 2699.355 | on simultaneously changing, and the | whole amount of modification will not have |
| 2735.630 | Some hawks and owls bolt their prey | whole, and after an interval of from twelve |
| 2749.1268 | or two land-birds are blown across the | whole Atlantic Ocean, from North America to |
| 2817.847 | believing that the temperature of the | whole world was at this period simultaneously |
| 2819.20 | of longitude.
On this view of the | whole world, or at least of broad |
| 2835.147 | body of geological evidence, that the | whole world, or a large part of it, was |
| 2849.246 | from geological evidence that the | whole body of arctic shells underwent |
| 2938.31 | trees.
With respect to the absence of | whole orders on
[page] 393 CHAP. XII |
| 2960.186 | or sections of classes,—the absence of | whole groups, as of batrachians, and of |
| 3004.250 | has given the same general forms to the | whole world. We see this same principle in |
| 3018.543 | relation of the inhabitants of each | whole archipelago or island to those of the |
| 3028.212 | convinced simultaneously affected the | whole world, or at least great meridional |
| 3038.418 | quarters of the world. We can see why | whole groups of organisms, as batrachians and |
| 3075.756 | though so intimately connected with the | whole life of the being, are ranked as merely |
| 3075.1517 | organs of vegetation, on which their | whole life depends, are of little |
| 3089.213 | highly serviceable in the definition of | whole groups. For instance, whether or not |
| 3123.1532 | descendants of the genus F, along its | whole line of descent, are supposed to have |
| 3145.610 | to be classed under the bear genus. The | whole case is preposterous; for where there |
| 3185.270 | together. For the common parent of a | whole family of species, now broken up by |
| 3187.210 | account even for the distinctness of | whole classes from each other—for instance |
| 3203.333 | of the class are homologous. The | whole subject is included under the general |
| 3211.1125 | of the limbs throughout the | whole class. So with the mouths of insects |
| 3229.228 | the most diverse purposes. And as the | whole amount of modification will have been |
| 3255.523 | visible in the embryo. And in some | whole groups of animals and in certain |
| 3289.210 | of pigeons. We may extend this view to | whole families or even classes. The fore |
| 3295.94 | is the rule of development in certain | whole groups of animals, as with cuttle-fish |
| 3337.393 | in young animals,—and the state of the | whole flower in the cauliflower. We often see |
| 3376.8 | history—Concluding remarks.
AS this | whole volume is one long argument, it may be |
| 3382.372 | that any organ or instinct, or any | whole being, could not have arrived at its |
| 3406.542 | urged against my theory. Why, again, do | whole groups of allied species appear, though |
| 3448.528 | long ages and rigidly scrutinising the | whole constitution, structure, and habits of |
| 3492.362 | The extinction of species and of | whole groups of species, which has played so |
| 3502.831 | zones, though separated by the | whole intertropical ocean. Although two areas |
| 3544.768 | on their own side they ignore the | whole subject of the first appearance of |
| 3546.301 | extend very far. All the members of | whole classes can be connected together by |
| 3546.761 | in the descendants. Throughout | whole classes various structures are formed |
| 3572.361 | migrations of the inhabitants of the | whole world. Even at present, by comparing |
| 3578.787 | been slow in an extreme degree. The | whole history of the world, as at present |
| 3586.1000 | and that no cataclysm has desolated the | whole world. Hence we may look with some |
45 | | | wholly | |
| 337.502 | they would to a large extent, or even | wholly, revert to the wild aboriginal stock |
| 707.791 | numbers of the heath-plants were | wholly changed, but twelve species of plants |
| 723.90 | red clover would become very rare, or | wholly disappear. The number of humble-bees in |
| 804.1023 | an insect to a score of contingencies, | wholly different from those which concern the |
| 812.302 | to the other sex, or in relation to | wholly different habits of life in the two |
| 908.103 | object, and free intercrossing will | wholly stop his work. But when many men |
| 948.874 | several causes are amply sufficient | wholly to stop the action of natural selection |
| 1119.216 | due to chance. This, of course, is a | wholly incorrect expression, but it serves to |
| 1149.86 | modifications of structure which are | wholly, or mainly, due to natural selection |
| 1161.455 | in darkness, I attribute their loss | wholly to disuse. In one of the blind animals |
| 1217.760 | systematists as of high value, may be | wholly due to unknown laws of correlated |
| 1249.1086 | the different species being sometimes | wholly unlike in shape; and the amount of |
| 1380.160 | by the modification of some animal with | wholly different habits? Can we believe that |
| 1484.498 | the strictly terrestrial thrush family | wholly subsists by diving,—grasping the stones |
| 1522.230 | same organ performing at the same time | wholly distinct functions; thus the alimentary |
| 1522.666 | for one function alone, and thus | wholly change its nature by insensible steps |
| 1524.219 | may be converted into one for a | wholly different purpose, namely respiration |
| 1530.590 | the higher Vertebrata the branchiæ have | wholly disappeared-the slits on the sides of |
| 1628.304 | believe that many modifications, | wholly due to the laws of growth, and at first |
| 1681.251 | inhabited, but often from causes | wholly unknown to us: Audubon has given |
| 1703.1145 | other hand, young chickens have lost, | wholly by habit, that fear of the dog and cat |
| 1825.1803 | have seen, the spherical surfaces would | wholly disappear, and would all be replaced by |
| 1877.810 | discussed this case, at some little but | wholly insufficient length, in order to show |
| 1885.644 | of our distinct Kitty-wrens,—a habit | wholly unlike that of any other known bird |
| 2149.274 | between them. But this is a | wholly false view; we should always look for |
| 2227.91 | every year in Europe prove. No organism | wholly soft can be preserved. Shells and bones |
| 2267.803 | rash to suppose that it then became | wholly extinct. We forget how small the area |
| 2367.1072 | If these most ancient beds had been | wholly worn away by denudation, or obliterated |
| 2450.37 | been exterminated, either locally or | wholly, through man's agency. I may repeat |
| 2472.1054 | to the Old and New Worlds be kept | wholly out of view, the general parallelism in |
| 2544.227 | in a satisfactory manner. And they are | wholly inexplicable on any other view.
On |
| 2596.278 | These huge animals have become | wholly extinct, and have left no progeny. But |
| 2608.729 | period, the world may have presented a | wholly different aspect; and that the older |
| 2614.472 | situations. When a group has once | wholly disappeared, it does not reappear; for |
| 2651.820 | either of land or open sea, they are | wholly distinct. On the other hand, proceeding |
| 2713.358 | facilities may be said to be almost | wholly unknown. Until I tried, with Mr |
| 2849.398 | northward, the case may have been | wholly different with those intruding forms |
| 2994.385 | another, it will in a very brief time | wholly or in part supplant it; but if both are |
| 3275.608 | between these two breeds has been | wholly caused by selection under domestication |
| 3291.96 | supervene, from causes of which we are | wholly ignorant, at a very early period of |
| 3325.158 | detected in the embryo, but afterwards | wholly disappear. It is also, I believe, a |
| 3343.830 | the rudimentary part would tend to be | wholly lost, and we should have a case of |
| 3394.466 | one part to the others. We are often | wholly unable
[page] 462 RECAPITULATION. CHAP |
| 3426.1018 | it has once come into play, does not | wholly cease; for new varieties are still |
| 3560.402 | savage looks at a ship, as at something | wholly beyond his comprehension; when we |
2 | | | whorls | |
| 3225.341 | we see a series of successive spiral | whorls of leaves. An indefinite repetition of |
| 3225.720 | of flowering plants, many spiral | whorls of leaves. We have formerly seen that |
12 | | | whose | |
| 359.816 | from one wild stock. Mr. Blyth, | whose opinion, from his large and varied |
| 419.608 | with whom I have ever conversed, or | whose treatises I have read, are firmly |
| 713.662 | Hence, if certain insectivorous birds ( | whose numbers are probably regulated by hawks |
| 1213.202 | ray-florets serve to attract insects, | whose agency is highly advantageous in the |
| 1695.593 | for example, Le Roy describes a dog, | whose great-grandfather was a wolf, and this |
| 1729.127 | to the species, and if the insect | whose nest and stored food are thus |
| 2078.11 | present analogous facts.
Kölreuter, | whose accuracy has been confirmed by every |
| 2086.229 | in several other respects. Gärtner, | whose strong wish was to draw a marked line |
| 2267.191 | I am aware that two palæontologists, | whose opinions are worthy of much deference |
| 2434.470 | de Beaumont, Murchison, Barrande, &c., | whose general views would naturally lead them |
| 3534.165 | to convince experienced naturalists | whose minds are stocked with a multitude of |
| 3538.174 | when we only restate a fact. Any one | whose disposition leads him to attach more |
98 | | | widely | |
| 160.215 | the same species — Species with habits | widely different from those of their allies |
| 272.283 | Who can explain why one species ranges | widely and is very numerous, and why another |
| 343.1310 | correct; but naturalists differ most | widely in determining what characters are of |
| 499.707 | gradual process, they will spread more | widely, and will get recognised as something |
| 566.536 | forms. But if his observations be | widely extended, he will in the end generally |
| 584.504 | and the species which are most | widely diffused within their own country (and |
| 588.18 | VARY MOST. CHAP. II.
those which range | widely over the world, are the most diffused |
| 594.20 | GENERA VARIABLE.
generally much more | widely diffused than plants higher in the |
| 594.182 | cause of lowly-organised plants ranging | widely will be discussed in our chapter on |
| 741.849 | other plants; so that the seeds may be | widely distributed and fall on unoccupied |
| 804.710 | a plant to have its seeds more and more | widely disseminated by the wind, I can see no |
| 930.306 | for a long period, and of spreading | widely. Throughout a great and open area, not |
| 934.1203 | will be those that will spread most | widely, will give rise to most new varieties |
| 940.727 | connect to a certain extent orders now | widely separated in the natural scale. These |
| 942.468 | likely to endure long and to spread | widely. For the area will first have existed |
| 978.320 | be better enabled to seize on many and | widely diversified places in the polity of |
| 1002.212 | general economy of any land, the more | widely and perfectly the animals and plants |
| 1046.363 | have the best chance of filling new and | widely different places in the polity of |
| 1056.372 | also supposed to be very common and | widely diffused species, so that they must |
| 1060.385 | will be allied to each other in a | widely different manner. Of the eight |
| 1060.838 | of the process of modification, will be | widely different from the other five species |
| 1078.558 | from a different parent, will differ | widely from the three genera descended from (A |
| 1183.168 | nature, could easily be brought to bear | widely different climates. We must not |
| 1257.1695 | individuals are born which depart | widely from the standard. There may be truly |
| 1281.280 | same group differ from each other more | widely in their secondary sexual characters |
| 1297.336 | breeds of pigeons, in countries most | widely apart, present sub-varieties with |
| 1374.205 | in the same species—Species with habits | widely different from those of their allies |
| 1476.311 | seen by Hearne swimming for hours with | widely open mouth, thus catching, like a whale |
| 1478.62 | of a species following habits | widely different from those both of their own |
| 1546.134 | a dozen fishes, of which several are | widely remote in their affinities. Generally |
| 1590.871 | now are to these animals having such | widely diversified habits. Therefore we may |
| 1837.432 | for these neuters often differ | widely in instinct and in structure from both |
| 1839.749 | lies in the working ants differing | widely from both the males and the fertile |
| 1871.244 | or all of small size with jaws having a | widely different structure; or lastly, and |
| 1873.123 | workers existing in the same nest, both | widely different from each other and from |
| 1938.394 | and plantaginea, species most | widely dissimilar in general habit |
| 1944.267 | then we may infer that animals more | widely separated in the scale of nature can be |
| 1982.185 | It can be shown that plants most | widely different in habit and general |
| 2006.1065 | the other deciduous, and adaptation to | widely different climates, does not always |
| 2048.522 | males and females which have become | widely or specifically different, produce |
| 2056.557 | so many domestic varieties, differing | widely from each other in appearance, for |
| 2078.183 | is more fertile, when crossed with a | widely distinct species, than are the other |
| 2100.46 | with a third species, the hybrids are | widely different from each other; whereas if |
| 2118.670 | is generally different, and sometimes | widely different, in reciprocal crosses |
| 2126.1210 | latter capacity evidently depends on | widely different circumstances-should all run |
| 2297.81 | than are the species found in more | widely separated formations; but to this |
| 2299.272 | that such local varieties do not spread | widely and supplant their parent-forms until |
| 2337.429 | would be able to spread rapidly and | widely throughout the world.
I will now give |
| 2351.1280 | in some one sea, might have spread | widely. Nor have we any right to suppose that |
| 2389.324 | life, entombed in our consecutive, but | widely separated formations. On this view, the |
| 2472.1152 | forms of life, in the stages of the | widely separated palæozoic and tertiary |
| 2488.652 | in their own homes, and are most | widely diffused, having produced the greatest |
| 2500.237 | formed by dominant species spreading | widely and varying; the new species thus |
| 2522.132 | by some of its characters groups now | widely separated from each other. This remark |
| 2536.807 | long and circuitous course through many | widely different forms. If many extinct forms |
| 2602.998 | in any one area and formation; that | widely ranging species are those which have |
| 2622.5 | be-
[page] 345 CHAP. X. SUMMARY.
come | widely divergent. Extinct forms are seldom |
| 2641.246 | of the Old and New Worlds, how | widely different are their living productions |
| 2749.80 | fact if many plants had not thus become | widely transported. These means of transport |
| 2809.586 | Zealand; and the same plants, found on | widely separated mountains in this island |
| 2867.0 | GEOGRAPHICAL DISTRIBUTION. CHAP. XI.
| widely dispersed to various points of the |
| 2880.156 | water productions would not have ranged | widely within the same country, and as the sea |
| 2882.53 | in fresh-water productions of ranging | widely, though so unexpected, can, I think, in |
| 2886.143 | same continent the species often range | widely and almost capriciously; for two river |
| 2954.565 | ocean; and this space separates two | widely distinct mammalian faunas. On either |
| 2988.1026 | on continents some species spreading | widely and remaining the same.
The really |
| 3000.550 | forms, chiefly of plants, have spread | widely throughout the world during the recent |
| 3010.146 | that some of the species range very | widely; for the facility with which widely |
| 3010.671 | of crossing barriers and ranging | widely, as in the case of certain powerfully |
| 3010.753 | winged birds, will necessarily range | widely; for we should never forget that to |
| 3010.802 | we should never forget that to range | widely implies not only the power of crossing |
| 3010.1229 | some at least of the species range very | widely; for it is necessary that the |
| 3010.1297 | that the unmodified parent should range | widely, undergoing modification during its |
| 3016.357 | have had a better chance of ranging | widely and of still retaining the same |
| 3016.747 | any group of organisms is, the more | widely it is apt to range.
The relations just |
| 3018.85 | slowly-changing organisms ranging more | widely than the high,—some of the species of |
| 3018.171 | ranging genera themselves ranging | widely,—such facts, as alpine, lacustrine, and |
| 3057.481 | matter, and so on; but the case is | widely different in nature; for it is |
| 3057.713 | I have attempted to show that it is the | widely ranging, the much diffused and common |
| 3081.922 | value, its classificatory value is | widely different. No naturalist can have |
| 3123.96 | same millionth degree; yet they differ | widely and in different degrees from each |
| 3123.775 | same degree in blood, has come to be | widely different. Nevertheless their |
| 3167.221 | they are almost sure to spread | widely, and to seize on more and more places |
| 3171.132 | higher groups are in number, and how | widely spread they are throughout the world |
| 3203.1182 | can be given to the homologous bones in | widely different animals. We see the same |
| 3223.800 | flower, though fitted for such | widely different purposes, be all constructed |
| 3239.114 | individual, which when mature become | widely different and serve for different |
| 3241.49 | of structure, in which the embryos of | widely different animals of the same class |
| 3247.1056 | pedunculated and sessile, which differ | widely in external appearance, have larvæ in |
| 3255.142 | a close similarity in the embryos of | widely different animals within the same class |
| 3255.628 | embryo does not at any period differ | widely from the adult: thus Owen has remarked |
| 3359.331 | parts, which when matured will become | widely different from each other in structure |
| 3412.1483 | at least in any great number. | Widely ranging species vary most, and |
| 3456.293 | as to be enabled to seize on many and | widely different places in the economy of |
| 3492.291 | after equal intervals of time, is | widely different in different groups. The |
| 3502.979 | no surprise at their inhabitants being | widely different, if they have been for a long |
| 3825.26 | Alph., on low plants, | widely dispersed, 406.
——, —, on widely |
| 4309.17 | distribution of, 386.
—, low in scale, | widely distributed, 406.
Plumage, laws of |
3 | | | widely-different | |
| 725.340 | In some cases it can be shown that | widely-different checks act on the same species in |
| 1279.126 | several species, fitted to more or less | widely-different habits, in exactly the same manner: and |
| 1869.531 | insensibly into each other, as does the | widely-different structure of their jaws. I speak |
4 | | | widely-diffused | |
| 1018.240 | which are the commonest and the most | widely-diffused, vary more than rare species with |
| 1018.330 | restricted ranges. Let (A) be a common, | widely-diffused, and varying species, belonging to a |
| 1034.50 | modified descendants from a common and | widely-diffused species, belonging to a large genus |
| 1098.40 | We have seen that it is the common, the | widely-diffused, and widely-ranging species, belonging |
1 | | | widely-distributed | |
| 3157.92 | into play in classing large and | widely-distributed genera, because all the species of the |
1 | | | widely-extended | |
| 2663.1108 | over many competitors in their own | widely-extended homes will have the best chance of |
5 | | | widely-ranging | |
| 1098.61 | is the common, the widely-diffused, and | widely-ranging species, belonging to the larger genera |
| 2663.994 | modification through natural selection. | Widely-ranging species, abounding in individuals |
| 3010.182 | widely; for the facility with which | widely-ranging species vary and give rise to new forms |
| 3018.130 | than the high,—some of the species of | widely-ranging genera themselves ranging widely,—such |
| 3826.10 | widely dispersed, 406.
——, —, on | widely-ranging plants being variable, 53.
—, —, on |
1 | | | widely-spread | |
| 3586.619 | foretel that it will be the common and | widely-spread species, belonging to the larger and |
1 | | | widened | |
| 3211.411 | bones of a limb might be shortened and | widened to any extent, and become gradually |
1 | | | widening | |
| 3187.96 | an important part in defining and | widening the intervals between the several |
8 | | | wider | |
| 331.310 | make me believe that the rule has a | wider extension, and that when there is no |
| 616.198 | for if a variety were found to have a | wider range than that of its supposed parent |
| 1183.605 | parts of the world, and now have a far | wider range than any other rodent, living |
| 1787.286 | these little pits, they made them | wider and wider until they were converted |
| 1787.296 | little pits, they made them wider and | wider until they were converted into shallow |
| 2293.465 | to find. Moreover, if we look to rather | wider intervals, namely, to distinct but |
| 2787.133 | been still more completely separated by | wider spaces of ocean. I believe the above |
| 2990.324 | by deep arms of the sea, in most cases | wider than the British Channel, and there is |
7 | | | widest | |
| 1986.255 | crossed. There is often the | widest possible difference in the facility of |
| 1998.269 | some difference, and occasionally the | widest possible difference, in the facility of |
| 2299.725 | with plants it is those which have the | widest range, that oftenest present varieties |
| 2299.858 | it is probably those which have had the | widest range, far exceeding the limits of the |
| 2657.226 | points and stations. It is a law of the | widest generality, and every continent offers |
| 2725.138 | even on those in the midst of the | widest oceans; and the natives of the coral |
| 3000.366 | fitted to their new homes,—is of the | widest application throughout nature. We see |
6 | | | width | |
| 381.572 | arms of the furcula. The proportional | width of the gape of mouth, the proportional |
| 1787.682 | basins had acquired the above stated | width (i.e. about the width of an ordinary |
| 1787.704 | the above stated width (i.e. about the | width of an ordinary cell), and were in depth |
| 2723.1085 | across a space of sea 900 miles in | width, and would then germinate. The fact of |
| 3277.291 | not here give details) of the beak, | width of mouth, length of nostril and of |
| 3277.977 | of difference—for instance, that of the | width of mouth—could hardly be detected in |
1 | | | wight.maps | |
| 5332.34 | s.
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1 | | | wild-duck | |
| 311.342 | skeleton, than do the same bones in the | wild-duck; and I presume that this change may be |
3 | | | wildness | |
| 1681.783 | this, even in England, in the greater | wildness of all our large birds than of our |
| 1681.930 | We may safely attribute the greater | wildness of our large birds to this cause; for |
| 1701.494 | of the inherited change from extreme | wildness to extreme tameness, simply to habit |
1 | | | wilfully | |
| 3524.1413 | of modification, which it seems that we | wilfully will not understand.
I have now |
1 | | | wilkie | |
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[page] 5
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1 | | | winds | |
| 1155.541 | saved by successfully battling with the | winds, or by giving up the attempt and rarely |
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| 2954.374 | a more or less modified condition. Mr. | Windsor Earl has made some striking |
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1 | | | wing-bar | |
| 399.1253 | with the white rump, double black | wing-bar, and barred and white-edged tail |
1 | | | wing-cases | |
| 3313.227 | of flight, and not rarely lying under | wing-cases, firmly soldered together!
The meaning |
2 | | | wing-covers | |
| 1530.1032 | are homologous with the wings and | wing-covers of insects, it is probable that organs |
| 3524.1170 | the shrivelled wings under the soldered | wing-covers of some beetles, should thus so |
7 | | | winged | |
| 836.410 | to Mr. St. John, bringing home | winged game, another hares or rabbits, and |
| 1219.740 | Alph. De Candolle has remarked that | winged seeds are never found in fruits which |
| 1219.874 | that seeds could not gradually become | winged through natural selection, except in |
| 1464.429 | might have been modified into perfectly | winged animals. If this had been effected, who |
| 3828.9 | on naturalisation, 115.
—, —, on | winged seeds, 146.
——, —, on Alpine species |
| 4379.4 | Seeds, nutriment in, 77.
——, | winged, 146.
——, power of resisting salt-water |
| 4966.24 | Post 8vo. 12s.
CHANTREY (SIR FRANCIS). | Winged Words on Chantreys Woodcocks. Edited by |
8 | | | wingless | |
| 1141.899 | danger, I believe that the nearly | wingless condition of several birds, which now |
| 1153.72 | the sun shines; that the proportion of | wingless beetles is larger on the exposed |
| 1153.459 | have made me believe that the | wingless condition of so many Madeira beetles is |
| 2930.190 | reptiles, and in New Zealand gigantic | wingless birds, take the place of mammals. In |
| 3691.9 | of, 225.
—, parasitic, 218.
Beetles, | wingless, in Madeira, 135.
——with deficient |
| 3705.3 | seeds, 361.
——, waders, 386.
—, | wingless, 134, 182.
—, with traces of embryonic |
| 4162.16 | plants of, 107.
——, beetles of, | wingless, 135.
—, fossil land-shells of |
| 4580.6 | of insects on sea-shore, 132.
—, on | wingless beetles, 135.
—, on rarity of |
1 | | | wing-membrane | |
| 1456.984 | it into a bat. In bats which have the | wing-membrane extended from the top of the shoulder |
39 | | | wings | |
| 375.880 | have very long necks, others very long | wings and tails, others singularly short |
| 375.1072 | The pouter has a much elongated body, | wings, and legs; and its enormously developed |
| 399.311 | externally edged with white; the | wings have two black bars; some semi-domestic |
| 399.440 | have, besides the two black bars, the | wings chequered with black. These several |
| 1141.727 | the surface of the water, and has its | wings in nearly the same condition as the |
| 1145.236 | body, its legs were used more, and its | wings less, until they became incapable of |
| 1149.265 | Madeira, are so far deficient in | wings that they cannot fly; and that of the |
| 1153.694 | which flew least, either from its | wings having been ever so little less |
| 1155.140 | lepidoptera, must habitually use their | wings to gain their subsistence, have, as Mr |
| 1155.212 | have, as Mr. Wollaston suspects, their | wings not at all reduced, but even enlarged |
| 1155.433 | selection to enlarge or to reduce the | wings, would depend on whether a greater |
| 1161.706 | In the same manner as in Madeira the | wings of some of the insects have been |
| 1161.763 | the insects have been enlarged, and the | wings of others have been reduced by natural |
| 1245.1121 | there is a whole group of bats having | wings; it would apply only if some one |
| 1245.1183 | only if some one species of bat had its | wings developed in some remarkable manner in |
| 1287.761 | the manner of neuration of the | wings is a character of the highest |
| 1299.145 | blue birds with two black bars on the | wings, a white
[page] 160 LAWS OF VARIATION |
| 1462.56 | might have existed which used their | wings solely as flappers, like the logger |
| 1466.76 | for any particular habit, as the | wings of a bird for flight, we should bear in |
| 1478.672 | on fruit, and others with elongated | wings which chase insects on the wing; and on |
| 1484.573 | the stones with its feet and using its | wings under water.
He who believes that each |
| 1530.1022 | of Annelids are homologous with the | wings and wing-covers of insects, it is |
| 1839.870 | of the thorax and in being destitute of | wings and sometimes of eyes, and in instinct |
| 2936.657 | organ,—for instance, as the shrivelled | wings under the soldered elytra of many |
| 3089.481 | in Marsupials-the manner in which the | wings of insects are folded-mere colour in |
| 3289.442 | in another as paddles, in another as | wings; and on the above two principles—namely |
| 3289.1032 | converted into hands, or paddles, or | wings. Whatever influence long-continued |
| 3313.74 | birds. Nothing can be plainer than that | wings are formed for flight, yet in how many |
| 3313.137 | yet in how many insects do we see | wings so reduced in size as to be utterly |
| 3315.230 | one of which will have full-sized | wings, and another mere rudiments of membrane |
| 3315.342 | to doubt, that the rudiments represent | wings. Rudimentary organs sometimes retain |
| 3323.316 | is well exemplified in the state of the | wings of the female moths in certain groups |
| 3337.958 | inhabiting dark caverns, and of the | wings of birds inhabiting oceanic islands |
| 3337.1191 | injurious under others, as with the | wings of beetles living on small and exposed |
| 3476.73 | at the logger-headed duck, which has | wings incapable of flight, in nearly the same |
| 3524.1145 | embryonic calf or like the shrivelled | wings under the soldered wing-covers of some |
| 3856.16 | by other bees, 202.
Duck, domestic, | wings of, reduced, 11.
—, logger-headed |
| 4569.0 | White Mountains, flora of, 365.
| Wings, reduction of size, 134.
ZEBRA |
| 4574.0 | reduction of size, 134.
ZEBRA.
| Wings of insects homologous with branchiæ |
1 | | | wing-structure | |
| 1462.570 | these remarks that any of the grades of | wing-structure here alluded to, which perhaps may all |
7 | | | winter | |
| 689.203 | of all checks. I estimated that the | winter of 1854-55 destroyed four-fifths of the |
| 693.109 | got least food through the advancing | winter, which will suffer most. When we travel |
| 701.510 | as their numbers are checked during | winter: but any one who has tried, knows how |
| 792.294 | grey; the alpine ptarmigan white in | winter, the red-grouse the colour of heather |
| 1442.808 | and preys on fish, but during the long | winter
[page] 180 DIFFICULTIES ON THEORY |
| 1825.243 | a large stock of bees during the | winter; and the security of the hive is known |
| 1825.916 | that the community lived throughout the | winter, and consequently required a store of |
1 | | | winters | |
| 5076.43 | HON. CAPT. FRANCIS) Journal of a | Winters Tour in India; with a Visit to Nepaul |
3 | | | wished | |
| 469.198 | could never have expected or even have | wished to have produced the result which |
| 747.102 | this case we can clearly see that if we | wished in imagination to give the plant the |
| 749.257 | changed in an essential manner. If we | wished to increase its average numbers in its |
2 | | | wishes | |
| 788.68 | so be preserved. How fleeting are the | wishes and efforts of man! how short his time |
| 2060.824 | his own use and pleasure: he neither | wishes to select, nor could select, slight |
1 | | | wishing | |
| 2080.315 | domestic varieties, and from not | wishing or being able to produce recondite and |
2 | | | witchcraft | |
| 4642.50 | THE). The most interesting Trial for | Witchcraft ever known. Translated from the German |
| 5214.59 | Witch: the most interesting Trial for | Witchcraft ever known. From the German. Post 8vo |
1 | | | withdrawal | |
| 1225.1329 | and, on the other hand, the actual | withdrawal of nutriment from one part owing to the |
1 | | | withdrawn | |
| 1604.644 | many attacking animals, cannot be | withdrawn, owing to the backward serratures, and |
1 | | | wither | |
| 1966.1140 | causing the flower of the hybrid to | wither earlier than it otherwise would have |
1 | | | withering | |
| 1966.1204 | would have done; and the early | withering of the flower is well known to be a |
106 | | | within | |
| 186.483 | On the succession of the same types | within the same areas — Summary of preceding |
| 365.418 | goats in Europe alone, and several even | within Great Britain. One author believes that |
| 403.38 | that each breed, even the purest, has | within a dozen or, at most, within a score of |
| 403.66 | purest, has within a dozen or, at most, | within a score of generations, been crossed by |
| 403.136 | been crossed by the rock-pigeon: I say | within a dozen or twenty generations, for we |
| 431.130 | of our eminent breeders have, even | within a single lifetime, modified to
[page |
| 461.1001 | pointer has been greatly changed | within the last century, and in this case the |
| 548.1075 | as a variety, can rarely be found | within the same country, but are common in |
| 562.401 | he confine his attention to one class | within one country, he will soon make up his |
| 584.520 | species which are most widely diffused | within their own country (and this is a |
| 707.1560 | Scotch firs on the distant hill-tops: | within the last ten years large spaces have |
| 717.387 | can ever be as simple as this. Battle | within battle must ever be recurring with |
| 741.1129 | animals. The store of nutriment laid up | within the seeds of many plants seems at first |
| 810.1221 | rigorous selection of the young birds | within the egg, which had the most powerful |
| 896.197 | of reproduction so perfectly enclosed | within the body, that access from without and |
| 906.248 | a better chance for the appearance | within any given period of profitable |
| 908.479 | animals. Thus it will be in nature; for | within a confined area, with some place in its |
| 914.216 | catalogue of facts, showing that | within the same area, varieties of the same |
| 928.715 | forms, we ought to make the comparison | within equal times; and this we are incapable |
| 962.103 | will have the best chance of producing | within any given period favourable variations |
| 962.396 | be less quickly modified or improved | within any given period, and they will |
| 1080.768 | of further variation and improvement. | Within the same large
[page] 126 NATURAL |
| 1177.1132 | cases could be given of species | within historical times having largely |
| 1231.453 | that when a cirripede is parasitic | within another and is thus protected, it loses |
| 1251.9 | species of distinct genera.
As birds | within the same country vary in a remarkably |
| 1263.762 | has been so great and long-continued | within a period not excessively remote, we |
| 1275.526 | of their structure which have varied | within a moderately recent period, and which |
| 1279.690 | have varied and come to differ | within the period of the branching off of the |
| 1357.1508 | been inherited, and have not differed | within this same period. In these remarks we |
| 1406.543 | now continuous must often have existed | within recent times in a far less continuous |
| 1424.125 | will always have a better chance, | within any given period, of presenting further |
| 1432.55 | now continuous must often have existed | within the recent period in isolated portions |
| 1442.342 | It would be easy to show that | within the same group carnivorous animals |
| 1502.411 | the inner one divided into facets, | within each of which there is a lens-shaped |
| 1536.130 | retain the eggs until they are hatched | within the sack. These cirripedes have no |
| 1649.577 | the other mental qualities of animals | within the same class.
I will not attempt any |
| 1889.91 | the larvæ of ichneumonidæ feeding | within the live bodies of caterpillars,—not as |
| 1898.254 | seems at first probable, for species | within the same country could hardly have kept |
| 1972.655 | last produced, are very fertile. Even | within the limits of the same genus, for |
| 1980.877 | close species a single hybrid. Even | within the limits of the same genus, we meet |
| 2006.1584 | affinity. Although many distinct genera | within the same family have been grafted |
| 2026.1134 | birth, as long as it is nourished | within its mother's womb or within the egg or |
| 2026.1162 | nourished within its mother's womb or | within the egg or seed produced by the mother |
| 2213.69 | which must have covered up the Weald | within so limited a period as since the latter |
| 2241.306 | have been upraised several hundred feet | within the recent period, than the absence of |
| 2241.1168 | the slow and gradual rising of the land | within the grinding action of the coast-waves |
| 2255.431 | destroyed by being upraised and brought | within the limits of the coast-action.
Thus |
| 2273.957 | prodigious lapse of time, all included | within this same glacial period. Yet it may be |
| 2273.1123 | remains, have gone on accumulating | within the same area during the whole of this |
| 2273.1313 | near the mouth of the Mississippi, | within that limit of depth at which marine |
| 2398.467 | On the succession of the same types | within the same areas—Summary of preceding and |
| 2452.818 | specific forms which have been produced | within a given time is probably greater than |
| 2542.554 | is that those groups, which have | within known geological periods undergone much |
| 2576.478 | which have branched off from each other | within comparatively recent times. For this |
| 2580.36 | On the Succession of the same Types | within the same
[page] 339 CHAP. X. SAME |
| 2586.70 | law of the succession of the same types | within the same areas mean? He would be a bold |
| 2592.128 | immutable, succession of the same types | within the same areas, is at once explained |
| 2624.523 | of the same types of structure | within the same areas during the later |
| 2671.688 | species of a genus have been produced | within comparatively recent times, there is |
| 2677.459 | that each species was first produced | within a single region captivates the mind. He |
| 2683.492 | changes, which have certainly occurred | within recent geological times, must have |
| 2687.180 | that each species has been produced | within one area, and has migrated thence as |
| 2707.71 | great mutations of level, have occurred | within the period of existing organisms |
| 2707.780 | such enormous geographical changes | within the period of existing species. It |
| 2707.1000 | and extension, as to have united them | within the recent period to each other and to |
| 2707.1744 | that it will ever be proved that | within the recent period continents which are |
| 2711.525 | prodigious geographical revolutions | within the recent period, as are necessitated |
| 2749.1791 | very difficult to prove this), received | within the last few centuries, through |
| 2759.254 | kind, organic and inorganic, that | within a very recent geological period |
| 2795.708 | the Alpine productions, left isolated, | within a much more recent period, on the |
| 2813.208 | every case, that the epoch was included | within
[page] 374 GEOGRAPHICAL DISTRIBUTION |
| 2839.196 | plants and animals have spread | within a few centuries, this period will have |
| 2855.1220 | on the land yielded to those produced | within the larger areas of the north, just in |
| 2861.353 | or thrice as common, as another species | within their own homes.
I have said that many |
| 2880.163 | would not have ranged widely | within the same country, and as the sea is |
| 2886.560 | water fish mainly to slight changes | within the recent period in the level of the |
| 2886.845 | changes of level in the land | within a very recent geological period, and |
| 2916.492 | out, would lead to the belief that | within the recent period all existing islands |
| 2958.176 | likely to have been continuously united | within a recent period to the mainland than |
| 2984.173 | yet in a most interesting manner, | within the limits of the same archipelago |
| 2984.960 | in the several islands situated | within sight of each other, having the same |
| 3016.201 | that organisms low in the scale | within each great class, generally change at a |
| 3024.83 | the land, which have certainly occurred | within the recent period, and of other similar |
| 3024.162 | similar changes which may have occurred | within the same period; if we remember how |
| 3038.258 | of migration, one group of beings, even | within the same class, should have all its |
| 3044.1417 | have changed during successive ages | within the same quarter of the world, or to |
| 3044.1555 | quarters, in both cases the forms | within each class have been connected by the |
| 3085.348 | of the same important organ | within the same group of beings.
Again, no |
| 3119.87 | that the arrangement of the groups | within each class, in due subordination and |
| 3197.1394 | and yet use these same characters | within the limits of the same group. We can |
| 3215.574 | others,—variations which we know to be | within the limits of possibility. In the |
| 3239.237 | The embryos, also, of distinct animals | within the same class are often strikingly |
| 3255.167 | the embryos of widely different animals | within the same class, that we might be led to |
| 3257.348 | alike;—of embryos of different species | within the same class, generally, but not |
| 3277.167 | young pigeons of various breeds, | within twelve hours after being hatched; I |
| 3339.76 | effected by insensibly small steps, is | within the power of natural selection; so that |
| 3365.34 | peopled, have all descended, each | within its own class or group, from common |
| 3442.608 | and often capriciously, can produce | within a short period a great result by adding |
| 3460.503 | in groups subordinate to groups, all | within a few great classes, which we now see |
| 3470.909 | daughters; at ichneumonidæ feeding | within the live bodies of caterpillars; and at |
| 3496.1143 | other such cases,—is intelligible, for | within a confined country, the recent and the |
| 3502.285 | and marshes, most of the inhabitants | within each great class are plainly related |
| 3512.415 | affinities of the species and genera | within each class are so complex and |
| 3568.127 | allied species of most genera, have | within a not very remote period de-
[page |
| 3578.255 | for a long period unchanged, whilst | within this same period, several of these |
| 4796.38 | Voyages of Discovery and Research | within the Arctic Regions, from 1818 to the |
69 | | | without | |
| 248.26 | let this opportunity pass | without expressing my deep obligations to Dr |
| 359.68 | remain vague; neverthelsss, I may, | without here entering on any details, state |
| 369.1113 | very distinct breeds could not be got | without extreme care and long-continued |
| 810.308 | to modify the structure of one species, | without giving it any advantage, for the good |
| 834.22 | SELECTION.
to keep the best dogs | without any thought of modifying the breed |
| 836.5 | thought of modifying the breed.
Even | without any change in the proportional numbers |
| 846.976 | under the microscope, and on all, | without exception, there were pollen-grains |
| 892.657 | be effected with terrestrial animals | without the concurrence of two individuals. Of |
| 896.231 | within the body, that access from | without and the occasional influence of a |
| 908.144 | stop his work. But when many men, | without intending to alter the breed, have a |
| 960.294 | foreign plants have become naturalised, | without causing, as far as we know, the |
| 1038.371 | character from their original stocks, | without either having given off any fresh |
| 1205.202 | and that others rarely coexist, | without our being able to assign any reason |
| 1211.916 | seeds of the outer and inner florets | without any difference in the corolla. Possibly |
| 1217.813 | unknown laws of correlated growth, and | without being, as far as we can see, of the |
| 1233.168 | as soon as it is rendered superfluous, | without by any means causing some other part to |
| 1233.364 | in largely developing any organ, | without requiring as a necessary compensation |
| 1245.505 | one of the truth of this proposition | without giving the long array of facts which I |
| 1281.104 | remarks. I think it will be admitted, | without my entering on details, that secondary |
| 1323.673 | but not an albino, has been described | without either spinal or shoulder-stripe; and |
| 1323.1203 | barred like a zebra over the body, is | without bars on the legs; but Dr. Gray has |
| 1331.180 | for the Indian Government, a horse | without stripes is not considered as purely |
| 1331.787 | the foal than in the full-grown animal. | Without here entering on further details, I may |
| 1345.913 | other marks invariably reappear; but | without any other change of form or character |
| 1357.460 | of the structure which can be saved | without detriment to the individual, will be |
| 1376.181 | to this day I can never reflect on them | without being staggered; but, to the best of my |
| 1406.354 | might have been separately formed | without the possibility of intermediate |
| 1424.1427 | into close contact with each other, | without the interposition of the supplanted |
| 1486.895 | could be given, habits have changed | without a corresponding change of structure |
| 1502.95 | nerve merely coated with pigment, and | without any other mechanism; and from this low |
| 1584.352 | selection of a particular kind, but | without here entering on copious details my |
| 1651.435 | more especially by a very young one, | without any experience, and when performed by |
| 1651.515 | by many individuals in the same way, | without their knowing for what purpose it is |
| 1683.403 | aware that these general statements, | without facts given in detail, can produce but |
| 1683.540 | my assurance, that I do not speak | without good evidence.
The possibility, or |
| 1689.850 | see that these actions, performed | without experience by the young, and in nearly |
| 1689.981 | with eager delight by each breed, and | without the end being known,—for the young |
| 1689.1287 | to see one kind of wolf, when young and | without any training, as soon as it scented its |
| 1697.685 | which cannot fly eighteen inches high | without going head over heels. It may be |
| 1701.58 | at work, as each man tries to procure, | without intending to improve the breed, dogs |
| 1731.222 | is absolutely dependent on its slaves; | without their aid, the species would certainly |
| 1731.768 | that when Huber shut up thirty of them | without a slave, but with plenty of the food |
| 1763.279 | so beautifully adapted to its end, | without enthusiastic admiration. We hear from |
| 1807.1230 | can cluster and crawl over the comb | without injuring the delicate hexagonal walls |
| 1877.1260 | which are in any manner profitable, | without exercise or habit having come into play |
| 1910.259 | devoted their lives to this subject, | without being deeply impressed with the high |
| 2038.309 | should be compounded into one, | without some disturbance occurring in the |
| 2227.707 | time, by another and later formation, | without the underlying bed having suffered in |
| 2474.381 | been brought to Europe from La Plata, | without any information in regard to their |
| 2717.50 | sake I chiefly tried small seeds, | without the capsule or fruit; and as all of |
| 2745.91 | and that several other means, which | without doubt remain to be discovered, have |
| 2755.296 | same species living at distant points, | without the apparent possibility of their |
| 2773.575 | summits, we may almost conclude | without other evidence, that a colder climate |
| 2803.29 | ocean.
These cases of relationship, | without identity, of the inhabitants of seas |
| 2817.453 | simultaneous throughout the world. | Without some distinct evidence to the contrary |
| 2886.728 | of this having occurred during floods, | without any change of level. We have evidence |
| 2968.137 | to those of the nearest mainland, | without being actually the same species |
| 3081.983 | naturalist can have worked at any group | without being struck with this fact; and it has |
| 3139.197 | or quite lost this habit; nevertheless, | without any reasoning or thinking on the |
| 3185.848 | tree, and almost impossible to do this | without this aid, we can understand the |
| 3185.963 | have experienced in describing, | without the aid of a diagram, the various |
| 3365.153 | in the course of descent, that I should | without hesitation adopt this view, even if it |
| 3432.435 | most useful to him at the time, | without any thought of altering the breed. It |
| 3482.132 | characters which have been inherited | without change for an enormous period. It is |
| 3524.735 | fitted by natural selection to browse | without their aid; whereas in the calf, the |
| 3530.680 | of time, we are too apt to assume, | without proof, that the geological record is so |
| 3540.905 | they arbitrarily reject it in another, | without assigning any distinction in the two |
| 3558.500 | were formerly thus connected. Hence, | without quite rejecting the consideration of |
| 4908.103 | Plan Drawing, and on sketching ground | without Instruments. Third Edition. Woodcuts |
9 | | | withstand | |
| 297.460 | so will some animals and plants | withstand domestication or cultivation, and vary |
| 351.150 | tendency to vary, and likewise to | withstand diverse climates. I do not dispute that |
| 743.127 | We know that it can perfectly well | withstand a little more heat or cold, dampness or |
| 1189.534 | plants, certain varieties are said to | withstand certain climates better than others |
| 1398.157 | sufficiently thick and extensive to | withstand an enormous amount of future |
| 2243.127 | solid, or extensive masses, in order to | withstand the incessant action of the waves, when |
| 2839.832 | many tropical plants and animals can | withstand a considerable amount of cold, many |
| 2839.1382 | from the inroads of competitors, can | withstand a much warmer climate than their own |
| 2966.991 | that several species did in this state | withstand uninjured an immersion in sea-water |
1 | | | withstanding | |
| 1179.309 | in our domestic animals of not only | withstanding the most different climates but of |
1 | | | with—that | |
| 3217.276 | the bones of the skull are homologous | with—that is correspond in number and in relative |
1 | | | with—the | |
| 3217.336 | in number and in relative connexion | with—the elemental parts of a certain number of |
2 | | | witness | |
| 1743.33 | One day I fortunately chanced to | witness a migration from one nest to another |
| 2070.234 | by so good an observer and so hostile a | witness, as Gärtner: namely, that yellow and |
1 | | | witnessed | |
| 1697.295 | to tumble,—an action which, as I have | witnessed, is performed by young birds, that have |
1 | | | witnesses | |
| 2066.88 | evidence is, also, derived from hostile | witnesses, who in all other cases consider |
1 | | | wolf-like | |
| 2944.465 | Islands, which are inhabited by a | wolf-like fox, come nearest to an exception; but |
10 | | | wollaston | |
| 576.255 | as has been shown to be the case by Mr. | Wollaston with the varieties of certain fossil |
| 1125.866 | or near the coast. So with insects, | Wollaston is convinced that residence near the |
| 1149.135 | mainly, due to natural selection. Mr. | Wollaston has discovered the remarkable fact that |
| 1149.568 | beetles in Madeira, as observed by Mr. | Wollaston, lie much con-
[page] 136 LAWS OF |
| 1153.217 | fact, so strongly insisted on by Mr. | Wollaston, of the almost entire absence of |
| 1155.186 | to gain their subsistence, have, as Mr. | Wollaston suspects, their wings not at all |
| 1418.654 | me by Mr. Watson, Dr. Asa Gray, and Mr. | Wollaston, that generally when varieties |
| 2918.167 | de Candolle admits this for plants, and | Wollaston for insects. If we look to the large |
| 2994.1761 | to Chatham Island. Sir C. Lyell and Mr. | Wollaston have communicated to me a remarkable |
| 4577.25 | with dog, 214.
—of Falkland Isles, 393. | Wollaston, Mr., on varieties of insects |
1 | | | wollaston's | |
| 548.1792 | are characterized as varieties in Mr. | Wollaston's admirable work, but which it cannot |
6 | | | wolves | |
| 830.639 | to doubt that the swiftest and slimmest | wolves would have the best chance of surviving |
| 836.986 | the parent-form of wolf. Or, again, the | wolves inhabiting a mountainous district, and |
| 1703.427 | has become instinctive in the dog. All | wolves, foxes, jackals, and species of the cat |
| 4291.29 | Pierce, Mr., on varieties of | wolves, 91.
Pigeons with feathered feet and |
| 4584.0 | shells of Madeira, naturalised, 402.
| Wolves, varieties of, 90. Woodpecker, habits |
| 5632.34 | s.
LIYONIAN TALES.The Disponent.—The | Wolves. —The Jewess. By the Author of "Letters |
3 | | | women | |
| 471.580 | their killing and devouring their old | women, in times of dearth, as of less value |
| 511.887 | and, although so much valued by | women and children, we hardly ever see a |
| 4279.10 | sterility of, 251.
Pelvis of | women, 144,
Peloria, 145.
Period, glacial |
6 | | | wonder | |
| 711.734 | stems of the heath, and had failed. No | wonder that, as soon as the land was enclosed |
| 788.245 | during whole geological periods. Can we | wonder, then, that nature's productions should |
| 1098.554 | It is a truly wonderful fact—the | wonder of which we are apt to overlook from |
| 2450.441 | but when the sick man dies, to | wonder and to suspect that he died by some |
| 3229.321 | by slight successive steps, we need not | wonder at discovering in such parts or organs |
| 3470.978 | and at other such cases. The | wonder indeed is, on the theory of natural |
27 | | | wonderful | |
| 375.151 | the short-faced tumbler, and see the | wonderful difference in their beaks, entailing |
| 375.313 | male bird, is also remarkable from the | wonderful development of the carunculated skin |
| 477.838 | expressed in horticultural works at the | wonderful skill of gardeners, in having produced |
| 1098.535 | beings may be explained. It is a truly | wonderful fact—the wonder of which we are apt to |
| 1384.5 | DIFFICULTIES ON THEORY. CHAP. VI.
such | wonderful structure, as the eye, of which we |
| 1606.636 | few members. If we admire the truly | wonderful power of scent by which the males of |
| 1622.636 | and their intermediate states show that | wonderful metamorphoses in function are at least |
| 1649.177 | subject separately, especially as so | wonderful an instinct as that of the hive-bee |
| 1661.662 | It can be clearly shown that the most | wonderful instincts with which we are acquainted |
| 1663.557 | believe, that all the most complex and | wonderful instincts have originated. As |
| 1711.495 | been ranked by naturalists as the most | wonderful of all known instincts.
It is now |
| 1731.1317 | been hopeless to have speculated how so | wonderful an instinct could have been perfected |
| 1755.82 | confirmation by me, in regard to the | wonderful instinct of making slaves. Let it be |
| 1781.138 | Melipona, and in themselves not very | wonderful, this bee would make a structure as |
| 1781.1432 | of instincts in themselves not very | wonderful,—hardly more wonderful than those which |
| 1781.1455 | not very wonderful,—hardly more | wonderful than those which guide a bird to make |
| 1831.29 | wax.
Thus, as I believe, the most | wonderful of all known instincts, that of the |
| 1853.665 | the workers of one caste alone carry a | wonderful sort of shield on their heads, the use |
| 1859.133 | when I do not admit that such | wonderful and well-established facts at once |
| 1873.24 | were produced.
Thus, as I believe, the | wonderful fact of two distinctly defined castes |
| 2584.575 | is even more clearly seen in the | wonderful collection of fossil bones made by MM |
| 2584.801 | of the succession of types,"-on "this | wonderful relationship in the same continent |
| 2831.276 | Prof. Dana, that "it is certainly a | wonderful fact that New Zealand should have a |
| 2928.1036 | Madeira, again, is inhabited by a | wonderful number of peculiar land-shells, whereas |
| 3237.43 | terms may be used literally; and the | wonderful fact of the jaws, for instance, of a |
| 3502.64 | same. We see the full meaning of the | wonderful fact, which must have struck every |
| 3592.682 | endless forms most beautiful and most | wonderful have been, and are being, evolved |
7 | | | wonderfully | |
| 1661.301 | the pianoforte at three years old with | wonderfully little practice, had played a tune with |
| 1781.184 | this bee would make a structure as | wonderfully perfect as that of the hive-bee. We |
| 1869.305 | ants of the several sizes differed | wonderfully in shape, and in the form and number of |
| 2438.980 | close of the secondary period, has been | wonderfully sudden.
The whole subject of the |
| 3095.1359 | only degraded flowers, departing so | wonderfully in a number of the most important |
| 3187.697 | of the Crustacea, for here the most | wonderfully diverse forms are still tied
[page |
| 3217.544 | We see the same law in comparing the | wonderfully complex jaws and legs in crustaceans |
1 | | | wondrous | |
| 1540.308 | to conceive by what steps these | wondrous organs have been produced; but, as Owen |
1 | | | wood's | |
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| WOOD'S (LIEUT.) Voyage up the Indus to the |
2 | | | woodcocks | |
| 836.514 | ground and almost nightly catching | woodcocks or snipes. The tendency to catch rats |
| 4966.50 | SIR FRANCIS). Winged Words on Chantreys | Woodcocks. Edited by JAS. P. MUIRHEAD. Etchings |
1 | | | woodcut | |
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117 | | | woodcuts | |
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[page] 7
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[page] 11
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[page] 13
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[page] 29
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[page] 30
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[page] 32
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—— CATHEDRALS OF ENGLAND |
8 | | | woodpecker | |
| 250.961 | the structure, for instance, of the | woodpecker, with its feet, tail, beak, and tongue |
| 256.44 | some bird had given birth to a | woodpecker, and some plant to the misseltoe, and |
| 635.1057 | co-adaptations most plainly in the | woodpecker and missletoe; and only a little less |
| 1478.493 | of adaptation be given than that of a | woodpecker for climbing trees and for seizing |
| 1478.777 | where not a tree grows, there is a | woodpecker, which in every essential part of its |
| 1478.1001 | to our common species; yet it is a | woodpecker which never climbs a tree!
Petrels are |
| 3464.117 | it is that a bird, under the form of | woodpecker, should have been created to prey on |
| 4584.26 | Wolves, varieties of, 90. | Woodpecker, habits of, 184.
—, green colour of |
4 | | | woodpeckers | |
| 1478.605 | bark? Yet in North America there are | woodpeckers which feed largely on fruit, and others |
| 1492.843 | of in swamps; that there should be | woodpeckers where not a tree grows; that there |
| 1574.18 | LITTLE IMPORTANCE.
remarks. If green | woodpeckers alone had existed, and we did not know |
| 1620.345 | upland geese with webbed feet, ground | woodpeckers, diving thrushes, and petrels with the |
4 | | | woodward | |
| 2267.253 | of much deference, namely Bronn and | Woodward, have concluded that the average |
| 2426.458 | so few, that E. Forbes, Pictet, and | Woodward (though all strongly opposed to such |
| 2584.1134 | the birds of the caves of Brazil. Mr. | Woodward has shown that the same law holds good |
| 4585.25 | of, 184.
—, green colour of, 197. | Woodward, Mr., on the duration of specific forms |
1 | | | woody | |
| 2006.970 | in the size of two plants, one being | woody and the other herbaceous, one being |
11 | | | words | |
| 501.21 | changes.
I must now say a few | words on the circumstances, favourable, or |
| 645.509 | Nothing is easier than to admit in | words the truth of the universal struggle for |
| 816.45 | insects. And this leads me to say a few | words on what I call Sexual Selection. This |
| 968.331 | away by the short-horns" (I quote the | words of an agricultural writer) "as if by |
| 1173.195 | c., and this leads me to say a few | words on acclimatisation. As it is extremely |
| 1586.43 | foregoing remarks lead me to say a few | words on the protest lately made by some |
| 2701.180 | centres of creation," I must say a few | words on the means of dispersal.
Means of |
| 2713.21 | volcanic matter.
I must now say a few | words on what are called accidental means |
| 4966.31 | s.
CHANTREY (SIR FRANCIS). Winged | Words on Chantreys Woodcocks. Edited by JAS |
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| WORDSWORTH'S (REV. DR.) Athens and Attica. Journal |
9 | | | worked | |
| 1524.297 | The swimbladder has, also, been | worked in as an accessory to the auditory |
| 1528.70 | part of the auditory apparatus has been | worked in as a complement to the swimbladder |
| 1530.819 | lost branchiæ might have been gradually | worked in by natural selection for some quite |
| 1566.572 | it might subsequently come to be | worked in for all sorts of purposes, as a fly |
| 1649.40 | THE subject of instinct might have been | worked into the previous chapters; but I have |
| 1793.577 | neatly performed. The bees must have | worked at very nearly the same rate on the |
| 1795.609 | on the opposed side, where the bees had | worked less quickly. In one well-marked |
| 1813.372 | spot on which it had been placed, and | worked into the growing edges of the cells all |
| 3081.963 | different. No naturalist can have | worked at any group without being struck with |
27 | | | workers | |
| 1731.348 | and fertile females do no work. The | workers or sterile females, though most |
| 1761.35 | tageous to this species to capture | workers than to procreate them-the habit of |
| 1839.141 | of working or sterile ants. How the | workers have been rendered sterile is a |
| 1839.1009 | difference in this respect between the | workers and the perfect females, would have |
| 1853.630 | different: in Cryptocerus, the | workers of one caste alone carry a wonderful |
| 1857.14 | VII. NEUTER INSECTS.
cocystus, the | workers of one caste never leave the nest; they |
| 1857.77 | leave the nest; they are fed by the | workers of another caste, and they have an |
| 1859.1426 | that the larger or the smaller sized | workers are the most numerous; or that both |
| 1863.8 | page] 240 INSTINCT. CHAP. VII.
smaller | workers, with some of intermediate size; and |
| 1863.112 | Mr. F. Smith has observed, the larger | workers have simple eyes (ocelli), which though |
| 1863.216 | distinguished, whereas the smaller | workers have their ocelli rudimentary. Having |
| 1863.309 | dissected several specimens of these | workers, I can affirm that the eyes are far |
| 1863.385 | are far more rudimentary in the smaller | workers than can be accounted for merely by |
| 1863.533 | dare not assert so positively, that the | workers of intermediate size have their ocelli |
| 1863.661 | that we here have two bodies of sterile | workers in the same nest, differing not only in |
| 1863.855 | digress by adding, that if the smaller | workers had been the most useful to the |
| 1863.1009 | produced more and more of the smaller | workers, until all the workers had come to be |
| 1863.1032 | of the smaller workers, until all the | workers had come to be in this condition; we |
| 1863.1193 | with those of Myrmica. For the | workers of Myrmica have not even rudiments of |
| 1865.379 | the amount of difference in these | workers, by my giving not the actual |
| 1869.418 | fact for us is, that though the | workers can be grouped into castes of different |
| 1869.717 | the jaws which I had dissected from the | workers of the several sizes.
With these facts |
| 1871.332 | is our climax of difficulty, one set of | workers of one size and structure, and |
| 1871.401 | and simultaneously another set of | workers of a different size and structure;—a |
| 1873.83 | distinctly defined castes of sterile | workers existing in the same nest, both widely |
| 1877.235 | could be effected with them only by the | workers being sterile; for had they been |
| 3382.638 | of two or three defined castes of | workers or sterile females in the same |
15 | | | working | |
| 790.227 | that is good; silently and insensibly | working, whenever and wherever opportunity |
| 1550.47 | same invention, so natural selection, | working for the good of each being and taking |
| 1763.762 | perfectly effected by a crowd of bees | working in a dark hive. Grant whatever |
| 1795.323 | that the bees do not always succeed in | working at exactly the same rate from the |
| 1795.724 | the hive, and allowed the bees to go on | working for a short time, and again examined |
| 1801.574 | this from the opposite sides, always | working circularly as they deepen each cell |
| 1809.142 | bees all work together; one bee after | working a short time at one cell going to |
| 1815.77 | can stand in their proper positions for | working,—for instance, on a slip of wood |
| 1839.108 | here take only a single case, that of | working or sterile ants. How the workers have |
| 1839.726 | The great difficulty lies in the | working ants differing widely from both the |
| 1839.1103 | exemplified by the hive-bee. If a | working ant or other neuter insect had been an |
| 1843.184 | selected, and so onwards. But with the | working ant we have an insect differing greatly |
| 1853.530 | same family. Thus in Eciton, there are | working and soldier neuters, with jaws and |
| 1869.262 | as big. The jaws, moreover, of the | working ants of the several sizes differed |
| 6136.11 | and Woodcuts. 8vo. 18s.
—— (G. B.) | Working Man's Handbook to South Australia; with |
1 | | | workman | |
| 1763.599 | It has been remarked that a skilful | workman, with fitting tools and measures, would |
1 | | | workmanship | |
| 788.478 | plainly bear the stamp of far higher | workmanship?
It may be said that natural selection |
3 | | | workmen | |
| 1865.526 | the same as if we were to see a set of | workmen building
[page] 241 CHAP. VII. NEUTER |
| 1869.118 | but we must suppose that the larger | workmen had heads four instead of three times |
| 3564.251 | and even the blunders of numerous | workmen; when we thus view each organic being |
65 | | | works | |
| 50.30 | of God's
word, or in the book of God's | works; divinity or philosophy; but
rather let |
| 435.484 | was probably better acquainted with the | works of agriculturalists than almost any |
| 451.505 | of the importance of the principle in | works of high antiquity. In rude and
[page |
| 477.825 | surprise expressed in horticultural | works at the wonderful skill of gardeners, in |
| 570.210 | are barely thought worth recording in | works on natural history. And I look at |
| 584.732 | to have been recorded in botanical | works. Hence it is the most flourishing, or |
| 641.1601 | to man's feeble efforts, as the | works of Nature are to those of Art.
[page |
| 810.427 | to this effect may be found in | works of natural history, I cannot find one |
| 1185.371 | incessant advice given in agricultural | works, even in the ancient Encyclopædias of |
| 1189.614 | this is very strikingly shown in | works on fruit trees published in the United |
| 1273.230 | but I have repeatedly noticed in | works on natural history, that when an author |
| 1317.90 | a variable species in our systematic | works, is due to its varieties mocking, as it |
| 1351.633 | for an unknown, cause. It makes the | works of God a mere mockery and deception; I |
| 1510.352 | we any right to assume that the Creator | works by intellectual powers like those of |
| 1514.1113 | as superior to one of glass, as the | works of the Creator are to those of man?
If |
| 1596.313 | many statements may be found in | works on natural history to this effect, I |
| 1910.130 | to study the several memoirs and | works of those two conscientious and |
| 2235.269 | see the formations tabulated in written | works, or when we follow them in nature, it |
| 2713.190 | confine myself to plants. In botanical | works, this or that plant is stated to be ill |
| 2863.151 | by Dr. Hooker in his botanical | works on the antarctic regions. These cannot |
| 3331.367 | organs, are imperfect and useless. In | works on natural history rudimentary organs |
| 3446.118 | to be worthy of record in systematic | works. No one can draw any clear distinction |
| 3586.1129 | length. And as natural selection | works solely by and for the good of each |
| 4609.38 | page 1 (MR. MURRAY'S GENERAL LIST OF | WORKS.)]
ALBEMARLE STREET, LONDON.
June |
| 4617.16 | MR. MURRAY'S
GENERAL LIST OF | WORKS.
___________
___________
ABBOTT'S |
| 4632.10 | of India. Post 8vo. 2s. 6d.
ADDISON'S | WORKS. A New Edition, with a New Life and |
| 4808.42 | S (JULES) Sketch of the Life and | Works of Felix Mendelssohn Bartholdy. Second |
| 4846.128 | Portrait and 60 Woodcuts of his chief | works. 4to.
BREWSTER'S (SIR DAVID) Martyrs |
| 4864.11 | Already Published.
GOLDSMITHS | WORKS. Edited by PETER CUNNINGHAM, F.S.A |
| 4870.16 | S.A. 3 Vols. 22s. 6d.
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| 4882.0 | Edited, with Notes, by JOHN FORSTER.
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| 6058.3 | JOHN FORSTER. 8vo. In Preparation.
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| 6074.80 | With Criticisms on particular | Works, and Biographical Notices of Prominent |
| 6126.68 | Tours, and Critical Remarks on | Works of Art, with a Selection from his |
| 6152.43 | S (DR. THOS.) Life and Miscellaneous | Works,edited by DEAN PEACOCK and JOHN LEITCH |
1 | | | workshops | |
| 2855.731 | in the larger areas and more efficient | workshops of the north. In many islands the |
1 | | | work—the | |
| 240.407 | and Dr. Hooker, who both knew of my | work—the latter having read my sketch of |
1 | | | work-there | |
| 1361.99 | new specific forms has been actively at | work-there, on an average, we now find most |
144 | | | world | |
| 40.33 | But with regard to the material | world, we can at least go so
far as this-we |
| 84.10 | DURING H.M.S. BEAGLE'S VOYAGE
ROUND THE | WORLD.'
LONDON:
JOHN MURRAY |
| 186.317 | in the forms of life throughout the | world — On the affinities of extinct species |
| 192.344 | Glacial period co-extensive with the | world. .. .. .. .. .. .. 346-382
[page] ix |
| 250.534 | the innumerable species inhabiting this | world have been modified, so as to acquire |
| 260.750 | all organic beings throughout the | world, which inevitably follows from their |
| 272.549 | of every inhabitant of this | world. Still less do we know of the mutual |
| 272.640 | of the innumerable inhabitants of the | world during the many past geological epochs |
| 349.345 | inhabiting different quarters of the | world. I do not believe, as we shall |
| 365.1084 | case of the domestic dogs of the whole | world, which I fully admit have probably |
| 371.288 | with skins from several quarters of the | world, more especially by the Hon. W. Elliot |
| 393.313 | been transported to all parts of the | world, and, therefore, some of them must have |
| 413.1065 | of years in several quarters of the | world; the earliest known record of pigeons |
| 437.182 | exported to almost every quarter of the | world. The improvement is by no means |
| 588.34 | II.
those which range widely over the | world, are the most diffused in their own |
| 639.255 | and in every part of the organic | world.
Again, it may be asked, how is it |
| 657.79 | in numbers, all cannot do so, for the | world would not hold them.
There is no |
| 661.400 | have run wild in several parts of the | world: if the statements of the rate of |
| 673.280 | to be the most numerous bird in the | world. One fly deposits hundreds of eggs, and |
| 713.106 | Scotch fir; but in several parts of the | world insects determine the existence of |
| 717.878 | we invoke cataclysms to desolate the | world, or invent laws on the duration of the |
| 790.87 | and hourly scrutinising, throughout the | world, every variation, even the slightest |
| 934.1337 | in the changing history of the organic | world.
We can, perhaps, on these views |
| 940.620 | most anomalous forms now known in the | world, as the Ornithorhynchus and Lepidosiren |
| 952.139 | manner at which the inhabitants of this | world have changed.
Slow though the process |
| 960.242 | than in any other quarter of the | world, some foreign plants have become |
| 1149.469 | that beetles in many parts of the | world are very frequently blown to sea and |
| 1167.710 | successive generations from the outer | world into the deeper and deeper recesses of |
| 1183.579 | transported by man to many parts of the | world, and now have a far wider range than |
| 1331.1073 | in the south. In all parts of the | world these stripes occur far oftenest in |
| 1337.253 | the most distant parts of the | world.
Now let us turn to the effects of |
| 1351.401 | inhabiting distant quarters of the | world, to produce hybrids resembling in their |
| 1636.205 | only to the present inhabitants of the | world, is not strictly correct, but if we |
| 1675.1136 | I do not believe that any animal in the | world performs an action for the exclusive |
| 1885.195 | when inhabiting distant parts of the | world and living under considerably different |
| 2221.174 | each of these years, over the whole | world, the land and the water has been |
| 2227.1281 | cirripedes) coat the rocks all over the | world in infinite numbers: they are all |
| 2235.589 | America, and in many other parts of the | world. The most skilful geologist, if his |
| 2267.891 | Europe is compared with the rest of the | world; nor have the several stages of the |
| 2273.343 | deposits of various quarters of the | world, it has everywhere been noted, that |
| 2273.1042 | doubted whether in any quarter of the | world, sedimentary deposits, including fossil |
| 2311.6 | IMPERFECTION OF THE CHAP. IX.
whole | world in organic beings; yet if all the |
| 2311.168 | represent the natural history of the | world!
But we have every reason to believe |
| 2331.1020 | We continually forget how large the | world is, compared with the area over which |
| 2337.451 | rapidly and widely throughout the | world.
I will now give a few examples to |
| 2339.926 | bones, are marine, and range over the | world, the fact of not a single bone of a |
| 2345.293 | of many species all over the | world, from the Arctic regions to the equator |
| 2351.825 | and simultaneously throughout the | world at this same period. It is almost |
| 2351.1342 | right to suppose that the seas of the | world have always been so freely open from |
| 2357.397 | of organic beings throughout the | world, as it would be for a naturalist to |
| 2365.302 | yet quite unknown, periods of time, the | world swarmed with living creatures.
To the |
| 2367.445 | forget that only a small portion of the | world is known with accuracy. M. Barrande has |
| 2379.1801 | The immense areas in some parts of the | world, for instance in South America, of bare |
| 2385.1289 | geological record, as a history of the | world imperfectly kept, and written in a |
| 2438.17 | SUCCESSION. CHAP. X.
finally from the | world. Both single species and whole groups |
| 2468.67 | almost simultaneously throughout the | World.—Scarcely any palæontological discovery |
| 2468.212 | almost simultaneously throughout the | world. Thus our European Chalk formation can |
| 2468.300 | recognised in many distant parts of the | world, under the most different climates |
| 2470.35 | page] 323 CHAP. X. THROUGHOUT THE | WORLD.
America, in equatorial South America |
| 2472.698 | absent at these distant points of the | world. In the several successive palæozoic |
| 2474.86 | inhabitants of distant parts of the | world: we have not sufficient data to judge |
| 2480.92 | changed simultaneously throughout the | world, it must not be supposed that this |
| 2482.105 | large sense, at distant parts of the | world, has greatly struck those admirable |
| 2484.35 | MM.
[page] 325 CHAP. X. THROUGHOUT THE | WORLD.
de Verneuil and d'Archiac. After |
| 2486.785 | in the forms of life throughout the | world, under the most different climates. We |
| 2488.79 | of the forms of life throughout the | world, is explicable on the theory of natural |
| 2494.710 | as before explained. One quarter of the | world may have been most favourable for the |
| 2496.35 | the
[page] 327 CHAP. X. THROUGHOUT THE | WORLD.
forms dominant in the highest degree |
| 2500.134 | the same forms of life throughout the | world, accords well with the principle of new |
| 2500.709 | improved groups spread throughout the | world, old groups will disappear from the |
| 2500.751 | old groups will disappear from the | world; and the succession of forms in both |
| 2506.19 | CHAP. X.
other parts of the | world. As we have reason to believe that |
| 2506.240 | wide spaces in the same quarter of the | world; but we are far from having any right |
| 2562.223 | almost simultaneously throughout the | world, and therefore under the most different |
| 2570.268 | inhabitants of one quarter of the | world were put into competition with the |
| 2584.971 | to the mammals of the Old | World. We see the same law in this author's |
| 2592.216 | the inhabitants of each quarter of the | world will obviously tend to leave in that |
| 2608.702 | but that long before that period, the | world may have presented a wholly different |
| 2616.143 | will in the long run tend to people the | world with allied, but modified, descendants |
| 2616.387 | of time, the productions of the | world will appear to have changed |
| 2635.334 | Glacial period co-extensive with the | world.
IN considering the distribution of |
| 2637.1016 | a climate or condition in the Old | World which cannot be paralleled in the New |
| 2641.45 | for instance, small areas in the Old | World could be pointed out hotter than any in |
| 2641.99 | pointed out hotter than any in the New | World, yet these are not inhabited by a |
| 2671.126 | the most distant quarters of the | world, must originally have proceeded from |
| 2677.1194 | mammal inhabiting distant points of the | world. No geologist will feel any difficulty |
| 2765.355 | are remarkably uniform round the | world. We may suppose that the Glacial period |
| 2783.608 | and northern temperate forms round the | world, at the commencement of the Glacial |
| 2787.421 | the majority of the inhabitants of the | world were specifically the same as now, the |
| 2795.555 | great region, with those of the Old | World. Consequently we have here everything |
| 2803.463 | with the southern continents of the Old | World, we see countries closely corresponding |
| 2813.125 | distant points on opposite sides of the | world. But we have good evidence in almost |
| 2817.446 | actually simultaneous throughout the | world. Without some distinct evidence to the |
| 2817.853 | that the temperature of the whole | world was at this period simultaneously |
| 2819.26 | longitude.
On this view of the whole | world, or at least of broad longitudinal |
| 2825.496 | Hence we see that throughout the | world, the plants growing on the more lofty |
| 2831.420 | antipode, than to any other part of the | world." Sir J. Richardson, also, speaks of |
| 2835.153 | of geological evidence, that the whole | world, or a large part of it, was during the |
| 2869.188 | distribution. I believe that the | world has recently felt one of his great |
| 2880.507 | in a remarkable manner throughout the | world. I well remember, when first collecting |
| 2886.1262 | occurring at very distant points of the | world, no doubt there are many cases which |
| 2892.204 | a single source, prevail throughout the | world. Their distribution at first perplexed |
| 2924.146 | i.e. those found nowhere else in the | world) is often extremely large. If we |
| 2948.194 | for they occur in many parts of the | world on very small islands, if close to a |
| 2948.989 | two bats found nowhere else in the | world: Norfolk Island, the Viti Archipelago |
| 2954.1164 | subject in all other quarters of the | world; but as far as I have gone, the |
| 2984.555 | inhabitants of any other part of the | world. And this is just what might have been |
| 2984.1647 | which are found in other parts of the | world (laying on one side for the moment the |
| 2990.741 | both those found in other parts of the | world and those confined to the archipelago |
| 3000.572 | have spread widely throughout the | world during the recent Glacial epoch, are |
| 3004.256 | the same general forms to the whole | world. We see this same principle in the |
| 3006.201 | the existence at remote points of the | world of other species allied to it, is shown |
| 3006.366 | genera of birds which range over the | world, many of the species have very wide |
| 3006.770 | in which so many genera range over the | world, and many individual species have |
| 3006.851 | ranges. It is not meant that in | world-
[page] 405 CHAP. XII. OCEANIC ISLANDS |
| 3010.1115 | to the most remote points of the | world, we ought to find, and I believe as a |
| 3016.16 | CHAP. XII.
quarters of the | world, where they may have become slightly |
| 3028.218 | simultaneously affected the whole | world, or at least great meridional belts. As |
| 3036.107 | great geographical provinces of the | world.
On these same principles, we can |
| 3038.396 | species common to other quarters of the | world. We can see why whole groups of |
| 3044.909 | to distant provinces throughout the | world, we find that some organisms differ |
| 3044.1448 | ages within the same quarter of the | world, or to those which have changed after |
| 3081.66 | of the being in relation to the outer | world. Perhaps from this cause it has partly |
| 3129.280 | languages now spoken throughout the | world; and if all extinct languages, and all |
| 3171.170 | widely spread they are throughout the | world, the fact is striking, that the |
| 3361.203 | of organic beings, with which this | world is
[page] 458 SUMMARY. CHAP. XIII |
| 3394.331 | distant and isolated parts of the | world they are now found, they must in the |
| 3398.940 | representative species throughout the | world. We are as yet profoundly ignorant of |
| 3406.126 | living and extinct inhabitants of the | world, and at each successive period between |
| 3412.1336 | species. Only a small portion of the | world has been geologically explored. Only |
| 3460.181 | succeed in increasing in size, for the | world would not hold them, the more dominant |
| 3492.456 | a part in the history of the organic | world, almost inevitably follows on the |
| 3492.911 | changed simultaneously throughout the | world. The fact of the fossil remains of each |
| 3498.137 | much migration from one part of the | world to another, owing to former climatal |
| 3530.549 | as long as the history of the | world was thought to be of short duration |
| 3572.367 | of the inhabitants of the whole | world. Even at present, by comparing the |
| 3578.808 | degree. The whole history of the | world, as at present known, although of a |
| 3582.296 | the past and present inhabitants of the | world should have been due to secondary |
| 3586.1006 | no cataclysm has desolated the whole | world. Hence we may look with some confidence |
| 4421.41 | changing simultaneously throughout the | world, 322.
Spencer, Lord, on increase in |
| 4588.0 | on the succession of types, 339.
| World, species changing simultaneously |
| 5034.128 | visited during a Voyage round the | World. Post 8vo. 8s. 6d.
DAVISS (SIR J. F |
| 5141.130 | in all Ages and Countries in the | World. With a Description of the most |
| 5684.64 | on Animalcules; or, the Invisible | World, as revealed by the Microscope. Second |
3 | | | world's | |
| 1092.340 | how largely extinction has acted in the | world's history, geology plainly declares |
| 2624.49 | of each successive period in the | world's history have beaten their predecessors |
| 3410.93 | and utterly unknown epochs in the | world's history.
I can answer these questions |
1 | | | world—on | |
| 2398.307 | in the forms of life throughout the | world—On the affinities of extinct species to |
15 | | | worlds | |
| 1171.382 | of the caves of the Old and New | Worlds should be closely related, we might |
| 2472.1039 | which are common to the Old and New | Worlds be kept wholly out of view, the general |
| 2637.639 | is that between the New and Old | Worlds; yet if we travel over the vast |
| 2641.234 | in the conditions of the Old and New | Worlds, how widely different are their living |
| 2645.326 | productions of the New and Old | Worlds, excepting in the northern parts, where |
| 2767.538 | on the lowlands of the Old and New | Worlds, would be left isolated on distant |
| 2783.747 | productions of the Old and New | Worlds are separated from each other by the |
| 2787.29 | CHAP. XI.
habitants of the Old and New | Worlds lived further southwards than at |
| 2787.1192 | productions of the Old and New | Worlds, at a period anterior to the Glacial |
| 2789.484 | and animals, both in the Old and New | Worlds, began slowly to migrate southwards as |
| 2793.720 | the northern parts of the Old and New | Worlds will have been almost continuously |
| 2795.126 | common, which inhabited the New and Old | Worlds, migrated south of the Polar Circle |
| 2795.808 | and on the arctic lands of the two | Worlds. Hence it has come, that when we |
| 2795.927 | temperate regions of the New and Old | Worlds, we find very few identical
[page |
| 4850.9 | Edition. Fcap. 8vo. 4s. 6d.
——— More | Worlds than One. The Creed of the Philosopher |
1 | | | worm-like | |
| 3255.1104 | yet nearly all pass through a similar | worm-like stage of development; but in some few |
3 | | | worms | |
| 699.340 | epidemics appear to be due to parasitic | worms, which have from some cause, possibly |
| 3588.172 | insects flitting about, and with | worms crawling through the damp earth, and to |
| 5942.53 | from A.D. 590 to the Concordat of | Worms. A.D. 1123. Vol. 2. 8vo. 18s.
ROBINSON |
1 | | | wornum | |
| 6148.0 | Classes, Third Edition. 12mo. 2s.
| WORNUM (RALPH). A Biographical Dictionary of |
1 | | | worst | |
| 447.96 | any one is so careless as to allow his | worst animals to breed.
In regard to plants |
11 | | | worth | |
| 319.124 | complex and diversified. It is well | worth while carefully to study the several |
| 441.366 | would be so obvious as hardly to be | worth notice; but its importance consists in |
| 483.243 | man, has afforded us a single plant | worth culture. It is not that these countries |
| 570.191 | slight varieties as are barely thought | worth recording in works on natural history |
| 616.43 | is one other point which seems to me | worth notice. Varieties generally have much |
| 1070.6 | new sub-genera and genera.
It is | worth while to reflect for a moment on the |
| 2259.19 | similar conclusion.
One remark is here | worth a passing notice. During periods of |
| 2299.27 | chapter.
One other consideration is | worth notice: with animals and plants that |
| 2307.497 | against my views. Hence it will be | worth while to sum up the foregoing remarks |
| 2502.54 | remark connected with this subject | worth making. I have given my reasons for |
| 3129.10 | orders, and classes.
It may be | worth while to illustrate this view of |
1 | | | worthies | |
| 4800.17 | Post 8vo. 6s. 6d.
——— (JOHN) Naval | Worthies of Queen Elizabeth's Reign, their |
1 | | | worthless | |
| 295.426 | Many exotic plants have pollen utterly | worthless, in the same exact condition as in the |
5 | | | worthy | |
| 1018.1382 | variety, such as would be thought | worthy of record in a systematic work.
The |
| 2267.210 | two palæontologists, whose opinions are | worthy of much deference, namely Bronn and |
| 3255.861 | and again in spiders, "there is nothing | worthy to be called a metamorphosis." The |
| 3446.87 | they think sufficiently distinct to be | worthy of record in systematic works. No one |
| 3558.830 | varieties may hereafter be thought | worthy of specific names, as with the primrose |
488 | | | would | |
| 240.211 | on this subject, with a request that I | would forward it to Sir Charles Lyell, who |
| 250.441 | a conclusion, even if well founded, | would be unsatisfactory, until it could be |
| 252.41 | author of the 'Vestiges of Creation' | would, I presume, say that, after a certain |
| 258.251 | animals and of cultivated plants | would offer the best chance of making out |
| 305.490 | if any of the young had varied, all | would probably have varied in the same manner |
| 325.833 | way of viewing the whole subject, | would be, to look at the inheritance of every |
| 333.462 | so often and so boldly been made. There | would be great difficulty in proving its |
| 333.773 | nearly perfect reversion had ensued. It | would be quite necessary, in order to prevent |
| 337.391 | in which case, however, some effect | would have to be attributed to the direct |
| 337.469 | action of the poor soil), that they | would to a large extent, or even wholly |
| 337.577 | stock. Whether or not the experiment | would succeed, is not of great importance for |
| 337.1375 | almost infinite number of generations, | would be opposed to all experience. I may add |
| 345.263 | This point, if it could be cleared up, | would be interesting; if, for instance, it |
| 349.158 | of any single species, then such facts | would have great weight in making us doubt |
| 351.370 | he first tamed an animal, whether it | would vary in succeeding generations, and |
| 351.423 | succeeding generations, and whether it | would endure other climates? Has the little |
| 351.906 | generations under domestication, they | would vary on an average as largely as the |
| 383.136 | he were told that they were wild birds, | would certainly, I think, be ranked by him as |
| 383.254 | I do not believe that any ornithologist | would place
[page] 23 CHAP. I. DOMESTIC |
| 425.278 | life, and some little to habit; but he | would be a bold man who would account by such |
| 425.302 | habit; but he would be a bold man who | would account by such agencies for the |
| 435.931 | breeders have done for sheep, says:—"It | would seem as if they had chalked out upon a |
| 435.1134 | say, with respect to pigeons, that "he | would produce any given feather in three |
| 435.1189 | given feather in three years, but it | would take him six years to obtain head and |
| 441.330 | and breeding from it, the principle | would be so obvious as hardly to be worth |
| 441.978 | qualities, he will assuredly fail. Few | would readily believe in the natural capacity |
| 455.1119 | attended to by the lowest savages. It | would, indeed, have been a strange fact, had |
| 461.53 | process, continued during centuries, | would improve and modify any breed, in the |
| 471.198 | to them, for any special purpose, | would be carefully preserved during famines |
| 471.319 | are so liable, and such choice animals | would thus generally leave more offspring |
| 471.412 | ones; so that in this case there | would be a kind of unconscious selection |
| 477.371 | or with their parent-stocks. No one | would ever expect to get a first-rate |
| 477.468 | from the seed of a wild plant. No one | would expect to raise a first-rate melting |
| 485.321 | different constitutions or structure, | would often succeed better in the one country |
| 491.69 | in some slight degree by nature. No man | would ever try to make a fantail, till he saw |
| 491.355 | it first appeared, the more likely it | would be to catch his attention. But to use |
| 491.617 | what the descendants of that pigeon | would become through long-continued, partly |
| 493.61 | that some great deviation of structure | would be necessary to catch the fancier's eye |
| 493.264 | possession. Nor must the value which | would formerly be set on any slight |
| 493.384 | be judged of by the value which | would now be set on them, after several |
| 530.79 | fur of an animal from far northwards, | would not in some cases be inherited for at |
| 530.192 | in this case I presume that the form | would be called a variety.
Again, we have |
| 532.1009 | that the most experienced naturalist | would be surprised at the number of the cases |
| 532.1573 | the great central ganglion of an insect | would have been variable in the same species |
| 552.11 | CHAP. II. DOUBTFUL SPECIES.
be doubted | would be ranked as distinct species by many |
| 576.406 | in numbers the parent species, it | would then rank as the species, and the |
| 596.154 | of the larger genera in each country | would oftener present varieties, than the |
| 596.623 | we might expect that the circumstances | would generally be still favourable to |
| 602.907 | increasing; for if this had been so, it | would have been fatal to my theory; inasmuch |
| 653.352 | of geometrical increase, its numbers | would quickly become so inordinately great |
| 657.85 | all cannot do so, for the world | would not hold them.
There is no exception |
| 659.131 | rate, that if not destroyed, the earth | would soon be covered by the progeny of a |
| 659.292 | rate, in a few thousand years, there | would literally not be standing room for his |
| 659.545 | and so on, then in twenty years there | would be a million plants. The elephant is |
| 659.956 | at the end of the fifth century there | would be alive fifteen million elephants |
| 661.567 | had not been well authenticated, they | would have been quite incredible. So it is |
| 667.240 | at a geometrical ratio, that all | would most rapidly stock every station in |
| 667.650 | in a state of nature an equal number | would have somehow to be disposed of.
The |
| 669.158 | few, is, that the slow-breeders | would require a few more years to people |
| 673.1068 | or the species will become extinct. It | would suffice to keep up the full number of a |
| 681.1468 | which has long been mown, and the case | would be the same with turf closely browsed |
| 687.525 | if no vermin were destroyed, there | would, in all probability, be less game than |
| 711.910 | barren and so extensive that no one | would ever have imagined that cattle would |
| 711.947 | would ever have imagined that cattle | would have so closely and effectually |
| 713.767 | were to increase in Paraguay, the flies | would decrease—then cattle and horses would |
| 713.805 | would decrease—then cattle and horses | would become feral, and this would certainly |
| 713.834 | and horses would become feral, and this | would certainly greatly alter (as
[page |
| 717.77 | America) the vegetation: this again | would largely affect the insects; and this |
| 717.606 | though assuredly the merest trifle | would often give the victory to one organic |
| 723.63 | England, the heartsease and red clover | would become very rare, or wholly disappear |
| 747.372 | of constitution with respect to climate | would clearly be an advantage to our plant |
| 770.138 | advantage, however slight, over others, | would have the best chance of surviving and |
| 770.294 | variation in the least degree injurious | would be rigidly destroyed. This preservation |
| 770.474 | Variations neither useful nor injurious | would not be affected by natural selection |
| 770.522 | be affected by natural selection, and | would be left a fluctuating element, as |
| 772.201 | proportional numbers of its inhabitants | would almost immediately undergo a change |
| 772.539 | of the change of climate itself, | would most seriously affect many of the |
| 772.638 | were open on its borders, new forms | would certainly immigrate, and this also |
| 772.679 | certainly immigrate, and this also | would seriously disturb the relations of some |
| 772.1059 | places in the economy of nature which | would assuredly be better filled up, if some |
| 776.7 | NATURAL SELECTION. CHAP. IV.
places | would have been seized on by intruders. In |
| 776.256 | them to their altered conditions, | would tend to be preserved; and natural |
| 776.306 | to be preserved; and natural selection | would thus have free scope for the work of |
| 778.280 | to have undergone a change, and this | would manifestly be favourable to natural |
| 778.1189 | structure or habits of one inhabitant | would often give it an advantage over others |
| 778.1284 | further modifications of the same kind | would often still further increase the |
| 792.545 | at some period of their lives, | would increase in countless numbers; they are |
| 796.403 | of an animal of any particular colour | would produce little effect: we should |
| 796.1200 | in a state of nature, where the trees | would have to struggle with other trees and |
| 796.1285 | a host of enemies, such differences | would effectually settle which variety |
| 804.1704 | injurious: for if they became so, they | would cause the extinction of the species |
| 810.1120 | advantage, the process of modification | would be very slow, and there would be |
| 810.1150 | would be very slow, and there | would be simultaneously the most rigorous |
| 810.1308 | hardest beaks, for all with weak beaks | would inevitably perish: or, more delicate |
| 816.618 | sex. A hornless stag or spurless cock | would have a poor chance of leaving offspring |
| 828.124 | to their male offspring. Yet, I | would not wish to attribute all such sexual |
| 828.701 | tuft appeared under domestication, it | would have been called a monstrosity |
| 830.646 | that the swiftest and slimmest wolves | would have the best chance of surviving, and |
| 836.696 | benefited an individual wolf, it | would have the best chance of surviving and |
| 836.780 | of leaving offspring. Some of its young | would probably inherit the same habits or |
| 836.908 | a new variety might be formed which | would either supplant or coexist with the |
| 836.1064 | and those frequenting the lowlands, | would naturally be forced to hunt different |
| 836.1254 | might slowly be formed. These varieties | would cross and blend where they met; but to |
| 842.340 | this case insects in seeking the nectar | would get dusted with pollen, and would |
| 842.374 | would get dusted with pollen, and | would certainly often transport the pollen |
| 842.526 | individuals of the same species | would thus get crossed; and the act of |
| 842.652 | hereafter be more fully alluded to), | would produce very vigorous seedlings, which |
| 842.710 | vigorous seedlings, which consequently | would have the best chance of flourishing and |
| 842.791 | and surviving. Some of these seedlings | would probably inherit the nectar-excreting |
| 842.942 | and which excreted most nectar, | would be oftenest visited by insects, and |
| 842.984 | be oftenest visited by insects, and | would be oftenest crossed; and so in the long |
| 842.1034 | crossed; and so in the long-run | would gain the upper hand. Those flowers |
| 842.1292 | of their pollen from flower to flower, | would likewise be favoured or selected. We |
| 842.1908 | and had larger and larger anthers, | would be selected.
[page] 93 CHAP. IV |
| 846.173 | highly attractive to insects, they | would, unintentionally on their part |
| 846.1757 | labour;" hence we may believe that it | would be advantageous to a plant to produce |
| 850.389 | separation of the sexes of our plant | would be advantageous on the principle of the |
| 850.511 | this tendency more and more increased, | would be continually favoured or selected |
| 850.603 | last a complete separation of the sexes | would be effected.
Let us now turn to the |
| 852.787 | so that an individual so characterised | would be able to obtain its food more quickly |
| 852.913 | leaving descendants. Its descendants | would probably inherit a tendency to a |
| 876.19 | CHAP. IV.
supposed that bees | would thus produce a multitude of hybrids |
| 912.885 | that whatever intercrossing took place | would be chiefly between the individuals of |
| 922.459 | of the same species, which otherwise | would have inhabited the surrounding and |
| 970.1182 | and in a greater degree; but this alone | would never account for so habitual and large |
| 976.631 | bulky horses. The early differences | would be very slight; in the course of time |
| 976.789 | ones by others, the differences | would become greater, and would be noted as |
| 976.815 | differences would become greater, and | would be noted as forming two sub-breeds |
| 976.911 | the lapse of centuries, the sub-breeds | would become converted into two well |
| 982.755 | animal became, the more places they | would be enabled to occupy. What applies to |
| 982.1670 | including its modified descendants, | would succeed in living on the same piece of |
| 986.135 | varieties of any one species of grass | would always have the best chance of |
| 994.147 | in becoming naturalised in any land | would generally have been closely allied to |
| 994.362 | been expected that naturalised plants | would have belonged to a few groups more |
| 996.218 | idea in what manner some of the natives | would have had to be modified, in order to |
| 996.426 | amounting to new generic differences, | would have been profitable to them.
The |
| 1018.1365 | a fairly well-marked variety, such as | would be thought worthy of record in a |
| 1020.109 | each a thousand generations; but it | would have been better if each had |
| 1038.91 | the successive generations. This case | would be represented in the diagram, if all |
| 1042.59 | is probable that more than one species | would vary. In the diagram I have assumed |
| 1090.511 | to be advantageous to them, I think it | would be a most extraordinary fact if no |
| 1119.974 | of facts which cannot be here given | would be necessary to show the truth of the |
| 1133.553 | action of the severe climate? for it | would appear that climate has some direct |
| 1155.440 | to enlarge or to reduce the wings, | would depend on whether a greater number of |
| 1155.650 | mariners shipwrecked near a coast, it | would have been better for the good swimmers |
| 1155.751 | able to swim still further, whereas it | would have been better for the bad swimmers |
| 1159.908 | advantage; and if so, natural selection | would constantly aid the effects of disuse |
| 1171.118 | to those of the surrounding country. It | would be most difficult to give any rational |
| 1219.453 | of descendants with diverse habits, | would naturally be thought to be correlated |
| 1231.1140 | though effected by slow steps, | would be a decided advantage to each |
| 1231.1306 | is exposed, each individual Proteolepas | would have a better chance of supporting |
| 1245.1053 | in the class mammalia; but the rule | would not here apply, because there is a |
| 1245.1131 | a whole group of bats having wings; it | would apply only if some one species of bat |
| 1251.223 | out that it applies to plants, and this | would seriously have shaken my belief in its |
| 1269.265 | flowers and some had red, the colour | would be only a specific character, and no |
| 1269.312 | only a specific character, and no one | would be surprised at one of the blue species |
| 1269.443 | species had blue flowers, the colour | would become a generic character, and its |
| 1269.495 | a generic character, and its variation | would be a more unusual circumstance. I have |
| 1269.638 | case applicable, which most naturalists | would advance, namely, that specific |
| 1273.58 | in our chapter on Classification. It | would be almost superfluous to adduce |
| 1287.1316 | variable; variations of this part | would it is highly probable, be taken |
| 1311.136 | parent, it might be expected that they | would occasionally vary in an analogous |
| 1311.217 | so that a variety of one species | would resemble in some of its characters |
| 1311.380 | variety. But characters thus gained | would probably be of an unimportant nature |
| 1311.735 | that the species of the same genus | would occasionally exhibit reversions to lost |
| 1315.402 | and which it does not appear probable | would all appear together from simple |
| 1339.259 | so much striped that any one at first | would have thought that it must have been the |
| 1339.1448 | a stripe of colour appears from what | would commonly be called an accident, that I |
| 1351.678 | of God a mere mockery and deception; I | would almost as soon believe with the old and |
| 1406.158 | during a long period. Geology | would lead us to believe that almost every |
| 1412.482 | every species, even in its metropolis, | would increase immensely in numbers, were it |
| 1418.578 | varieties in the genus Balanus. And it | would appear from information given me by Mr |
| 1420.40 | For any form existing in lesser numbers | would, as already remarked, run a greater |
| 1420.197 | particular case the intermediate form | would be eminently liable to the inroads of |
| 1442.315 | transitional state have subsisted? It | would be easy to show that within the same |
| 1446.241 | into a flying bat, the question | would have been far more difficult, and I |
| 1454.33 | become modified, and all analogy | would lead us to believe that some at least |
| 1454.94 | that some at least of the squirrels | would decrease in numbers or become |
| 1456.932 | as the organs of flight are concerned, | would convert it into a bat. In bats which |
| 1458.73 | had become extinct or were unknown, who | would have ventured to have
[page |
| 1464.476 | animals. If this had been effected, who | would have ever imagined that in an early |
| 1470.303 | that fishes capable of true flight | would have been developed under many |
| 1472.144 | species. When either case occurs, it | would be easy for natural selection to fit |
| 1478.213 | on my theory, that such individuals | would occasionally have given rise to new |
| 1484.140 | when unwillingly it takes flight, | would be mistaken by any one for an auk or |
| 1484.379 | the dead body of the water-ouzel | would never have suspected its sub-aquatic |
| 1516.159 | slight modifications, my theory | would absolutely break down. But I can find |
| 1536.1095 | than have sessile cirripedes, who | would ever have imagined that the branchiæ in |
| 1546.602 | have expected that all electric fishes | would have been specially related to each |
| 1560.135 | being, to say what slight modifications | would be of importance or not. In a former |
| 1560.1042 | themselves from these small enemies, | would be able to range into new pastures and |
| 1580.440 | breeds; and a mountainous country | would probably affect the hind limbs from |
| 1580.625 | the front limbs and even the head | would probably be affected. The shape, also |
| 1580.807 | breathing necessary in high regions | would, we have some reason to believe |
| 1580.900 | of the chest; and again correlation | would come into play. Animals kept by savages |
| 1580.1023 | struggle for their own subsistence, and | would be exposed to a certain extent to |
| 1580.1136 | with slightly different constitutions | would succeed best under different climates |
| 1580.1437 | by certain plants; so that colour | would be thus subjected to the action of |
| 1584.406 | on copious details my reasoning | would appear frivolous.
The foregoing |
| 1586.343 | mere variety. This doctrine, if true, | would be absolutely fatal to my theory. Yet I |
| 1596.179 | exclusive good of another species, it | would annihilate my theory, for such could |
| 1596.664 | namely, to warn its prey to escape. I | would almost as soon believe that the cat |
| 1649.102 | chapters; but I have thought that it | would be more convenient to treat the subject |
| 1651.50 | attempt any definition of instinct. It | would be easy to show that several distinct |
| 1661.434 | to have done so instinctively. But it | would be the most serious error to suppose |
| 1675.110 | interval, I felt sure that the aphides | would want to excrete. I watched them for |
| 1697.170 | but this, I think, is not true. No one | would ever have thought of teaching, or |
| 1697.750 | It may be doubted whether any one | would have thought of training a dog to point |
| 1697.1078 | training in each successive generation | would soon complete the work; and unconscious |
| 1717.153 | sit on her own eggs, those first laid | would have to be left for some time |
| 1717.211 | for some time unincubated, or there | would be eggs and young birds of different |
| 1717.455 | period; and the first hatched young | would probably have to be fed by the male |
| 1717.1471 | the old birds or the fostered young | would gain an advantage. And analogy would |
| 1717.1508 | would gain an advantage. And analogy | would lead me to believe, that the young thus |
| 1717.1561 | to believe, that the young thus reared | would be apt to follow by inheritance the |
| 1717.1668 | of their mother, and in their turn | would be apt to lay their eggs in other birds |
| 1725.321 | the pollen-collecting apparatus which | would be necessary if they had to store food |
| 1731.253 | slaves; without their aid, the species | would certainly become extinct in a single |
| 1731.1266 | known of any other slave-making ant, it | would have been hopeless to have speculated |
| 1757.331 | the ants thus unintentionally reared | would then follow their proper instincts, and |
| 1763.641 | with fitting tools and measures, | would find it very difficult to make cells of |
| 1767.1751 | of nearness to each other, that they | would have intersected or broken into each |
| 1773.237 | a double layer, the resulting structure | would probably have been as perfect as the |
| 1781.158 | themselves not very wonderful, this bee | would make a structure as wonderfully perfect |
| 1781.322 | spherical, and of equal sizes; and this | would not be very surprising, seeing that she |
| 1789.382 | same depth as in the former experiment, | would have broken into each other from the |
| 1803.343 | the construction of the cells; but it | would be a great error to suppose that the |
| 1813.826 | met at an angle, how often the bees | would entirely pull down and rebuild in |
| 1819.1015 | any such case has been observed; nor | would any good be derived from a single |
| 1819.1114 | as in its construction more materials | would be required than for a cylinder.
As |
| 1825.1011 | can in this case be no doubt that it | would be an advantage to our humble-bee, if a |
| 1825.1219 | in common even to two adjoining cells, | would save some little wax. Hence it would |
| 1825.1256 | would save some little wax. Hence it | would continually be more and more |
| 1825.1520 | of the bounding surface of each cell | would serve to bound other cells, and much |
| 1825.1567 | to bound other cells, and much wax | would be saved. Again, from the same cause |
| 1825.1614 | saved. Again, from the same cause, it | would be advantageous to the Melipona, if she |
| 1825.1797 | as we have seen, the spherical surfaces | would wholly disappear, and would all be |
| 1825.1825 | surfaces would wholly disappear, and | would all be replaced by plane surfaces; and |
| 1829.0 | page] 235 CHAP. VII. NEUTER INSECTS.
| would make a comb as perfect as that of the |
| 1839.1042 | the workers and the perfect females, | would have been far better exemplified by the |
| 1877.290 | for had they been fertile, they | would have intercrossed, and their instincts |
| 1877.349 | and their instincts and structure | would have become blended. And nature has, as |
| 1924.595 | pollen; and I am convinced that this | would be injurious to their fertility |
| 1924.1285 | though probably on the same plant, | would be thus effected. Moreover, whenever |
| 1924.1403 | so careful an observer as Gärtner | would have castrated his hybrids, and this |
| 1924.1446 | have castrated his hybrids, and this | would have insured in each generation a cross |
| 1942.251 | believes to be the case, the fact | would have been notorious to nurserymen |
| 1948.639 | least tendency to sterility, the breed | would assuredly be lost in a very few |
| 1956.769 | whether the several aboriginal species | would at first have freely bred together and |
| 1966.903 | never have produced, and probably never | would produce, even with the pollen of either |
| 1966.1173 | to wither earlier than it otherwise | would have done; and the early withering of |
| 2000.295 | all of which we must suppose it | would be equally important to keep from |
| 2022.567 | the male element reaching the ovule, as | would be the case with a plant having a |
| 2080.161 | variety if infertile in any degree | would generally be ranked as species; from |
| 2094.351 | we might expect that such variability | would often continue and be super-added to |
| 2110.724 | the perfect character of either parent | would be more likely to occur with mongrels |
| 2112.320 | by secondary laws, this similarity | would be an
[page] 276 HYBRIDISM. CHAP. VIII |
| 2149.1103 | evidence regarding their origin, it | would not have been possible to have
[page |
| 2157.227 | existed between them. But such a case | would imply that one form had remained for a |
| 2213.543 | than elsewhere, the above estimate | would be erroneous; but this source of doubt |
| 2213.597 | but this source of doubt probably | would not greatly affect the estimate as |
| 2213.968 | on the subject, assume that the sea | would eat into cliffs 500 feet in height at |
| 2213.1324 | any rock, even as soft as chalk, | would yield at this rate excepting on the |
| 2213.1436 | doubt the degradation of a lofty cliff | would be more rapid from the breakage of the |
| 2217.45 | inch per century for the whole length | would be an ample allowance. At this rate, on |
| 2219.119 | could hardly have been great, but it | would somewhat reduce the above estimate. On |
| 2219.413 | for perhaps equally long periods, it | would, likewise, have escaped the action of |
| 2235.699 | confined to these large territories, | would never have suspected that during the |
| 2267.569 | in the middle of any formation, it | would be rash in the extreme to infer that it |
| 2267.750 | layers have been deposited, it | would be equally rash to suppose that it then |
| 2281.3 | near their upper or lower limits.
It | would seem that each separate formation, like |
| 2285.417 | yet no one ignorant of this fact | would have suspected the vast lapse of time |
| 2285.956 | during the process of deposition, which | would never even have been suspected, had not |
| 2285.1629 | any one geological period, a section | would not probably include all the fine |
| 2291.555 | intermediate between B and C, it | would simply be ranked as a third and |
| 2299.1046 | to new species; and this again | would greatly lessen the chance of our being |
| 2307.171 | groups less wide than they otherwise | would have been, yet has done scarcely |
| 2311.120 | have ever lived there, how imperfectly | would they represent the natural history of |
| 2313.88 | productions of the archipelago | would be preserved in an excessively |
| 2313.311 | which lived on naked submarine rocks, | would be embedded; and those embedded in |
| 2313.368 | and those embedded in gravel or sand, | would not endure to a distant epoch. Wherever |
| 2315.250 | subsidence. These periods of subsidence | would be separated from each other by |
| 2315.330 | intervals, during which the area | would be either stationary or rising; whilst |
| 2315.412 | rising, each fossiliferous formation | would be destroyed, almost as soon as |
| 2315.579 | During the periods of subsidence there | would probably be much extinction of life |
| 2315.661 | during the periods of elevation, there | would be much variation, but the geological |
| 2315.712 | variation, but the geological record | would then be least perfect.
It may be |
| 2317.178 | accumulation of sediment, | would exceed the average duration of the same |
| 2321.171 | fully preserved, transitional varieties | would merely appear as so many distinct |
| 2321.279 | that each great period of subsidence | would be interrupted by oscillations of level |
| 2321.359 | level, and that slight climatal changes | would intervene during such lengthy periods |
| 2321.458 | the inhabitants of the archipelago | would have to migrate, and no closely |
| 2323.145 | and analogy leads me to believe that it | would be chiefly these far-ranging species |
| 2323.194 | chiefly these far-ranging species which | would oftenest produce new varieties; and the |
| 2323.250 | new varieties; and the varieties | would at first generally be local or confined |
| 2323.397 | further modified and improved, they | would slowly spread and supplant their parent |
| 2323.511 | to their ancient homes, as they | would differ from their former state, in a |
| 2323.615 | perhaps extremely slight degree, they | would, according to the principles followed |
| 2325.510 | different stages of the same formation, | would, by most palæonto-
[page |
| 2331.464 | started into life all at once, the fact | would be fatal to the theory of descent with |
| 2337.335 | organisms, a comparatively short time | would be necessary to produce many divergent |
| 2337.393 | to produce many divergent forms, which | would be able to spread rapidly and widely |
| 2345.687 | during the secondary periods, they | would certainly have been preserved and |
| 2351.596 | of the chalk formation, the fact | would certainly be highly remarkable; but I |
| 2351.659 | remarkable; but I cannot see that it | would be an insuperable difficulty on my |
| 2351.1532 | the tropical parts of the Indian Ocean | would form a large and perfectly enclosed |
| 2355.10 | OF THE CHAP. IX.
here they | would remain confined, until some of the |
| 2357.410 | beings throughout the world, as it | would be for a naturalist to land for five |
| 2363.66 | the progenitors of these orders, they | would almost certainly have been long ago |
| 2375.443 | palæozoic and secondary formations | would in all probability have been |
| 2379.10 | CHAP. IX. GEOLOGICAL RECORD.
tear; and | would have been at least partially upheaved |
| 2420.445 | not be identically the same; for both | would almost certainly inherit different |
| 2424.263 | pigeon, for the newly-formed fantail | would be almost sure to inherit from its new |
| 2428.184 | explanation of this fact, which if true | would have been fatal to my views. But such |
| 2434.490 | Barrande, &c., whose general views | would naturally lead them to this conclusion |
| 2444.238 | but in some degree rare, no naturalist | would have felt the least surprise at its |
| 2444.852 | under more favourable conditions it | would in a very few years have stocked the |
| 2444.1282 | the fact, yet the fossil horse | would certainly have become rarer and rarer |
| 2472.1201 | palæozoic and tertiary periods, | would still be manifest, and the several |
| 2474.452 | to their geological position, no one | would have suspected that they had coexisted |
| 2480.582 | Australia, the most skilful naturalist | would hardly be able to say whether the |
| 2480.1080 | day on the shores of North America | would hereafter be liable to be classed with |
| 2480.1550 | found in the older underlying deposits, | would be correctly ranked as simultaneous in |
| 2488.340 | the other forms in their own country, | would naturally oftenest give rise to new |
| 2492.145 | of other species, should be those which | would have the best chance of spreading still |
| 2492.484 | succeed in spreading. The diffusion | would, it is probable, be slower with the |
| 2494.147 | course, or even their existence, | would cease. We know not at all precisely |
| 2494.482 | with many already existing forms, | would be highly favourable, as would be the |
| 2494.513 | forms, would be highly favourable, as | would be the power of spreading into new |
| 2494.635 | recurring at long intervals of time, | would probably be also favourable, as before |
| 2494.990 | their inhabitants met, the battle | would be prolonged and severe; and some from |
| 2498.57 | the highest degree, wherever produced, | would tend everywhere to prevail. As they |
| 2498.115 | to prevail. As they prevailed, they | would cause the extinction of other and |
| 2498.199 | forms; and as these inferior forms | would be allied in groups by inheritance |
| 2498.254 | in groups by inheritance, whole groups | would tend slowly to disappear; though here |
| 2506.658 | in the forms of life; but the species | would not exactly correspond; for there will |
| 2512.427 | of the form of life, and the order | would falsely appear to be strictly parallel |
| 2512.498 | parallel; nevertheless the species | would not all be the same in the apparently |
| 2520.371 | classification many fossil species | would have to stand between living species |
| 2520.766 | ancient members of the same two groups | would be distinguished by a somewhat lesser |
| 2522.296 | the course of geological ages; and it | would be difficult to prove the truth of the |
| 2536.234 | existing families on the uppermost line | would be rendered less distinct from each |
| 2536.379 | were disinterred, these three families | would be so closely linked together that they |
| 2536.434 | linked together that they probably | would have to be united into one great family |
| 2536.693 | together, intermediate in character, | would be justified, as they are intermediate |
| 2536.1079 | hand (namely, a14, &c., and b14, &c.) | would have to be united into one family; and |
| 2536.1210 | including five genera, and o14 to m14) | would yet remain distinct. These two families |
| 2536.1266 | distinct. These two families, however, | would be less distinct from each other than |
| 2540.201 | genera, at the early period marked VI., | would differ by a lesser number of characters |
| 2556.618 | be in serial affinity, this arrangement | would not closely accord with the order in |
| 2570.391 | quarter, the eocene fauna or flora | would certainly be beaten and exterminated |
| 2570.438 | be beaten and exterminated; as | would a secondary fauna by an eocene, and a |
| 2570.1200 | of time a multitude of British forms | would become thoroughly naturalized there |
| 2570.1247 | thoroughly naturalized there, and | would exterminate many of the natives. On the |
| 2570.1573 | whether any considerable number | would be enabled to seize on places now |
| 2578.477 | the same groups at the present day, it | would be vain to look for animals having the |
| 2586.101 | types within the same areas mean? He | would be a bold man, who after comparing the |
| 2586.230 | South America under the same latitude, | would attempt to account, on the one hand, by |
| 2596.1118 | out and have left no progeny. Or, which | would probably be a far commoner case, two or |
| 2637.390 | conclusion. The case of America alone | would almost suffice to prove its truth: for |
| 2643.219 | similar in all their conditions, yet it | would not be possible to point out three |
| 2681.1042 | to one area. What a strange anomaly it | would be, if, when coming one step lower in |
| 2687.244 | migrated thence as far as it could. It | would be hopelessly tedious to discuss all |
| 2693.396 | few hundreds of miles from a continent, | would probably receive from it in the course |
| 2693.506 | and their descendants, though modified, | would still be plainly related by inheritance |
| 2711.1013 | the land, some at least of the islands | would have been formed, like other mountain |
| 2717.1708 | by sea-currents during 28 days, and | would retain their power of germination. In |
| 2721.214 | favourable spot by an inland gale, they | would germinate.
Subsequently to my |
| 2723.373 | which live near the sea; and this | would have favoured the average length of |
| 2723.608 | the fruit; and this, as we have seen, | would have caused some of them to have |
| 2723.818 | doubt that plants exposed to the waves | would float for a less time than those |
| 2723.925 | as in our experiments. Therefore it | would perhaps be safer to assume that the |
| 2723.1096 | a space of sea 900 miles in width, and | would then germinate. The fact of the larger |
| 2731.293 | such circumstances their rate of flight | would often be 35 miles an hour; and some |
| 2741.317 | that the earth adhering to their feet | would sometimes include a few minute seeds |
| 2749.10 | DISTRIBUTION, CHAP. XI.
years, it | would I think be a marvellous fact if many |
| 2749.344 | that scarcely any means of transport | would carry seeds for very great distances |
| 2749.584 | of birds. These means, however, | would suffice for occasional transport across |
| 2749.827 | The floras of distant continents | would not by such means become mingled in any |
| 2749.891 | become mingled in any great degree; but | would remain as distinct as we now see them |
| 2749.975 | to be. The currents, from their course, | would never bring seeds from North America to |
| 2749.1529 | accident. Even in this case, how small | would the chance be of a seed falling on |
| 2749.1618 | soil, and coming to maturity! But it | would be a great error to argue that because |
| 2749.1742 | has not, as far as is known (and it | would be very difficult to prove this |
| 2753.138 | standing more remote from the mainland, | would not receive colonists by similar means |
| 2753.328 | than Britain, scarcely more than one | would be so well fitted to its new home, as |
| 2753.458 | me, is no valid argument against what | would be effected by occasional means of |
| 2753.780 | every seed, which chanced to arrive, | would be sure to germinate and survive |
| 2761.476 | more temperate inhabitants, the latter | would be supplanted and arctic productions |
| 2761.519 | be supplanted and arctic productions | would take their places. The inhabitants of |
| 2761.590 | of the more temperate regions | would at the same time travel southward |
| 2761.688 | stopped by barriers, in which case they | would perish. The mountains would become |
| 2761.716 | case they would perish. The mountains | would become covered with snow and ice, and |
| 2761.792 | and their former Alpine inhabitants | would descend to the plains. By the time that |
| 2765.111 | temperate regions of the United States | would likewise be covered by arctic plants |
| 2765.177 | by arctic plants and animals, and these | would be nearly the same with those of Europe |
| 2767.41 | the warmth returned, the arctic forms | would retreat northward, closely followed up |
| 2767.226 | of the mountains, the arctic forms | would seize on the cleared and thawed ground |
| 2767.546 | the lowlands of the Old and New Worlds, | would be left isolated on distant mountain |
| 2817.908 | period simultaneously cooler. But it | would suffice for my purpose, if the |
| 2839.1765 | even crossed the equator. The invasion | would, of course, have been greatly favoured |
| 2845.304 | warmth returned, these temperate forms | would naturally ascend the higher mountains |
| 2845.426 | which had not reached the equator, | would re-migrate northward or southward |
| 2849.71 | which had crossed the equator, | would travel still further from their homes |
| 2880.134 | thought that fresh-water productions | would not have ranged widely within the same |
| 2880.266 | impassable barrier, that they never | would have extended to distant countries. But |
| 2882.301 | stream; and liability to wide dispersal | would follow from this capacity as an almost |
| 2892.1342 | at a somewhat more advanced age they | would voluntarily drop off. These just |
| 2892.1596 | least six or seven hundred miles, and | would be sure to alight on a pool or rivulet |
| 2898.659 | edges of ponds, if suddenly flushed, | would be the most likely to have muddy feet |
| 2898.852 | barren islands in the open ocean; they | would not be likely to alight on the surface |
| 2898.926 | surface of the sea, so that the dirt | would not be washed off their feet; when |
| 2898.985 | off their feet; when making land, they | would be sure to fly to their natural fresh |
| 2902.147 | Considering these facts, I think it | would be an inexplicable circumstance if |
| 2904.1055 | pond and getting a hearty meal of fish, | would probably reject from its stomach a |
| 2910.547 | from the waters of a foreign country, | would have a better chance of seizing on a |
| 2916.462 | which, if legitimately followed out, | would lead to the belief that within the |
| 2916.600 | joined to some continent. This view | would remove many difficulties, but it would |
| 2916.639 | would remove many difficulties, but it | would not, I think, explain all the facts in |
| 2936.537 | but still retaining its hooked seeds, | would form an endemic species, having as |
| 2936.943 | may be, confined ranges. Hence trees | would be little likely to reach distant |
| 2936.1035 | and an herbaceous plant, though it | would have no chance of successfully |
| 2936.1324 | other plants. If so, natural selection | would often tend to add to the stature of |
| 2942.913 | water, on my view we can see that there | would be great difficulty in their |
| 2942.1115 | should not have been created there, it | would be very difficult to explain.
Mammals |
| 2960.696 | for on this latter view the migration | would probably have been more complete; and |
| 2960.791 | be admitted, all the forms of life | would have been more equally modified, in |
| 2966.606 | efficient means for their transportal. | Would the just-hatched young occasionally |
| 2972.1805 | is obvious that the Galapagos Islands | would be likely to receive colonists, whether |
| 2976.110 | from Africa; and that such colonists | would be liable to modification;—the |
| 2984.679 | situated so near each other that they | would almost certainly receive immigrants |
| 2988.426 | spread from one island to another, it | would undoubtedly be exposed to different |
| 2988.520 | life in the different islands, for it | would have to compete with different sets of |
| 2988.599 | of organisms: a plant, for instance, | would find the best-fitted ground more |
| 2988.714 | in one island than in another, and it | would be exposed to the attacks of somewhat |
| 2988.814 | If then it varied, natural selection | would probably favour different varieties in |
| 2994.752 | we are apt to infer that most species | would thus spread; but we should remember |
| 3004.47 | mountain, as it became slowly upheaved, | would naturally be colonised from the |
| 3006.479 | this rule is generally true, though it | would be difficult to prove it. Amongst |
| 3010.467 | a little greater, the two varieties | would have been ranked as distinct species |
| 3010.532 | distinct species, and the common range | would have been greatly reduced. Still less |
| 3032.1630 | of varying more or less rapidly, there | would ensue in different regions |
| 3032.1757 | diversified conditions of life,—there | would be an almost endless amount of organic |
| 3057.277 | constellations. The existence of groups | would have been of simple signification, if |
| 3075.487 | of each being in the economy of nature, | would be of very high importance in |
| 3089.770 | this external and trifling character | would, I think, have been considered by |
| 3127.284 | had been written in a linear series, it | would have been still less possible to have |
| 3129.192 | arrangement of the races of man | would afford the best classification of the |
| 3129.408 | had to be included, such an arrangement | would, I think, be the only possible one. Yet |
| 3129.846 | in the languages from the same stock, | would have to be expressed by groups |
| 3129.955 | or even only possible arrangement | would still be genealogical; and this would |
| 3129.993 | would still be genealogical; and this | would be strictly natural, as
[page |
| 3133.3 | CHAP. XIII. CLASSIFICATION.
it | would connect together all languages, extinct |
| 3133.92 | modern, by the closest affinities, and | would give the filiation and origin of each |
| 3135.1392 | pedigree, a genealogical classification | would be universally preferred; and it has |
| 3135.1570 | the principle of inheritance | would keep the forms together which were |
| 3139.430 | descended from the Negro, I think he | would be classed under the Negro group |
| 3145.467 | of a bear? According to all analogy, it | would be ranked with bears; but then |
| 3145.559 | other species of the kangaroo family | would have to be classed under the bear genus |
| 3173.953 | and Lepidosiren, for example, | would not have been less aberrant had each |
| 3191.211 | were suddenly to reappear, though it | would be quite impossible to give definitions |
| 3191.326 | distinguished from other groups, as all | would blend together by steps as fine as |
| 3191.486 | or at least a natural arrangement, | would be possible. We shall see this by |
| 3191.954 | the finest varieties. In this case it | would be quite impossible to give any |
| 3191.1215 | the natural arrangement in the diagram | would still hold good; and, on the principle |
| 3191.1319 | the forms descended from A, or from I, | would have something in common. In a tree we |
| 3233.187 | flowers as metamorphosed leaves; but it | would in these cases probably be more correct |
| 3237.137 | numerous characters, which they | would probably have retained through |
| 3267.47 | a little earlier or later in life. It | would not signify, for instance, to a bird |
| 3277.562 | in length and form of beak, that they | would, I cannot doubt, be ranked in distinct |
| 3291.305 | faced tumbler) the young or embryo | would closely
[page] 448 EMBRYOLOGY. CHAP |
| 3295.397 | earliest age, we can see that this | would result from the two following |
| 3295.722 | their parents; for in this case, it | would be indispensable for the existence of |
| 3295.1728 | of locomotion or of the senses, &c., | would be useless; and in this case the final |
| 3295.1787 | in this case the final metamorphosis | would be said to be retrograde.
As all the |
| 3301.208 | perfect, the only possible arrangement, | would be genealogical. Descent being on my |
| 3323.493 | no trace of an organ, which analogy | would lead us to expect to find, and which is |
| 3331.598 | merely a restatement of the fact. | Would it be thought sufficient to say that |
| 3337.1280 | and in this case natural selection | would continue slowly to reduce the organ |
| 3343.813 | to be possible) the rudimentary part | would tend to be wholly lost, and we should |
| 3442.125 | might have expected that organic beings | would have varied under nature, in the same |
| 3442.299 | be any variability under nature, it | would be an unaccountable fact if natural |
| 3448.210 | excessively complex relations of life, | would be preserved, accumulated, and |
| 3460.187 | in increasing in size, for the world | would not hold them, the more dominant groups |
| 3482.36 | and therefore these same characters | would be more likely still to be variable |
| 3490.362 | varieties. On the other hand, these | would be strange facts if species have been |
| 3530.744 | geological record is so perfect that it | would have afforded us plain evidence of the |
| 3552.8 | an equal or lesser number.
Analogy | would lead me one step further, namely, to |
1 | | | wounds | |
| 816.1252 | day long; male stag-beetles often bear | wounds from the huge mandibles of other males |
2 | | | wreck | |
| 1155.857 | to swim at all and had stuck to the | wreck.
[page] 137 CHAP. V. USE AND DISUSE |
| 2962.338 | as halting-places, of which not a | wreck now remains, must not be over-
[page |
2 | | | wrecks | |
| 1171.770 | Europe, I am only surprised that more | wrecks of ancient life have not been preserved |
| 2711.892 | favour the admission that they are the | wrecks of sunken continents;—if they had |
2 | | | wrens | |
| 1885.521 | British thrush: how it is that the male | wrens (Troglodytes) of North America, build |
| 4589.0 | changing simultaneously thoughout, 322.
| Wrens, nest of, 243.
Y.
Youatt, Mr., on |
1 | | | writer | |
| 968.356 | I quote the words of an agricultural | writer) "as if by some murderous pestilence |
7 | | | writers | |
| 321.475 | thrown on this principle by theoretical | writers alone. When a
[page] 13 CHAP. I. UNDER |
| 455.398 | down by some of the Roman classical | writers. From passages in Genesis, it is clear |
| 1898.468 | been much underrated by some late | writers. On the theory of natural selection the |
| 2520.5 | distinct groups as they now are.
Some | writers have objected to any extinct species or |
| 4650.45 | S (SARAH) Fragments from German Prose | Writers. With Biographical Notes. Post 8vo. 10s |
| 5686.90 | of Officers and Travellers. By various | Writers. Third Edition revised. Maps. Post 8vo |
| 6074.125 | and Biographical Notices of Prominent | Writers. Second Edition. 3 Vols. 8vo. 24s |
7 | | | writings | |
| 878.769 | contrivances, as I could show from the | writings of C. C. Sprengel and from my own |
| 1552.487 | We meet with this admission in the | writings of almost every experienced naturalist |
| 3081.1067 | has been most fully acknowledged in the | writings of almost every author. It will suffice |
| 4814.74 | the proper understanding of the Mosaic | Writings, stated and applied, together with an |
| 4816.35 | d.
——— Undesigned Coincidences in the | Writings of the Old and New Testament, an |
| 5704.53 | Essay on the Character, Actions, and | Writings of the-Duke of Wellington. Second |
| 5934.65 | Works, With a Notice of his Life and | Writings. By J. R. M'CULLOCH. New Edition. 8vo |
11 | | | written | |
| 1333.48 | that Colonel Hamilton Smith, who has | written on this subject, believes that the |
| 2235.261 | When we see the formations tabulated in | written works, or when we follow them in nature |
| 2385.1317 | of the world imperfectly kept, and | written in a changing dialect; of this history |
| 2389.149 | in which the history is supposed to be | written, being more or less different in the |
| 3127.253 | only the names of the groups had been | written in a linear series, it would have been |
| 3147.709 | by our best systematists. We have no | written pedigrees; we have to make out |
| 3271.220 | varieties. Some authors who have | written on Dogs, maintain that the greyhound |
| 5264.6 | Second Edition. 8vo. 9s. 6d.
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Hymns | written and adapted for the weekly Church |
| 5604.18 | Post 8vo. 2s. 6d.
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| 5644.37 | LUCKNOW: A Ladys Diary of the Siege. | Written for Friends at Home. Fourth Thousand |
| 6168.142 | republication in any form requires | written permission. Contact: Dr John van Wyhe |
2 | | | wrote | |
| 1773.316 | the comb of the hive-bee. Accordingly I | wrote to Professor Miller, of Cambridge, and |
| 2743.785 | epoch. At my request Sir C. Lyell | wrote to M. Hartung to inquire whether he had |