Darwin_Charles_OOS.html -- W

NCoord.Preceding ContextWORDFollowing Context
2  waagen 
 5278.107of KUGLER. A New Edition. Edited by DR. WAAGEN. Woodcuts- Post 8vo. {In the Press
 5564.119New Edition. Edited, with Notes. By DR. WAAGEN. Woodcuts. Post 8vo. Nearly Ready
1  waagen's 
 6100.0of "PADDIANA." Post 8vo. 9s. 6d. WAAGEN'S (DR.) Treasures of Art in Great Britain
1  waddington's 
 6104.0described. With Index. 8vo. 18s. WADDINGTON'S (DEAN) Condition and Prospects of the
1  waders 
 3704.4transporting seeds, 361. ——, waders, 386. —, wingless, 134, 182. —, with
1  wading 
 2898.583to the feet and beaks of birds. Wading birds, which frequent the muddy edges
2  wading-birds 
 2928.1305or floating timber, or to the feet of wading-birds, might be transported far more easily
 4545.0Vulture, naked skin on head, 197. W. Wading-birds, 386. Wallace, Mr., on origin of
3  wafted 
 639.141the water; in the plumed seed which is wafted by the gentlest breeze; in short, we
 1223.46which were a little better fitted to be wafted further, might get an advantage over
 1610.561in order that a few granules may be wafted by a chance breeze on to the ovules
1  wakefield's 
 6106.0New Edition. Fcap. 8vo. 3s. 6d. WAKEFIELD'S (E. J.) Adventures in New Zealand. With
5  wales 
 2759.471than do the mountains of Scotland and Wales, with their scored flanks, polished
 4772.4the TABLES. London, 1822. 4to. 2s. 41. WALES' AND BAYLY'S ASTRONOMICAL OBSERVATIONS
 4774.4OBSERVATIONS. 1777. 4to. 21s. 42. WALES' REDUCTION OF ASTRONOMICAL OBSERVATIONS
 5432.10BUNYAN. By ROBERT SOUTHEY. NEW SOUTH WALES. By MRS. MEREDITH. LIFE OF SIR FRANCIS
 5716.57Notes and Sketches of New South Wales, during a Residence from 1839 to
3  walking 
 311.452the domestic duck flying much less, and walking more, than its wild parent. The great
 1486.669long toes of grallatores are formed for walking over swamps and floating plants, yet
 1590.572but a foot with five toes fitted for walking or grasping; and we may further venture
2  walks 
 4648.11Woodcuts. Fcap.Svo. 2s. 6d. AUNT IDA'S Walks and Talks; a Story Book for Children
 6108.0of the Island. Map. 2 Vols. 8vo. 28s. WALKS AND TALKS. A Story-book for Young
4  wallace 
 236.231been induced to do this, as Mr. Wallace, who is now studying the [page
 2693.916advanced in an ingenious paper by Mr. Wallace, in which he concludes, that "every
 2954.1073admirable zeal and researches of Mr. Wallace. I have not as yet had time to follow
 4546.0on head, 197. W. Wading-birds, 386. Wallace, Mr., on origin of species, 2. ——, on
1  wallace's 
 240.511it advisable to publish, with Mr. Wallace's excellent memoir, some brief extracts
1  wallowing 
 1574.1048looked at as a direct adaptation for wallowing in putridity; and so it may be, or it
7  walls 
 1767.1898the bees building perfectly flat walls of wax between the spheres [page
 1771.776this manner of building; for the flat walls between the adjoining cells are not
 1787.968to excavate, and began to build up flat walls of wax on the lines of intersection
 1801.904the rhombic plates, until the hexagonal walls are commenced. Some of these statements
 1807.1270without injuring the delicate hexagonal walls, which are only about one four
 1809.376by covering the edges of the hexagonal walls [page] 232 INSTINCT. CHAP. VII. of a
 1815.507distances from each other and from the walls of the last completed cells, and then
2  walter 
 5060.52Works. A New Edition, based upon Sir Walter Scotts Edition, entirely revised. 8vo
 5249.3Edition. Woodcuts. Post 8vo. 12s. ——(WALTER) Hindostan, Geographically
4  wander 
 912.343which unite for each birth, which wander much, and which do not breed at a very
 912.673which unite for each birth, but which wander little and which can increase at a very
 1432.190classes which unite for each birth and wander much, may have separately been rendered
 2167.14which we see around us. It is good to wander along lines of sea-coast, when formed
3  wanderers 
 2749.1395but seeds could be transported by these wanderers only by one means, namely, in dirt
 2849.758have profited them. Thus many of these wanderers, though still plainly related by
 2898.752this order I can show are the greatest wanderers, and are occasionally found on the most
4  wandering 
 511.259enclosure of the land plays a part. Wandering savages or the inhabitants of open
 1406.971especially with freely-crossing and wandering animals. In looking at species as they
 2948.1417can fly across. Bats have been seen wandering by day far over the Atlantic Ocean; and
 2948.1800Hence we have only to suppose that such wandering species have been modi- [page
1  wanderings 
 5247.19Post 8vo. 6s. each. HAMILTON'S (JAMES) Wanderings in Northern Africa, Benghazi, Cyrene
1  wanted 
 2966.1415crawled away: but more experiments are wanted on this head. The most striking and
4  wants 
 441.920and may make great improvements; if he wants any of these qualities, he will
 487.209structure or in their habits to man's wants or fancies. We can, I think, further
 3295.570having to provide for their own wants at a very early stage of development
 3359.931the being has to provide for its own wants, and bearing in mind how strong is the
1  ward's 
 6110.0By AUNT IDA. With Woodcuts. 16mo. 5s. WARD'S (ROBERT PLUMER) Memoir, Correspondence
1  war-dance 
 816.1126and whirling round, like Indians in a war-dance, for the possession of the females
1  warfare 
 5054.9Edition. Plates. 8vo. 21s. —— Naval Warfare with Steam. Woodcuts. 8vo. 8s. 6d
12  warmer 
 1131.890by variation when it ranged into warmer or shallower waters. When a variation
 1177.170of plants and animals brought from warmer countries which here enjoy good health
 1177.1197largely extended their range from warmer to cooler latitudes, and conversely
 2775.70period, has ever been in any degree warmer than at present (as some geologists in
 2775.471respect to this intercalated slightly warmer period, since the Glacial period. The
 2787.478the same as now, the climate was warmer than at the present day. Hence we may
 2789.279that during some earlier and still warmer period, such as the older Pliocene
 2793.667at the present time; for during these warmer periods the northern parts of the Old
 2817.677under the equator and under the warmer temperate zones, and on both sides of
 2833.444forms living on the mountains of the warmer regions of the earth and in the
 2839.1399of competitors, can withstand a much warmer climate than their own. Hence, it seems
 2863.1202northern hemisphere, to a former and warmer period, before the commencement of the
2  warmest 
 747.838of the same species, for the warmest or dampest spots. Hence, also, we can
 2839.987more especially by escaping into the warmest spots. But the great fact to bear in
1  warmest-clad 
 1133.404of this difference may be due to the warmest-clad individuals having been favoured and
8  warmth 
 351.541or the small power of endurance of warmth by the rein-deer, or of cold by the
 2767.7difference in the final result. As the warmth returned, the arctic forms would
 2767.315ascending higher and higher, as the warmth increased, whilst their brethren were
 2767.409their northern journey. Hence, when the warmth had fully returned, the same arctic
 2769.391and the re-migration on the returning warmth, will generally have been due south and
 2777.481from the moment of the returning warmth, first at the bases and ultimately on
 2795.29During the slowly decreasing warmth of the Pliocene period, as soon as the
 2845.265some even crossed the equator. As the warmth returned, these temperate forms would
1  warned 
 796.35parts of the Continent persons are warned not to keep white pigeons, as being the
1  was—as 
 1189.1081for it is now as tender as ever it was—as proving that acclimatisation cannot be
5  washed 
 1536.1227for preventing the ova from being washed out of the sack? Although we must be
 2171.1064years have elapsed since the waters washed their base. He who most closely
 2717.572then by a fresh rise in the stream be washed into the sea. Hence I was led to dry
 2729.332perfectly that not a particle could be washed away in the longest transport: out of
 2898.939the sea, so that the dirt would not be washed off their feet; when making land, they
2  washington 
 5202.54G. R.) Campaigns of the British Army at Washington and New Orleans. Post 8vo. 2s. 6d
 5482.13INDIA. By REV. C. ACLAND. CAMPAIGNS AT WASHINGTON. By REV. G. R. GLEIG. ADVENTURES IN
1  wasp-combs 
 1819.162that the cells on the extreme margin of wasp-combs are sometimes strictly hexagonal; but I
1  wasp-like 
 1725.424Some species, likewise, of Sphegidæ (wasp-like insects) are parasitic on other species
1  wasps 
 5726.86English Notes. 8vo.—l. CLOUDS, 10s.—2. WASPS, 10s.—3. FROGS, 15s. MILMANS (DEAN
1  waste 
 3470.777sterile sisters; at the astonishing waste of pollen by our fir-trees; at the
4  wasted 
 1231.226individual not to have its nutriment wasted in building up an useless structure. I
 1231.1379itself, by less nutriment being wasted in developing a structure now become
 1723.804picked up no less than twenty lost and wasted eggs. Many bees are parasitic, and
 1831.763of wax; that individual swarm which wasted least honey in the secretion of wax
2  watch 
 2165.1064great piles of superimposed strata, and watch the sea at work grinding down old rocks
 4732.50S ACCOUNT OF THE GOING OF HARRISON' WATCH. 1767. 4to. 2s. 6d. 21. MAYER'S
7  watched 
 413.919selection. Fourthly, pigeons have been watched, and tended with the utmost care, and
 419.136because when I first kept pigeons and watched the several kinds, knowing well how
 1472.796instances could be given: I have often watched a tyrant flycatcher (Saurophagus
 1675.135the aphides would want to excrete. I watched them for some time through a lens, but
 1737.1187July, on three successive years, I have watched for many hours several nests in Surrey
 1737.1460but Mr. Smith informs me that he has watched the nests at various hours during May
 2249.174views on this subject in 1845, I have watched the progress of Geology, and have been
2  watching 
 1514.305that there is a power always intently watching each slight accidental alteration in
 1851.370could be slowly formed by carefully watching which individual bulls and cows, when
47  water 
 291.1463changes, such as a little more or less water at some particular period of growth
 639.106of the beetle which dives through the water; in the plumed seed which is wafted by
 741.684confined to the elements of air and water. Yet the advantage of plumed seeds no
 892.794but here currents in the water offer an obvious means for an
 940.454slowly exterminated. And it is in fresh water that we find seven genera of Ganoid
 940.556a once preponderant order: and in fresh water we find some of the most anomalous
 982.588stations, climbing trees, frequenting water, and some perhaps becoming less
 988.746islets; and so in small ponds of fresh water. Farmers find that they can raise most
 1125.600limit, and when living in shallow water, are more brightly coloured than those
 1141.708can only flap along the surface of the water, and has its wings in nearly the same
 1462.149Micropterus of Eyton); as fins in the water and front legs on the land, like the
 1470.426in many ways, on the land and in the water, until their organs of flight had come
 1472.995standing stationary on the margin of water, and then dashing like a kingfisher at
 1476.374catching, like a whale, insects in the water. Even in so extreme a case as this, if
 1484.585with its feet and using its wings under water. He who believes that each being has
 1486.356feet which rarely or never go near the water; and no one except Audubon has seen the
 1492.733land or most rarely alighting on the water; that there should be long-toed
 1522.905that breathe the air dissolved in the water, at the same time that they breathe
 2171.218there is reason to believe that pure water can effect little or nothing in wearing
 2219.20million years. The action of fresh water on the gently inclined Wealden district
 2221.198over the whole world, the land and the water has been peopled by hosts of living
 2227.551the ocean, the bright blue tint of the water bespeaks its purity. The many cases on
 2227.1414species, which inhabits deep water and has been found fossil in Sicily
 2273.1527such beds as were deposited in shallow water near the mouth of the Mississippi
 2379.1644by an enormous weight of superincumbent water, might have undergone far more
 2474.179productions of the land and of fresh water change at distant points in the same
 2661.165time, over the same areas of land and water, and independent of their physical
 2717.690ripe fruit, and to place them on sea water. The majority sank quickly, but some
 2735.1131I find, eat seeds of many land and water plants: fish are frequently devoured by
 2886.463of their ova when removed from the water. But I am inclined to attribute the
 2886.1616be slowly accustomed to live in fresh water; and, according to Valenciennes, there
 2886.1726of fishes confined exclusively to fresh water, so that we may imagine that a marine
 2892.353and they are immediately killed by sea water, as are the adults. I could not even
 2892.1262so firmly that when taken out of the water they could not be jarred off, though at
 2898.1303from three different points, beneath water, on the edge of a little pond; this mud
 2910.1539to another and often distant piece of water. Nature, like a careful gardener, thus
 2972.37almost every product of the land and water bears the unmistakeable stamp of the
 3032.500of barriers, whether of land or water, which separate our several zoological
 3057.396to inhabit the land, and another the water; one to feed on flesh, another on
 3163.218both classes for swimming through the water; but the shape of the body and fin-like
 3165.195the three elements of land, air, and water,—we can perhaps understand how it is
 3245.347nest, and in the spawn of a frog under water. We have no more reason to believe in
 3518.1131has to breathe the air dissolved in water, by the aid of well-developed branchiæ
 3919.38Fishes, ganoid, now confined to fresh water, 107. —, electric organs of
 3921.27of, 192. —, ganoid, living in fresh water, 321. —of southern hemisphere
 4245.7habits of, how acquired, 179. Ouzel, water, 185. Owen, Prof., on birds not flying
 4550.0Archipelago, 395. Wasp, sting of, 202. Water, fresh, productions of, 383. Water-hen
3  water-beetle 
 741.606the flattened and fringed legs of the water-beetle, the relation seems at first confined
 741.906and fall on unoccupied ground. In the water-beetle, the structure of its legs, so well
 2896.123a limpet) firmly adhering to it; and a water-beetle of the same family, a Colymbetes, once
2  water-birds 
 2902.188be an inexplicable circumstance if water-birds did not transport the seeds of fresh
 4563.15denudation of, 285. Web of feet in water-birds, 185. West Indian islands, mammals of
1  water-breathing 
 1464.34Seeing that a few members of such water-breathing classes as the Crustacea and Mollusca
2  water-hen 
 1486.718swamps and floating plants, yet the water-hen is nearly as aquatic as the coot; and
 4551.0Water, fresh, productions of, 383. Water-hen, 185. Waterhouse, Mr., on Australian
7  waterhouse 
 1002.692other, and feebly representing, as Mr. Waterhouse and others have remarked, our
 1245.247to the above effect, published by Mr. Waterhouse. I infer also from an observation made
 1767.45led to investigate this subject by Mr. Waterhouse, who has shown that the form of the
 3175.4of favourable circumstances. Mr. Waterhouse has remarked that, when a member [page
 3179.161and not special: thus, according to Mr. Waterhouse, of all Rodents, the bizcacha is most
 3179.1350other hand, of all Marsupials, as Mr. Waterhouse has remarked, the phascolomys resembles
 4552.0productions of, 383. Water-hen, 185. Waterhouse, Mr., on Australian marsupials
1  waterhouse's 
 1249.434that I particularly attended to Mr. Waterhouse's remark, whilst investigating this Order
1  water-insects 
 3678.15distribution of, 394. Bear, catching water-insects, 184. Bee, sting of, 202. ——, queen
3  water-lily 
 2904.252of moderate size, as of the yellow water-lily and Potamogeton. Herons and other birds
 2904.617great size of the seeds of that fine water-lily, the Nelumbium, and remembered Alph. de
 2904.831found the seeds of the great southern water-lily (probably, according to Dr. Hooker, the
2  waterloo 
 5204.26vo. 2s. 6d. —— Story of the Battle of Waterloo, Compiled from Public and Authentic
 5474.19HERMANN MELVILLE. STORY OF BATTLE OF WATERLOO. By REV. G. R. GLEIG. A VOYAGE UP THE
1  watermark 
 2227.1138live on the beach between high and low watermark are preserved. For instance, the
2  water-ouzel 
 1484.367by examining the dead body of the water-ouzel would never have suspected its sub
 4556.0on general affinities, 429. Water-ouzel, 185. Watson, Mr. H. C., on range of
16  waters 
 526.1283condition of shells in the brackish waters of the Baltic, or dwarfed [page
 1131.910when it ranged into warmer or shallower waters. When a variation is of the slightest
 1446.21THEORY. CHAP. VI. it leaves the frozen waters, and preys like other polecats on mice
 2171.1057elsewhere years have elapsed since the waters washed their base. He who most closely
 2402.86another, both on the land and in the waters. Lyell has shown that it is hardly
 2458.1434Ganoid fishes still inhabit our fresh waters. Therefore the utter extinction of a
 2494.835the land, and another for those in the waters of the sea. If two great regions had
 2657.1309species of bizcacha; we look to the waters, and we do not find the beaver or musk
 2801.26distinct. As on the land, so in the waters of the sea, a slow southern migration
 2869.447of life can be explained. The living waters may be said to have flowed during one
 2869.805tide rises highest, so have the living waters left their living drift on our mountain
 2880.566when first collecting in the fresh waters of Brazil, feeling much surprise at the
 2886.63same species never occur in the fresh waters of distant continents. But on the same
 2890.49modified and adapted to the fresh waters of a distant land. Some species of
 2904.400they then take flight and go to other waters, or are blown across the sea; and we
 2910.518consequently an intruder from the waters of a foreign country, would have a
11  watson 
 548.330by another as mere varieties. Mr. H. C. Watson, to whom I lie under deep obligation
 582.279seemed a simple task; but Mr. H. C. Watson, to whom I am much indebted for
 616.491ranges. For instance, Mr. H. C. Watson has marked for me in the well-sifted
 616.798of the provinces into which Mr. Watson has divided Great Britain. Now, in this
 616.1166allied forms, marked for me by Mr. Watson as doubtful species, but which are
 1177.987have been made by Mr. H. C. Watson on European species of plants brought
 1418.624appear from information given me by Mr. Watson, Dr. Asa Gray, and Mr. Wollaston, that
 2743.566mainland, and (as remarked by Mr. H. C. Watson) from the somewhat northern character
 2769.515of Scotland, as remarked by Mr. H. C. Watson, [page] 368 GEOGRAPHICAL DISTRIBUTION
 2833.244northern temperate zones. As Mr. H. C. Watson has recently remarked, "In receding
 4557.0affinities, 429. Water-ouzel, 185. Watson, Mr. H. C., on range of varieties of
2  watt's 
 6112.0PHIPPS. Portrait. 2 Vols. 8vo. 28s. WATT'S (JAMES) Life. Incorporating the most
 6116.0and Woodcuts. 8vo. 16s. [page] 32 WATT'S (JAMES) Origin and Progress of his
4  wattle 
 413.640of each breed, for instance the wattle and length of beak of the carrier, the
 828.299sex in our domestic animals (as the wattle in male carriers, horn-like
 1257.1379the different tumblers, in the beak and wattle of the different carriers, in the
 1261.624generally to the male sex, as with the wattle of carriers and the enlarged crop of
1  wattles 
 1225.840comb, and a large beard by diminished wattles. With species in a state of nature it
5  waves 
 2171.108for a short time twice a day, and the waves eat into them only when they are
 2171.463in size they can be rolled about by the waves, and then are more quickly ground into
 2205.12IX. GEOLOGICAL RECORD. worn by the waves and pared all round into perpendicular
 2243.165withstand the incessant action of the waves, when first upraised and during
 2723.812do not doubt that plants exposed to the waves would float for a less time than those
2  waxen 
 1767.1392the latter: it forms a nearly regular waxen comb of cylindrical cells, in which the
 1825.1113of her instinct led her to make her waxen cells near together, so as to intersect
2  wayside 
 5478.4RIVER AMAZON. By W. H. EDWARDS. THE WAYSIDE CROSS. By CAPT. MILMAN. MANNERS
 5740.18Fcap. 8vo. 1s. ——— (CAPT. E. A.) Wayside Cross; or, the Raid of Gomez. A Tale of
1  weakening 
 1357.50and use in strengthening, and disuse in weakening and diminishing organs, seem to have
2  weaker 
 735.20CHAP. III. tion, otherwise the weaker kinds will steadily decrease in numbers
 1675.1318others, as each takes advantage of the weaker bodily structure of others. So again
1  weakest 
 1889.329vary, let the strongest live and the weakest die. [page] 245 CHAP. VIII. HYBRIDISM
1  weakness 
 2046.811same conditions of life, always induces weakness and sterility in the progeny. Hence it
7  weald 
 2209.81well-known one of the denudation of the Weald. Though it must be admitted that the
 2209.142be admitted that the denudation of the Weald has been a mere trifle, in comparison
 2213.63of rocks which must have covered up the Weald within so limited a period as since the
 2213.402a range of older rocks underlies the Weald, on the flanks of which the overlying
 2213.845the time requisite to have denuded the Weald. This, of course, cannot be done; but
 2217.129the above data, the denudation of the Weald must have required 306,662,400 years
 4562.0rarity of intermediate varieties, 176. Weald, denudation of, 285. Web of feet in
1  wealden 
 2219.49of fresh water on the gently inclined Wealden district, when upraised, could hardly
5  weapons 
 816.550general vigour, but on having special weapons, confined to the male sex. A hornless
 816.1416seem oftenest provided with special weapons. The males of carnivorous animals are
 828.16SELECTION. CHAP. IV. males, in their weapons, means of defence, or charms; and have
 1877.97instincts and by inherited tools or weapons, and not by acquired knowledge and
 3440.317will often depend on having special weapons or means of defence, or on the charms
1  wearing 
 2171.256water can effect little or nothing in wearing away rock. At last the base of the
1  wears 
 2213.741knew the rate at which the sea commonly wears away a line of cliff of any given
2  weather 
 846.1176could not thus have been carried. The weather had been cold and boisterous, and
 872.346and stigmas fully exposed to the weather! but if an occasional cross be
11  webbed 
 1442.650vison of North America, which has webbed feet and which resembles an otter in
 1486.222What can be plainer than that the webbed feet of ducks and geese are formed for
 1486.310yet there are upland geese with webbed feet which rarely or never go near the
 1486.444bird, which has all its four toes webbed, alight on the surface of the sea. On
 1486.944corresponding change of structure. The webbed feet of the upland goose may be said to
 1492.658should be geese and frigate-birds with webbed feet, either living on the dry land or
 1586.1434Thus, we can hardly believe that the webbed feet of the upland [page
 1590.375upland goose and of the frigate-bird, webbed feet no doubt were as useful as they
 1620.325arisen that there are upland geese with webbed feet, ground woodpeckers, diving
 3211.514membrane, so as to serve as a fin; or a webbed foot might have all its bones, or
 3464.265swim, should have been created with webbed feet; that a thrush should have been
1  wedge 
 679.274by incessant blows, sometimes one wedge being struck, and then another with
1  wedges 
 679.192surface, with ten thousand sharp wedges packed close together and driven
1  weeds 
 681.1316marked all the seedlings of our native weeds as they came up, and out of the 357 no
1  week-day 
 5259.113for every Sunday in the Year, and for Week-day Festivals. Sixth Edition. 2 Vols. Post
1  weekly 
 5264.34Hymns written and adapted for the weekly Church Service of the Year. Twelfth
2  weigh 
 311.233duck that the bones of the wing weigh less and the bones of the leg more, in
 3558.636any two forms, we shall be led to weigh more carefully and to value higher the
1  weighed 
 2898.1358of a little pond; this mud when dry weighed only 6 3/4 ounces; I kept it covered up
16  weight 
 349.175then such facts would have great weight in making us doubt about the
 395.41argument, as it seems to me, of great weight, and applicable in several other cases
 463.345the cattle of England have increased in weight and in early maturity, compared with
 574.784must be judged of by the general weight of the several facts and views given
 982.1157greater number of plants and a greater weight of dry herbage can thus be raised. The
 1139.249as these incline me to lay very little weight on the direct action of the conditions
 1145.183in successive generations the size and weight of its body, its legs were used more
 1189.1238similar purpose, and with much greater weight; but until some one will sow, during a
 1446.358such difficulties have very little weight. Here, as on other occasions, I lie
 1596.402find even one which seems to me of any weight. It is admitted that the rattlesnake
 2265.589pretend to assign due proportional weight to the following considerations
 2379.1619had been pressed on by an enormous weight of superincumbent water, might have
 2385.1069perfect, and who do not attach much weight to the facts and arguments of other
 3424.12RECAPITULATION. CHAP. XIV. doubt their weight. But it deserves especial notice that
 3538.217disposition leads him to attach more weight to unexplained difficulties than to the
 3546.258But some arguments of the greatest weight extend very far. All the members of
2  weights 
 463.246the Goodwood Races, are favoured in the weights they carry. Lord Spencer and others
 5916.161History, Chronology, Modern Coinages, Weights, Measures, &c. Edited by EDWARD THOMAS
3  welch 
 1329.223trust, has examined for me a small dun Welch pony with three short parallel stripes
 1337.162as the heavy Belgian cart-horse, Welch ponies, cobs, the lanky Kattywar race
 1339.1271shoulder-stripes, like those on the dun Welch pony, and even had some zebra-like
9  welfare 
 272.457for they determine the present welfare, and, as I believe, the future success
 1090.607had occurred useful to each being's own welfare, in the same way as so many variations
 1628.120part or organ is so unimportant for the welfare of a species, that modifications in its
 1663.95as corporeal structure for the welfare of each species, under its present
 2006.447is so entirely unimportant for its welfare in a state of nature, I presume that no
 2020.940of grafting it is unimportant for their welfare. Causes of the Sterility of first
 3081.20CLASSIFICATION. they may be for the welfare of the being in relation to the outer
 3159.1085of the utmost importance to the welfare of the being, are almost valueless to
 3263.1380of the horns of either parent. For the welfare of a very young animal, as long as it
2  well-ascertained 
 1731.1188can be more extraordinary than these well-ascertained facts? If we had not known of any other
 2773.280grounded as they are on the perfectly well-ascertained occurrence of a former Glacial period
1  well-authenticated 
 1950.41I do not know of any thoroughly well-authenticated cases of perfectly fertile hybrid
1  well-bred 
 399.612the domestic breeds, taking thoroughly well-bred birds, all the above marks, even to the
1  well-constructed 
 3251.1249prehensile organs; they again obtain a well-constructed mouth; but they have no antennæ, and
5  well-defined 
 383.182certainly, I think, be ranked by him as well-defined species. Moreover, I do not believe
 596.52at species as only strongly-marked and well-defined varieties, I was led to anticipate that
 1040.658to convert these three forms into well-defined species: thus the diagram illustrates
 1426.55that species come to be tolerably well-defined objects, and do not at any one period
 2651.1156over this vast space we meet with no well-defined and distinct marine faunas. Although
6  well-developed 
 1566.478may perhaps be thus accounted for. A well-developed tail having been formed in an aquatic
 1863.1298male and female ants of this genus have well-developed ocelli. I may give one other case: so
 3251.962at this stage is, to search by their well-developed organs of sense, and to reach by their
 3315.900as mere rudiments, and sometimes in a well-developed state. In plants with separated sexes
 3518.1152air dissolved in water, by the aid of well-developed branchiæ. Disuse, aided sometimes by
 3524.524jaw, from an early progenitor having well-developed teeth; and we may believe, that the
1  well-enclosed 
 1536.409loose at the bottom of the sack, in the well-enclosed shell; but they have large folded
3  well-established 
 976.943breeds would become converted into two well-established and distinct breeds. As the differences
 1859.147I do not admit that such wonderful and well-established facts at once annihilate my theory. In
 2424.187of pigeon, or even from the other well-established races of the domestic pigeon, for the
1  well-filled 
 3574.162remains must not be looked at as a well-filled museum, but as a poor collection made
1  well-flavoured 
 1847.230may thus gain the desired end. Thus, a well-flavoured vegetable is cooked, and the individual
5  wellington 
 4900.35s. ——— Early Campaigns of the Duke of Wellington in Portugal and Spain. 8vo. 8s. 6d
 5092.39Life and Character of the Duke of Wellington; Fcap. 8vo. 6d. ———.Campaign of
 5704.77Actions, and Writings of the-Duke of Wellington. Second Edition. Fcap. 8vo. 1s. 6d
 5774.0The following are published:] WELLINGTON. By LORD ELLESMERK. 6d. NlMRODONTHE
 5816.9s. HOLLWAX'S NORWAY. 2s. MAUREL'S WELLINGTON. 1s. 6d. CAMPBELL'S LIFE OF BACON. 2s
1  wellington's 
 6118.0vo, 45s., or Large Paper. 3 Vols. 4to. WELLINGTON'S (THE DUKE OF) Despatches during his
11  well-known 
 399.1368We can understand these facts, on the well-known principle of reversion to ancestral
 479.122explains, as I believe, the well-known fact, that in a vast number of cases we
 544.276of naturalists, for few well-marked and well-known varieties can be named which have not
 554.319here give only a single instance,—the well-known one of the primrose and cowslip, or
 822.1087effect. I strongly suspect that some well-known laws with respect to the plumage of
 1171.441related, we might expect from the well-known relationship of most of their other
 1657.687could be pointed out. As in repeating a well-known song, so in instincts, one action
 1877.1611case of neuter insects, against the well-known doctrine of Lamarck. Summary.—I have
 2209.41am tempted to give one other case, the well-known one of the denudation of the Weald
 2339.187been produced. I may recall the well-known fact that in geological treatises
 2558.345remote formations. Pictet gives as a well-known instance, the general resemblance of
24  well-marked 
 544.260by a majority of naturalists, for few well-marked and well-known varieties can be named
 568.255or, again, between sub-species and well-marked varieties, or between lesser varieties
 574.649definite directions. Hence I believe a well-marked variety may be justly called an
 584.685give rise to varieties sufficiently well-marked to have been recorded in botanical
 588.150in individuals,—which oftenest produce well-marked varieties, or, as I consider them
 604.200by which to distinguish species and well-marked varieties; and in those cases in which
 635.572to hold, if the existence of any well-marked varieties be admitted. But the mere
 635.672individual variability and of some few well-marked varieties, though necessary as the
 970.792species throughout nature presenting well-marked differences; whereas varieties, the
 970.882prototypes and parents of future well-marked species, present slight and ill-defined
 1018.1336accumulated to have formed a fairly well-marked variety, such as would be thought
 1020.264is supposed to have produced two fairly well-marked varieties, namely a1 and m1. These two
 1040.424these three forms may still be only well-marked varieties; or they may have arrived at
 1042.204ten thousand generations, either two well-marked varieties (w10 and z10) or two species
 1131.183view that species of all kinds are only well-marked and permanent varieties. Thus the
 1311.318other species being on my view only a well-marked and permanent variety. But characters
 1418.527case of varieties intermediate between well-marked varieties in the genus Balanus. And it
 1424.617on an average a greater number of well-marked varieties than do the rarer species. I
 1795.637bees had worked less quickly. In one well-marked instance, I put the comb back into the
 2849.904now exist in their new homes as well-marked varieties or as distinct species. It
 3478.544coloured flowers? If species are only well-marked varieties, of which the characters have
 3490.19animals to suffer. If species be only well-marked and permanent varieties, we can at once
 3530.246or can be, drawn between species and well-marked varieties. It cannot be maintained that
 3558.318only distinction between species and well-marked varieties is, that the latter are known
1  well-pronounced 
 1002.814could successfully compete with these well-pronounced orders. In the Australian mammals, we
1  well-sifted 
 616.523H. C. Watson has marked for me in the well-sifted London Catalogue of plants (4th edition
3  well-stocked 
 1630.314to the owner. Natural selection in each well-stocked country, must act chiefly through the
 2749.1665a great error to argue that because a well-stocked island, like Great Britain, has not, as
 2753.278to an island, even if far less well-stocked than Britain, scarcely more than one
1  well-suited 
 784.569by her; and the being is placed under well-suited conditions of life. Man keeps the
1  well-worked 
 582.209tabulating all the varieties in several well-worked floras. At first this seemed a simple
15  western 
 2213.653affect the estimate as applied to the western extremity of the district. If, then, we
 2241.731why along the rising coast of the western side of South America, no extensive
 2472.763palæozoic formations of Russia, Western Europe and North America, a similar
 2643.95of land in Australia, South Africa, and western South America, between latitudes 25º
 2651.158common, than those of the eastern and western shores of South and Central America
 2651.1306three approximate faunas of Eastern and Western America and the eastern Pacific islands
 2749.1095bring seeds from the West Indies to our western shores, where, if not killed by so long
 2749.1316Ocean, from North America to the western shores of Ireland and England; but
 2787.890there is almost continuous land from western Europe, through Siberia, to eastern
 2801.451representative forms on the eastern and western shores of temperate North America; and
 2809.94evidence of the cold period, from the western shores of Britain to the Oural range
 2817.595was simultaneous on the eastern and western sides of North America, in the
 2944.660formerly brought boulders to its western shores, and they may [page
 5116.68of a Cruise among the Islands of the Western Pacific, including the Fejees, and
 5257.23Annually.) 8vo. HAY'S (J. H. DRUMMOND) Western Barbary, its wild Tribes and savage
2  westminster 
 5010.4to the Metropolis. Map. 16mo. 5s. ——— Westminster Abbey. Its Art, Architecture, and
 5334.3of Wight.Maps. Post 8vo. 7s. 6d. —— WESTMINSTER ABBEYits Art, Architecture, and
2  westward 
 2651.295but impassable, isthmus of Panama. Westward of the shores of America, a wide space
 2651.881other hand, proceeding still further westward from the eastern islands of the
4  westwood 
 608.90has remarked in regard to plants, and Westwood in regard to insects, that in large
 1287.578of beetles, but in the Engidæ, as Westwood has remarked, the number varies greatly
 3081.1859of the Hymenoptera, the antennæ, as Westwood has remarked, are most constant in
 4565.0West Indian islands, mammals of, 395. Westwood on species in large genera being
8  whale 
 1476.352open mouth, thus catching, like a whale, insects in the water. Even in so
 1476.740creature was produced as monstrous as a whale. As we sometimes see individuals of a
 2339.847striking case, however, is that of the Whale family; as these animals have huge
 2339.968the fact of not a single bone of a whale having been discovered in [page
 3075.645of a mouse to a shrew, of a dugong to a whale, of a whale to a fish, as of any
 3075.657a shrew, of a dugong to a whale, of a whale to a fish, as of any importance. These
 3159.376is a pachydermatous animal, and the whale, and between both these mammals and
 3163.350between the several members of the whale family; for these cetaceans agree in so
7  whales 
 1205.885their dermal coverings, viz. Cetacea (whales) and Edentata (armadilloes, scaly ant
 2343.313clear evidence of the existence of whales in the upper greensand, some time
 3163.126fin-like limbs are only analogical when whales are compared with fishes, being
 3309.567the presence of teeth in fœtal whales, which when grown up have not a tooth
 3325.84such as teeth in the upper jaws of whales and ruminants, can often be detected in
 4141.14land-shell, 289. ——, on fossil whales, 303. —, on strata beneath Silurian
 4567.47antennæ of hymenopterous insects, 416. Whales, fossil, 303. Wheat, varieties of
24  whatever 
 291.71of life the causes of variability, whatever they may be, generally act; whether
 325.889at the inheritance of every character whatever as the rule, and non-inheritance as the
 327.748I think may be trusted, is that, at whatever period of life a peculiarity first
 435.820means of which he may summon into life whatever form and mould he pleases." Lord
 449.254of leaves, pods, or tubers, or whatever part is valued, in the kitchen-garden
 499.1372characteristic features of the breed, whatever they may be. But the chance will be
 505.993are scanty, all the individuals, whatever their quality may be, will generally be
 641.605any variation, however slight and from whatever cause proceeding, if it be in any
 707.1266introduction of a single tree, nothing whatever else having been done, with the
 912.851maintain itself in a body, so that whatever intercrossing took place would be
 1285.141offspring to the less favoured males. Whatever the cause may be of the variability of
 1287.1189any one of the species. Consequently, whatever part of the structure of the common
 1365.0page] 170 LAWS OF VARIATION. CHAP. V. Whatever the cause may be of each slight
 1763.792of bees working in a dark hive. Grant whatever instincts you please, and it seems at
 2006.907of cases we can assign no reason whatever. Great diversity in the size of two
 2936.887de Candolle has shown, generally have, whatever the cause may be, confined ranges
 2936.1414plants when growing on an island, to whatever order they belonged, and thus convert
 2994.333if one species has any advantage whatever over another, it will in a very brief
 3135.973and thickened stems are so similar. Whatever part is found to be most constant, is
 3211.988on the existing general pattern, for whatever purpose they served, we can at once
 3269.95evidence to render it probable, that at whatever age any variation first appears in the
 3289.1039into hands, or paddles, or wings. Whatever influence long-continued exercise or
 3343.135be checked by natural selection. At whatever period of life disuse or selection
 3357.75displayed in the homologous organs, to whatever purpose applied, of the different
6  wheat 
 289.121Our oldest cultivated plants, such as wheat, still often yield new varieties: our
 701.596it is to get seed from a few wheat or other such plants in a garden; I
 731.682for instance, if several varieties of wheat be sown together, and the mixed seed be
 982.1295and then several mixed varieties of wheat have been sown on equal spaces of
 2735.836of germination. Some seeds of the oat, wheat, millet, canary, hemp, clover, and beet
 4568.0insects, 416. Whales, fossil, 303. Wheat, varieties of, 113. White Mountains
2  whelp 
 3239.1114can be plainly distinguished in the whelp of the lion. We occasionally though
 3245.599will suppose that the stripes on the whelp of a lion, or the spots on the young
10  whence 
 365.879breeds have originated in Europe; for whence could they have been derived, as these
 711.152that I went to several points of view, whence I could examine hundreds of acres of
 1749.310yards, to a very thick clump of heath, whence I saw the last individual of F
 2239.154the geography of the surrounding lands, whence the sediment has been derived, accords
 2279.805will often tend to sink the area whence the sediment is derived, and thus
 2373.537last large islands or tracts of land, whence the sediment was derived, occurred in
 2693.254be related to those of another region, whence it has been stocked. A volcanic island
 3000.215to the inhabitants of that region whence colonists could most readily have been
 3038.1044the nearest continent or other source whence immigrants were probably derived. We
 3510.570the inhabitants of the nearest source whence immigrants might have been derived. We
8  whenever 
 790.236good; silently and insensibly working, whenever and wherever opportunity offers, at the
 1345.250the horse we see this tendency strong whenever a dun tint appears-a tint which
 1353.214from the same part in the parents. But whenever we have the means of instituting a
 1924.1319would be thus effected. Moreover, whenever complicated experiments are in progress
 2466.564of nature will be utterly obscured. Whenever we can precisely say why this species
 2494.947circumstanced in an equal degree, whenever their inhabitants met, the battle would
 2707.1392of coral or atolls standing over them. Whenever it is fully admitted, as I believe it
 3247.194come on earlier or later in life; but whenever it comes on, the adaptation of the
66  where 
 311.569udders in cows and goats in countries where they are habitually milked, in
 389.1243either still exist in the countries where they were originally domesticated, and
 461.614be found in less civilised districts, where the breed has been less improved. There
 596.401as a general rule, to be now forming. Where many large trees grow, we expect to
 596.458trees grow, we expect to find saplings. Where many species of a genus have been
 602.173of the same genus have been formed, or where, if we may use the expression, the
 602.1173All that we want to show is, that where many species of a genus have been
 681.1224long and two wide, dug and cleared, and where there could be no choking from other
 693.478view: we forget that each species, even where it most abounds, is constantly
 701.903extremely abundant in the few spots where they do occur; and that of some social
 701.1114believe, that a plant could exist only where the conditions of its life were so
 707.295on the estate of a relation where I had ample means of investigation
 796.1184assuredly, in a state of nature, where the trees would have to struggle with
 836.1276These varieties would cross and blend where they met; but to this subject of
 960.159stocked, for at the Cape of Good Hope, where more species of plants are crowded
 988.233if freely open to immigration, and where the contest between individual and
 988.1159to live there; but, it is seen, that where they come into the closest competition
 1357.1794the whole individual; for in a district where many species of any genus are found
 1357.1845species of any genus are found-that is, where there has been much former [page
 1361.34variation and differentiation, or where the manufactory of new specific forms
 1398.263masses can be accumulated only where much sediment is deposited on the
 1400.603other. But if we compare these species where they intermingle, they are generally as
 1412.1330species on the confines of its range, where it exists in lessened numbers, will
 1478.742wing; and on the plains of La Plata, where not a tree grows, there is a woodpecker
 1492.855that there should be woodpeckers where not a tree grows; that there should be
 1580.176in the less civilized countries where there has been but little artificial
 1657.1610forced to start from the third stage, where it had left off, and thus tried to
 1703.695such as Tierra del Fuego and Australia, where the savages do not keep these domestic
 1755.588few. The masters determine when and where a new nest shall be formed, and when
 1795.501were slightly concave on one side, where I suppose that the bees had excavated
 1795.590and convex on the opposed side, where the bees had worked less quickly. In
 1918.310purposes it is most difficult to say where perfect fertility ends and sterility
 1950.1019and as they are kept for profit, where neither pure parent-species exists
 2026.903when born and living in a country where their two parents can live, they are
 2227.199when left on the bottom of the sea, where sediment is not accumulating. I believe
 2251.352during periods of subsidence, but only where the supply of sediment was sufficient
 2313.468accumulate on the bed of the sea, or where it did not accumulate at a sufficient
 2375.351nor continental islands existed where our oceans now extend; for had they
 2379.238from these facts, we may infer that where our oceans now extend, oceans have
 2379.370any record; and on the other hand, that where continents now exist, large tracts of
 2379.1124epoch, continents may have existed where oceans are now spread out; and clear
 2379.1200clear and open oceans may have existed where our continents now stand. Nor should we
 2458.1163some distant and isolated station, where they have escaped severe competition
 2468.342under the most different climates, where not a fragment of the mineral chalk
 2604.127my whole theory. For he may ask in vain where are the numberless transitional links
 2608.258of whole groups of species. He may ask where are the remains of those infinitely
 2608.499by saying that as far as we can see, where our oceans now extend they have for an
 2608.574for an enormous period extended, and where our oscillating continents now stand
 2637.468for if we exclude the northern parts where the circumpolar land is almost
 2645.367excepting in the northern parts, where the land almost joins, and where, under
 2645.400parts, where the land almost joins, and where, under a slightly different climate
 2675.145must have proceeded from one spot, where their parents were first produced: for
 2677.365several distant and isolated points, where now found. Nevertheless the simplicity
 2703.649now blend or may formerly have blended: where the sea now extends, land may at a
 2749.1111the West Indies to our western shores, where, if not killed by so long an immersion
 2755.159other by hundreds of miles of lowlands, where the Alpine species could not possibly
 2811.173º, and on the shores of the Pacific, where the climate is now so different, as far
 2869.756though rising higher on the shores where the tide rises highest, so have the
 2892.1061in a natural pond, in an aquarium, where many ova of fresh-water shells were
 3016.23CHAP. XII. quarters of the world, where they may have become slightly modified
 3095.440and yet leave us in no doubt where it should be ranked. Hence, also, it
 3145.642The whole case is preposterous; for where there has been close descent in common
 3416.520degradation, can be accumulated only where much sediment is deposited on the
 3454.0page] 470 RECAPITULATION. CHAP. XIV. where many species of a genus have been
 3454.54of a genus have been produced, and where they now flourish, these same species
 3454.133should present many varieties; for where the manufactory of species has been
32  whereas 
 295.301of the plantigrades or bear family; whereas, carnivorous birds, with the rarest
 548.824forms, Mr. Babington gives 251 species, whereas Mr. Bentham gives only 112,—a
 552.324marked race of a Norwegian species, whereas the greater number rank it as an
 616.937and these range over 7.7 provinces; whereas, the species to which these varieties
 622.848as varieties, and have thus originated: whereas, these analogies are utterly
 796.932a certain disease than yellow plums; whereas another disease attacks yellow-fleshed
 970.817presenting well-marked differences; whereas varieties, the supposed prototypes and
 1155.740had been able to swim still further, whereas it would have been better for the bad
 1165.40to have increased the size of the eyes; whereas with all the other inhabitants of the
 1183.1171capable of enduring a glacial climate, whereas the living species are now all tropical
 1237.281flowers) the number is variable; whereas the number of the same part or organ
 1388.103and producing sterile offspring, whereas, when varieties are crossed, their
 1747.984instantly seized the pupæ of F. fusca, whereas they were much terrified when they came
 1863.196small can be plainly distinguished, whereas the smaller workers have their ocelli
 1936.28STERILITY. few days perished entirely, whereas the pod impregnated by the pollen of
 2012.437cannot be grafted on the currant, whereas the currant will take, though with
 2022.312and female sexual elements are perfect, whereas in hybrids they are imperfect. Even in
 2100.80are widely different from each other; whereas if two very distinct varieties of one
 2227.1457and has been found fossil in Sicily, whereas not one other species has hitherto been
 2408.463from the living species of this genus; whereas most of the other Silurian Molluscs and
 2412.1229allies on the continent of Europe, whereas the marine shells and birds have
 2681.317mammals have not been able to migrate, whereas some plants, from their varied means of
 2855.152to a certain extent beaten the natives; whereas extremely few southern forms have
 2928.1078number of peculiar land-shells, whereas not one species of sea-shell is
 2972.1727ordinary view of independent creation; whereas on the view here maintained, it is
 2984.1349the most important for its inhabitants; whereas it cannot, I think, be disputed that
 3075.1605excepting in the first main divisions; whereas the organs of reproduction, with their
 3135.1221the shape or colour of the body, &c.; whereas with sheep the horns are much less
 3289.1373at a corresponding mature age. Whereas the young will remain unmodified, or be
 3392.148are more or less functionally impotent; whereas in first crosses the organs on both
 3524.754selection to browse without their aid; whereas in the calf, the teeth have been left
 3558.447present day by intermediate gradations, whereas species were formerly thus connected
13  wherever 
 596.231the species of the smaller genera; for wherever many closely related species (i.e
 602.112marked and permanent varieties; for wherever many species of the same genus have
 602.555clearly show as a general rule that, wherever many species of a genus have been
 790.249and insensibly working, whenever and wherever opportunity offers, at the improvement
 1620.252each organic being is trying to live wherever it can live, how it has arisen that
 1787.490most interesting to me to observe that wherever several bees had begun to excavate
 2313.405would not endure to a distant epoch. Wherever sediment did not accumulate on the bed
 2498.38forms dominant in the highest degree, wherever produced, would tend everywhere to
 3004.458be universally found to be true, that wherever in two regions, let them be ever so
 3004.769migration between the two regions. And wherever many closely-allied species occur
 3024.592the individuals of the same species, wherever located, have descended from the same
 3510.217and we almost invariably find that wherever many closely allied species inhabit two
 3510.324species common to both still exist. Wherever many closely allied yet distinct
105  whether 
 291.108whatever they may be, generally act; whether during the early or late period of
 291.1521period of growth, will determine whether or not the plant sets a seed. I cannot
 325.90in the father and child, we cannot tell whether it may not be due to the same original
 333.718stock was, and so could not tell whether or not nearly perfect reversion had
 337.547revert to the wild aboriginal stock. Whether or not the experiment would succeed, is
 345.160involved in doubt, from not knowing whether they have descended from one or several
 351.359know, when he first tamed an animal, whether it would vary in succeeding generations
 351.412vary in succeeding generations, and whether it would endure other climates? Has the
 353.136to come to any definite conclusion, whether they have descended from one or several
 423.62a celebrated raiser of Hereford cattle, whether his cattle might not have descended
 473.112preservation of the best individuals, whether or not sufficiently distinct to be
 477.53appearance as distinct varieties, and whether or not two or more species or races
 515.1753the accumulative action of Selection, whether applied methodically and more quickly
 526.126of nature, we must briefly discuss whether these latter are subject to any
 532.832parts which must be called important, whether viewed under a physiological or
 542.887enumerate, sometimes occur in deciding whether or not to rank one form as a variety of
 544.22is opened. Hence, in determining whether a form should be ranked as a species or
 552.956good and true species. But to discuss whether they are rightly called species or
 558.257links, and it is very doubtful whether these links are hybrids; and there is
 574.716justly called an incipient species; but whether this belief be justifiable must be
 604.428between them, judging by analogy whether or not the amount suffices to raise one
 604.583very important criterion in settling whether two forms [page] 57 CHAP. II. RESEMBLE
 635.358been disputed. It is immaterial for us whether a multitude of doubtful forms be called
 689.630struggle between the individuals, whether of the same or of distinct species
 735.371medicinal leech. It may even be doubted whether the varieties of any one of our
 796.1325would effectually settle which variety, whether a smooth or downy, a yellow or purple
 928.547deceive ourselves, for to ascertain whether a small isolated area, or a large open
 1002.557It may be doubted, for instance, whether the Australian marsupials, which are
 1092.0in their struggles with other males. Whether natural selection has really thus acted
 1155.456or to reduce the wings, would depend on whether a greater number of individuals were
 1177.57from our frequent inability to predict whether or not an imported plant will endure
 1177.422adaptation to particular climates. But whether or not the adaptation be generally very
 1249.159great variability of these characters, whether or not displayed in any unusual manner
 1305.758progenitor possessed, the tendency, whether strong or weak, to reproduce the lost
 1315.126turn-crowned, we could not have told, whether these characters in our domestic breeds
 1343.21CHAP. V. to ask Colonel Poole whether such face-stripes ever occur in the
 1349.221common parent of our domestic horse, whether or not it be descended from one or more
 1472.370to tell, and immaterial for us, whether habits generally change first and
 1472.437first and structure afterwards; or whether slight modifications of structure lead
 1697.734head over heels. It may be doubted whether any one would have thought of training
 1747.672courage. Now I was curious to ascertain whether F. sanguinea could distinguish the pupæ
 1767.304great principle of gradation, and see whether Nature does not reveal to us her method
 1914.1741that we may well be permitted to doubt whether many other species are really so
 1918.748by our best botanists on the question whether certain doubtful forms should be ranked
 1944.425are, I think, more sterile. I doubt whether any case of a perfectly fertile hybrid
 1956.730and analogy makes me greatly doubt, whether the several aboriginal species would at
 1964.113Our chief object will be to see whether or not the rules indicate that species
 2032.884No one can tell, till he tries, whether any particular animal will breed under
 2032.1015nor can he tell, till he tries, whether any two species of a genus will produce
 2110.1166the child to its parents are the same, whether the two parents differ much or little
 2153.83structure with that of the rock-pigeon, whether they had descended from this species or
 2213.1283nearly every twenty-two years. I doubt whether any rock, even as soft as chalk, would
 2273.1012glacial period. Yet it may be doubted whether in any quarter of the world
 2305.10CHAP. IX. GEOLOGICAL RECORD. ourselves whether, for instance, geologists at some
 2305.231several aboriginal stocks; or, again, whether certain sea-shells inhabiting the
 2317.18be least perfect. It may be doubted whether the duration of any one great period of
 2373.756between the successive formations; whether Europe and the United States during
 2400.15and present chapters. LET us now see whether the several facts and rules relating to
 2412.321independent of that of all others. Whether such variability be taken advantage of
 2412.394advantage of by natural selection, and whether the variations be accumulated to a
 2444.1005were which checked its increase, whether some one or several contingencies, and
 2458.859inherited inferiority in common. But whether it be species belonging to the same or
 2474.130we have not sufficient data to judge whether the productions of the land and of
 2474.252the same parallel manner. We may doubt whether they have thus changed: if the
 2480.610naturalist would hardly be able to say whether the existing or the pleistocene
 2566.77Forms.—There has been much discussion whether recent forms are more highly developed
 2570.1541Zealand were set free in Great Britain, whether any considerable number would be
 2596.29AREAS. It may be asked in ridicule, whether I suppose that the megatherium and
 2677.93discussed by naturalists, namely, whether species have been created at one or
 2683.654So that we are reduced to consider whether the exceptions to [page
 2689.119point equally important for us, namely, whether the several distinct species of a genus
 2695.122bear on another allied question,—namely whether all the individuals of the same species
 2695.233pair, or single hermaphrodite, or whether, as some authors suppose, from many
 2717.177floated across wide spaces of the sea, whether or not they were injured by the salt
 2743.816C. Lyell wrote to M. Hartung to inquire whether he had observed erratic boulders on
 2910.1245water plants and of the lower animals, whether retaining the same identical form or in
 2962.133inhabitants of the more remote islands, whether still retaining the same specific form
 2972.1843would be likely to receive colonists, whether by occasional means of transport or
 3032.481the high importance of barriers, whether of land or water, which separate our
 3044.1338time and space are intelligible; for whether we look to the forms of life which have
 3069.870the Creator; but unless it be specified whether order in time or space, or what else is
 3089.241of whole groups. For instance, whether or not there is an open passage from
 3135.1491some authors. For we might feel sure, whether there had been more or less
 3151.144in which an insect's wing is folded, whether the skin be covered by hair or feathers
 3191.1604most of the characters of each group, whether large or small, and thus give a general
 3195.194high importance of looking to types, whether or not we can separate and define the
 3239.468vertebrate animal, he cannot now tell whether it be that of a mammal, bird, or
 3255.921a metamorphosis." The larvæ of insects, whether adapted to the most diverse and active
 3263.527our own children; we cannot always tell whether the child will be tall or short, or
 3263.1559parent, it must be quite unimportant whether most of its characters are fully [page
 3267.142its food best by having a long beak, whether or not it assumed a beak of this
 3283.247nearly grown up: they are indifferent whether the desired qualities and structures
 3337.491various parts in monsters. But I doubt whether any of these cases throw light on the
 3337.656rudiments can be produced; for I doubt whether species under nature ever undergo
 3351.449characters, if constant and prevalent, whether of high vital importance, or of the
 3357.0page] 457 CHAP. XIII. SUMMARY. whether we look to the same pattern displayed
 3412.1077be able to decide, on the common view, whether or not these doubtful forms are
 3432.928is shown by the inextricable doubts whether very many of them are varieties or
 3554.329haunted by the shadowy doubt whether this or that form be in essence a
 3554.475no slight relief. The endless disputes whether or not some fifty species of British
 3554.625to decide (not that this will be easy) whether any form be sufficiently constant and
 3554.745of definition; and if definable, whether the differences be sufficiently
 4078.9favourable to selection, 102. —, many, whether simultaneously created
 5046.62Expeditious, Certain, and Easy Method, whether great excellence or only mediocrity be
 5512.87expeditious, certain, and easy Method, whether great Excellence or only Mediocrity be
2  whewell 
 45.3the establishment of general laws." W. WHEWELL: Bridgewater Treatise. "To conclude
 5542.131With a Prefatory Notice. By Rev. W. WHEWELL, D,D. Portrait. 8vo. 14s. KEN'S
1235  which 
 234.554and reflecting on all sorts of facts which could possibly have any bearing on it
 234.757into a sketch of the conclusions, which then seemed to me probable: from that
 242.15from my manuscripts. This Abstract, which I now publish, must necessarily be
 242.377give only the general conclusions at which I have arrived, with a few facts in
 242.437with a few facts in illustration, but which, I hope, in most cases will suffice. No
 242.606all the facts, with references, on which my conclusions have been grounded; and
 242.767point is discussed in this volume on which facts cannot be adduced, often
 242.868directly opposite to those at which I have arrived. A fair result can be
 244.110acknowledging the generous assistance which I have received from very many
 250.623of structure and coadaptation which most justly excites our admiration
 250.1105of trees. In the case of the misseltoe, which draws its nourishment from certain
 250.1153its nourishment from certain trees, which has seeds that must be transported by
 250.1216be transported by certain birds, and which has flowers with separate sexes
 260.757organic beings throughout the world, which inevitably follows from their high
 272.222the mutual relations of all the beings which live around us. Who can explain why one
 272.850study and dispassionate judgment of which I am capable, that the view which most
 272.884of which I am capable, that the view which most naturalists entertain, and which I
 272.922which most naturalists entertain, and which I formerly entertained—namely, that
 285.135and animals, one of the first points which strikes us, is, that they generally
 285.351diversity of the plants and animals which have been cultivated, and which have
 285.383animals which have been cultivated, and which have varied during all ages under the
 285.673and somewhat different from, those to which the parent-species have been exposed
 291.687the chief one is the remarkable effect which confinement or cultivation has on the
 291.1121unite. How many animals there are which will not breed, though living long
 291.1602here enter on the copious details which I have collected on [page] 9 CHAP. I
 295.60but to show how singular the laws are which determine the reproduction of animals
 295.772tamed, long-lived, and healthy (of which I could give numerous instances), yet
 297.110we owe variability to the same cause which produces sterility; and variability is
 299.108gardeners mean a single bud or offset, which suddenly assumes a new and sometimes
 311.752a single domestic animal can be named which has not in some country drooping ears
 313.54laws regulating variation, some few of which can be dimly seen, and will be
 317.97peculiarities go together, of which many remarkable cases could be given
 319.363points in structure and constitution in which the varieties and sub-varieties differ
 321.14of the parental type. Any variation which is not inherited is unimportant for us
 327.706alone. A much more important rule, which I think may be trusted, is that, at
 331.495in the offspring at the same period at which it first appeared in the parent. I
 331.735and not to its primary cause, which may have acted on the ovules or male
 337.358of the cabbage, in very poor soil (in which case, however, some effect would have
 343.70have a somewhat monstrous character; by which I mean, that, although differing from
 343.364with all the species in nature to which they are nearest allied. With these
 343.833either amongst animals or plants, which have not been ranked by some competent
 343.1464on the view of the origin of genera which I shall presently give, we have no
 349.51terrier, spaniel, and bull-dog, which we all know propagate their kind so
 359.653With respect to horses, from reasons which I cannot give here, I am doubtfully
 363.76to ducks and rabbits, the breeds of which differ considerably from each other in
 365.173authors. They believe that every race which breeds true, let the distinctive
 365.1091the domestic dogs of the whole world, which I fully admit have probably descended
 369.420selection of those individual mongrels, which present any desired character; but that
 371.179pigeons. I have kept every breed which I could purchase or obtain, and have
 375.1124and its enormously developed crop, which it glories in inflating, may well
 381.1124the toes, are all points of structure which are variable. The period at which the
 381.1158which are variable. The period at which the perfect plumage is acquired varies
 381.1239as does the state of the down with which the nestling birds are clothed when
 383.56a score of pigeons might be chosen, which if shown to an ornithologist, and he
 389.271geographical races or sub-species, which differ from each other in the most
 389.357respects. As several of the reasons which have led me to this belief are in some
 389.1578and the common rock-pigeon, which has the same habits with the domestic
 393.480or feral, though the dovecot-pigeon, which is the rock-pigeon in a very slightly
 399.823distinct breeds are crossed, neither of which is blue or has any of the above
 403.327number of generations. In a breed which has been crossed only once with some
 403.686both parents to revert to a character, which has been lost during some former
 413.579of structure. Thirdly, those characters which are mainly distinctive of each breed
 417.473His Majesty by crossing the breeds, which method was never practised before, has
 417.728the immense amount of variation which pigeons have undergone, will be obvious
 419.685convinced that the several breeds to which each has attended, are descended from
 425.52us now briefly consider the steps by which domestic races have been produced
 429.267the fuller's teazle, with its hooks, which cannot be rivalled by any mechanical
 429.1001quarrelsome, with "everlasting layers" which never desire to sit, and with the
 435.291as something quite plastic, which they can model almost as they please
 435.642of the principle of selection as "that which enables the agriculturist, not only to
 435.790It is the magician's wand, by means of which he may summon into life whatever form
 441.579by an uneducated eye—differences which I for one have vainly attempted to
 443.267that this is not so in some cases, in which exact records have been kept; thus, to
 449.835It is not that the varieties which differ largely in some one point do not
 449.1011of growth, the importance of which should never be overlooked, will ensure
 457.223for our purpose, a kind of Selection, which may be called Unconscious, and which
 457.260which may be called Unconscious, and which results from every one trying to
 461.452in question had been made long ago, which might serve for comparison. In some
 467.128think, clearly trace the stages through which they have insensibly passed, and come
 469.80the effects of a course of selection, which may be considered as unconsciously
 469.233have wished to have produced the result which ensued—namely, the production of two
 471.266during famines and other accidents, to which savages are so liable, and such choice
 477.198in the increased size and beauty which we now see in the varieties of the
 479.255the wild parent-stocks of the plants which have been longest cultivated in our
 487.49here given of the all-important part which selection by man has played, it becomes
 491.0page] 39 CHAP. I. SELECTION BY MAN. which are first given to him in some slight
 491.881of other and distinct breeds, in which as many as seventeen tail-feathers have
 491.1074upper part of its œsophagus,—a habit which is disregarded by all fanciers, as it
 493.258s own possession. Nor must the value which would formerly be set on any slight
 493.378same species, be judged of by the value which would now be set on them, after several
 493.539indeed do now, arise amongst pigeons, which are rejected as faults or deviations
 493.732the Thoulouse and the common breed, which differ only in colour, that [page
 509.81admirable varieties of the strawberry which have been raised during the last thirty
 511.164of new races,—at least, in a country which is already stocked with other races. In
 515.1229regard to animals and to those plants which are propagated by seed. In plants which
 515.1269which are propagated by seed. In plants which are temporarily propagated by cuttings
 526.358I here discuss the various definitions which have been given of the term species. No
 532.39Again, we have many slight differences which may be called individual differences
 532.165the offspring from the same parents, or which may be presumed to have thus arisen
 532.800a long catalogue of facts, that parts which must be called important, whether
 532.1109even in important parts of structure, which he could collect on good authority, as
 536.114in these main nerves in Coccus, which may almost be compared to the irregular
 536.545naturalists have honestly confessed) which does not vary; and, under this point of
 538.58connected with individual differences, which seems to me extremely perplexing: I
 538.122perplexing: I refer to those genera which have sometimes been called "protean" or
 538.186called "protean" or "polymorphic," in which the species present an inordinate
 538.284and hardly two naturalists can agree which forms to rank as species and which as
 538.319which forms to rank as species and which as varieties. We may instance Rubus
 538.556fixed and definite characters. Genera which are polymorphic in one country seem to
 538.969variations in points of structure which are of no service or disservice to the
 538.1027or disservice to the species, and which consequently have not been seized on
 542.12II. DOUBTFUL SPECIES. Those forms which possess in some considerable degree the
 542.84degree the character of species, but which are so closely similar to some other
 542.826variety. But cases of great difficulty, which I will not here enumerate, sometimes
 544.310and well-known varieties can be named which have not been ranked as species by at
 548.441has marked for me 182 British plants, which are generally considered as varieties
 548.490generally considered as varieties, but which have all been ranked by botanists as
 548.610omitted many trifling varieties, but which nevertheless have been ranked by some
 548.912of 139 doubtful forms! Amongst animals which unite for each birth, and which are
 548.944animals which unite for each birth, and which are highly locomotive, doubtful forms
 548.1200insects in North America and Europe, which differ very slightly from each other
 548.1748Madeira group there are many insects which are characterized as varieties in Mr
 548.1824in Mr. Wollaston's admirable work, but which it cannot [page] 49 CHAP. II. DOUBTFUL
 552.143generally regarded as varieties, but which have been ranked as species by some
 560.644more than a dozen species out of forms, which are very generally considered as
 562.258of the amount and kind of variation to which the group is subject; and this shows
 566.179the amount of difference in the forms which he is continually studying; and he has
 566.316other groups and in other countries, by which to correct his first impressions. As he
 566.617be enabled to make up his own mind which to call varieties and which species
 566.645own mind which to call varieties and which species; but he will succeed in this at
 566.902from countries not now continuous, in which case he can hardly hope to find the
 568.112and sub-species—that is, the forms which in the opinion of some naturalists come
 570.260history. And I look at varieties which are in any degree more distinct and
 574.399passage of a variety, from a state in which it differs very slightly from its
 574.456very slightly from its parent to one in which it differs more, to the action of
 578.239differ from the term variety, which is given to less distinct and more
 582.149the nature and relations of the species which vary most, by tabulating all the
 584.52and others have shown that plants which have very wide ranges generally present
 584.234and as they come into competition (which, as we shall hereafter see, is a far
 584.414in any limited country, the species which are most common, that is abound most in
 584.489most in individuals, and the species which are most widely diffused within their
 588.6SPECIES VARY MOST. CHAP. II. those which range widely over the world, are the
 588.127are the most numerous in individuals,—which oftenest produce well-marked varieties
 588.411inhabitants of the country, the species which are already dominant will be the most
 588.481be the most likely to yield offspring which, though in some slight degree modified
 590.1153relation to the size of the genera to which the species belong. Again, plants low
 598.479the species of the large genera which present any varieties, invariably
 604.91genera and their recorded varieties which deserve notice. We have seen that there
 604.167there is no infallible criterion by which to distinguish species and well-marked
 604.245marked varieties; and in those cases in which intermediate links have not been found
 608.680be said, that in the larger genera, in which a number of varieties or incipient
 616.25species. There is one other point which seems to me worth notice. Varieties
 616.350reason to believe, that those species which are very closely allied to other
 616.586of plants (4th edition) 63 plants which are therein ranked as species, but
 616.627are therein ranked as species, but which he considers as so closely allied to
 616.788average over 6.9 of the provinces into which Mr. Watson has divided Great Britain
 616.961provinces; whereas, the species to which these varieties belong range over
 616.1198by Mr. Watson as doubtful species, but which are almost universally ranked by
 618.264the actual characters of the forms which they connect; and except, secondly, by
 624.94dominant species of the larger genera which on an average vary most; and varieties
 624.309and throughout nature the forms of life which are now dominant tend to become still
 635.1139less plainly in the humblest parasite which clings [page] 61 CHAP. III. STRUGGLE
 639.82a bird; in the structure of the beetle which dives through the water; in the plumed
 639.132through the water; in the plumed seed which is wafted by the gentlest breeze; in
 641.50may be asked, how is it that varieties, which I have called incipient species, become
 641.149into good and distinct species, which in most cases obviously differ from
 641.286How do those groups of species, which constitute what are called distinct
 641.340what are called distinct genera, and which differ from each other more than do the
 641.993of the many individuals of any species which are periodically born, but a small
 641.1087I have called this principle, by which each slight variation, if useful, is
 645.1010not see, or we forget, that the birds which are idly singing round us mostly live
 647.156of one being on another, and including (which is more important) not only the life of
 647.336truly said to struggle with each other which shall get food and live. But a plant on
 651.8III. STRUGGLE FOR EXISTENCE. A plant which annually produces a thousand seeds, of
 651.53annually produces a thousand seeds, of which on an average only one comes to
 651.180the plants of the same and other kinds which already clothe the ground. The
 651.841other plants. In these several senses, which pass into each other, I use for
 653.66follows from the high rate at which all organic beings tend to increase
 653.122beings tend to increase. Every being, which during its natural lifetime produces
 661.356from our domestic animals of many kinds which have run wild in several parts of the
 661.665could be given of introduced plants which have become common throughout whole
 665.201from Europe; and there are plants which now range in India, as I hear from Dr
 665.291from Cape Comorin to the Himalaya, which have been imported from America since
 665.812ratio of increase, the result of which never fails to be surprising, simply
 667.94and amongst animals there are very few which do not annually pair. Hence we may
 667.282most rapidly stock every station in which they could any how exist, and that the
 669.38The only difference between organisms which annually produce eggs or seeds by the
 669.102or seeds by the thousand, and those which produce extremely few, is, that the
 673.544is of some importance to those species, which depend on a rapidly fluctuating amount
 673.1120to keep up the full number of a tree, which lived on an average for a thousand
 681.929of seeds, but, from some observations which I have made, I believe that it is the
 681.983I believe that it is the seedlings which suffer most from germinating in ground
 681.1429chiefly by slugs and insects. If turf which has long been mown, and the case would
 687.73of course gives the extreme limit to which each can increase; but very frequently
 687.190the serving as prey to other animals, which determines the average numbers of a
 689.674of the same or of distinct species, which subsist on the same kind of food. Even
 693.61it will be the least vigorous, or those which have got least food through the
 693.117food through the advancing winter, which will suffer most. When we travel from
 695.139number of plants in our gardens which can perfectly well endure our climate
 695.188perfectly well endure our climate, but which never become naturalised, for they
 699.347appear to be due to parasitic worms, which have from some cause, possibly in part
 701.319compared with the number of birds which feed on them; nor can the birds, though
 707.113and relations between organic beings, which have to struggle together in the same
 707.202I will give only a single instance, which, though a simple one, has interested me
 707.383was a large and extremely barren heath, which had never been touched by the hand of
 707.902carices) flourished in the plantations, which could not be found on the heath. The
 707.1062were very common in the plantations, which were not to be seen on the heath; and
 711.406of seedlings and little trees, which had been perpetually browsed down by
 713.443number in Paraguay of a certain fly, which lays its eggs in the navels of these
 719.664not visit this flower. From experiments which I have tried, I have found that the
 723.205degree on the number of field-mice, which destroy their combs and nests; and Mr
 723.603bees more numerous than elsewhere, which I attribute to the number of cats that
 729.331and seedlings, or on the other plants which first clothed the ground and thus
 729.601of the innumerable plants and animals which have determined, in the course of
 731.173This is often the case with those which may strictly be said to struggle with
 731.758seed be resown, some of the varieties which best suit the soil or climate, or are
 737.915be most severe between allied forms, which fill nearly the same place in the
 741.232that of all other organic beings, with which it comes into competition for food or
 741.295for food or residence, or from which it has to escape, or on which it preys
 741.325or from which it has to escape, or on which it preys. This is obvious in the
 741.462of the legs and claws of the parasite which clings to the hair on the tiger's body
 747.260its competitors, or over the animals which preyed on it. On the confines of its
 766.140Can the principle of selection, which we have seen is so potent in the hands
 772.361of the intimate and complex manner in which the inhabitants of each country are
 772.942partly surrounded by barriers, into which new and better adapted forms could not
 772.1053have places in the economy of nature which would assuredly be better filled up, if
 776.88such case, every slight modification, which in the course of ages chanced to arise
 776.138course of ages chanced to arise, and which in any way favoured the individuals of
 778.1361advantage. No country can be named in which all the native inhabitants are now so
 778.1474and to the physical conditions under which they live, that none of [page] 83 CHAP
 784.470good; Nature only for that of the being which she tends. Every selected character is
 790.146even the slightest; rejecting that which is bad, preserving and adding up all
 792.111being, yet characters and structures, which we are apt to consider as of very
 796.1310differences would effectually settle which variety, whether a smooth or downy, a
 798.63points of difference between species, which, as far as our ignorance permits us to
 798.347unknown laws of correlation of growth, which, when one part of the organisation is
 804.32As we see that those variations which under domestication appear at any
 804.1051wholly different from those which concern the mature insect. These
 804.1229probably in the case of those insects which live only for a few hours, and which
 804.1266which live only for a few hours, and which never feed, a large part of their
 810.476natural history, I cannot find one case which will bear investigation. A structure
 810.1237of the young birds within the egg, which had the most powerful and hardest beaks
 816.391the most vigorous males, those which are best fitted for their places in
 822.286strange antics before the females, which standing by as spectators, at last
 828.385in the cocks of certain fowls, &c.), which we cannot believe to be either useful
 828.585hair on the breast of the turkey-cock, which can hardly be either useful or
 830.217Let us take the case of a wolf, which preys on various animals, securing some
 830.1053or by that unconscious selection which results from each man trying [page
 836.70proportional numbers of the animals on which our wolf preyed, a cub might be born
 836.902process, a new variety might be formed which would either supplant or coexist with
 836.1531one with a light greyhound-like form, which pursues deer, and the other more bulky
 836.1596other more bulky, with shorter legs, which more frequently attacks the shepherd's
 842.691would produce very vigorous seedlings, which consequently would have the best chance
 842.867power. Those individual flowers which had the largest glands or nectaries
 842.914the largest glands or nectaries, and which excreted most nectar, would be oftenest
 842.1082the upper hand. Those flowers, also, which had their stamens and pistils placed
 842.1187and habits of the particular insects which visited them, so as to favour in any
 842.1836to the plant; and those individuals which produced more and more pollen, and had
 846.548holly-trees bear only male flowers, which have four stamens producing rather a
 846.764stamens with shrivelled anthers, in which not a grain of pollen can be detected
 846.1285bees, nevertheless every female flower which I examined had been effectually
 852.97case: we may suppose the plant of which we have been slowly increasing the
 852.429nectar at the bases of certain flowers, which they can, with a very little more
 856.8CHAP. IV. NATURAL SELECTION. clover, which is visited by humble-bees alone; so
 858.134is open to the same objections which were at first urged against Sir Charles
 864.942regularly unite for reproduction, which is all that concerns us. But still
 864.1020there are many hermaphrodite animals which certainly do not habitually pair, and a
 872.127of facts, such as the following, which on any other view are inexplicable
 872.913of the flower and the manner in which bees suck the nectar; for, in doing
 878.395and curiously in this very genus, which seems to have a special contrivance for
 878.826Sprengel and from my own observations, which effectually prevent the stigma
 878.992beautiful and elaborate contrivance by which every one of the infinitely numerous
 878.1423species of Lobelia growing close by, which is visited by bees, seeds freely. In
 892.202a single case of a terrestrial animal which fertilises itself. We can understand
 892.267We can understand this remarkable fact, which offers so strong a contrast with
 892.411by considering the medium in which terrestrial animals live, and the
 892.588of the wind in the case of plants, by which an occasional cross could be effected
 900.66and from the many special facts which I have collected, but which I am not
 900.94facts which I have collected, but which I am not here able to give, I am
 900.363view, many cases of difficulty, some of which I am trying to investigate. Finally
 912.309will most affect those animals which unite for each birth, which wander much
 912.337animals which unite for each birth, which wander much, and which do not breed at
 912.360for each birth, which wander much, and which do not breed at a very quick rate
 912.580be the case. In hermaphrodite organisms which cross only occasionally, and likewise
 912.635occasionally, and likewise in animals which unite for each birth, but which wander
 912.667animals which unite for each birth, but which wander little and which can increase at
 912.691each birth, but which wander little and which can increase at a very rapid rate, a
 914.43in the case of slow-breeding animals, which unite for each birth, we must not
 920.0CIRCUMSTANCES FAVOURABLE CHAP. IV. which unite for each birth; but I have
 920.572be great. If there exist organic beings which never intercross, uniformity of
 920.791natural selection destroying any which depart from the proper type; but if
 922.443the individuals of the same species, which otherwise would have inhabited the
 930.233in the production of species, which will prove capable of enduring for a
 934.1109the new forms produced on large areas, which already have been victorious over many
 936.55on these views, understand some facts which will be again alluded to in our chapter
 940.667as the Ornithorhynchus and Lepidosiren, which, like fossils, connect to a certain
 942.228productions a large continental area, which will probably undergo many oscillations
 942.288undergo many oscillations of level, and which consequently will exist for long
 948.143being places in the polity of nature, which can be better occupied by some of the
 948.320will often depend on physical changes, which are generally very slow, and on the
 952.109tells us of the rate and manner at which the inhabitants of this world have
 954.302with their physical conditions of life, which may be effected in the long course of
 956.263of variations in some way advantageous, which consequently endure. But as from the
 962.25any natives. Furthermore, the species which are most numerous in individuals will
 962.256showing that it is the common species which afford the greatest number of recorded
 964.212rarer, and finally extinct. The forms which stand in closest competition with those
 964.514of the same genus or of related genera,—which, from having nearly the same structure
 970.40Divergence of Character.—The principle, which I have designated by this term, is of
 982.112the case of a carnivorous quadruped, of which the number that can be supported in any
 982.1447varieties were continually selected which differed from each other in at all the
 988.424of turf, three feet by four in size, which had been exposed for many years to
 988.589to eighteen genera and to eight orders, which shows how much these plants differed
 988.950Most of the animals and plants which live close round any small piece of
 988.1362determine that the inhabitants, which thus jostle each other most closely
 994.90have been expected that the plants which have succeeded in becoming naturalised
 996.51the nature of the plants or animals which have struggled successfully with the
 1002.592whether the Australian marsupials, which are divided into groups differing but
 1004.32After the foregoing discussion, which ought to have been much amplified, we
 1018.203We have, also, seen that the species, which are the commonest and the most widely
 1018.790equal periods. Only those variations which are in some way profitable will be
 1020.386to be exposed to the same conditions which made their parents variable, [page
 1024.272will tend to inherit those advantages which made their common parent (A) more
 1024.437of those more general advantages which made the genus to which the parent
 1024.461advantages which made the genus to which the parent-species belonged, a large
 1026.240diagram to have produced variety a2, which will, owing to the principle of
 1032.270according to the nature of the places which are either unoccupied or not perfectly
 1032.735letters marking the successive forms which have become sufficiently distinct to be
 1034.147tend to partake of the same advantages which made their parent successful in life
 1040.105three forms, a10, f10, and m10, which, from having diverged in character
 1040.722the diagram illustrates the steps by which the small differences distinguishing
 1046.180produced. In each genus, the species, which are already extremely different in
 1046.517nearly extreme species (I), as those which have largely varied, and have given
 1048.591be most severe between those forms which are most nearly related to each other
 1048.963many whole collateral lines of descent, which will be conquered by later and improved
 1052.120adapted to some quite new station, in which child and parent do not come into
 1056.1012likewise some of the original species which were most nearly related to their
 1056.1224that only one (F), of the two species which were least closely related to the other
 1062.471is a very important consideration), which connected the original species (A) and
 1070.83the character of the new species F14, which is supposed not to have diverged much
 1070.368nature. Having descended from a form which stood between the two parent-species (A
 1072.446on the affinities of extinct beings, which, though generally belonging to the same
 1080.73it is the species of the larger genera which oftenest present varieties or incipient
 1080.314existence, it will chiefly act on those which already have some advantage; and the
 1080.582mainly lie between the larger groups, which are all trying to increase in number
 1084.360that the groups of organic beings which are now large and triumphant, and which
 1084.400which are now large and triumphant, and which are least broken up, that is, which as
 1084.436and which are least broken up, that is, which as yet have suffered least extinction
 1084.530a long period continue to increase. But which groups will ultimately prevail, no man
 1096.133structure, habits, and constitution, of which we see proof by looking at the
 1098.117belonging to the larger genera, which vary most; and these will tend to
 1098.211modified offspring that superiority which now makes them dominant in their own
 1098.564is a truly wonderful fact—the wonder of which we are apt to overlook from familiarity
 1098.749subordinate to group, in the manner which we everywhere behold—namely, varieties
 1104.911to groups. Of the many twigs which flourished when the tree was a mere
 1104.1074the other branches; so with the species which lived during long-past geological
 1104.1357whole orders, families, and genera which have now no living representatives, and
 1108.0page] 130 NATURAL SELECTION. CHAP. IV. which are known to us only from having been
 1108.165from a fork low down in a tree, and which by some chance has been favoured and is
 1108.312the Ornithorhynchus or Lepidosiren, which in some small degree connects by its
 1108.398two large branches of life, and which has apparently been saved from fatal
 1108.688has been with the great Tree of Life, which fills with its dead and broken branches
 1119.784nature of the conditions of life, to which the parents and their more remote
 1119.947chapter—but a long catalogue of facts which cannot be here given would be necessary
 1123.214affected before that union takes place which is to form a new being. In the case of
 1123.287the case of "sporting" plants, the bud, which in its earliest condition does not
 1125.395between one organic being and another, which we see everywhere throughout nature
 1125.977Moquin-Tandon gives a list of plants which when growing near the sea-shore have
 1131.247varieties. Thus the species of shells which are confined to tropical and shallow
 1131.382to cold and deeper seas. The birds which are confined to continents are
 1131.588are often brassy or lurid. Plants which live exclusively on the sea-side are
 1133.318the more severe the climate is under which they have lived; but who can tell how
 1141.314can have no standard of comparison, by which to judge of the effects of long
 1141.444forms; but many animals have structures which can be explained by the effects of
 1141.936wingless condition of several birds, which now inhabit or have lately inhabited
 1141.1130and is exposed to danger from which it cannot escape by flight, but by
 1149.76to disuse modifications of structure which are wholly, or mainly, due to natural
 1153.329elsewhere excessively numerous, and which groups have habits of life almost
 1153.660generations each individual beetle which flew least, either from its wings
 1153.890and, on the other hand, those beetles which most readily took to flight will
 1155.23been destroyed. The insects in Madeira which are not ground-feeders, and which, as
 1155.57which are not ground-feeders, and which, as the flower-feeding coleoptera and
 1159.460that they were frequently blind; one which I kept alive was certainly in this
 1161.80to the most different classes, which inhabit the caves of Styria and of
 1171.858owing to the less severe competition to which the inhabitants of these dark abodes
 1173.817of species to the climates under which they live is often overrated. [page
 1177.187animals brought from warmer countries which here enjoy good health. We have reason
 1183.914wide flexibility of constitution, which is common to most animals. On this view
 1189.381tend to preserve those individuals which are born with constitutions best
 1189.670published in the United States, in which certain varieties are habitually
 1189.924The case of the Jerusalem artichoke, which is never propagated by seed, and of
 1189.966is never propagated by seed, and of which consequently new varieties have not
 1197.646adult. The several parts of the body which are homologous, and which, at an early
 1197.672of the body which are homologous, and which, at an early embryonic period, are
 1205.820we pick out the two orders of mammalia which are most abnormal in their dermal
 1217.225and external structure of the seeds, which are not always correlated with any
 1219.68to correlation of growth, structures which are common to whole groups of species
 1219.117common to whole groups of species, and which in truth are simply due to inheritance
 1219.657are entirely due to the manner alone in which natural selection can act. For instance
 1219.779winged seeds are never found in fruits which do not open: I should explain the rule
 1219.925natural selection, except in fruits which opened; so that the individual plants
 1223.6CHAP. V. CORRELATION OF GROWTH. seeds which were a little better fitted to be
 1223.189could not possibly go on in fruit which did not open. The elder Geoffroy and
 1227.56that some of the cases of compensation which have been advanced, and likewise some
 1231.309I can thus only understand a fact with which I was much struck when examining
 1231.367when examining cirripedes, and of which many other instances could be given
 1231.1247for in the struggle for life to which every animal is exposed, each
 1237.764of nature are more variable than those which are higher. I presume that lowness in
 1237.1240alone. In the same way that a knife which has to cut all sorts of things may be
 1245.544without giving the long array of facts which I have collected, and which cannot
 1245.572of facts which I have collected, and which cannot possibly be here introduced. I
 1245.1471used by Hunter, applies to characters which are attached to one sex, but are not
 1249.209not displayed in any unusual manner-of which fact I think there can be little doubt
 1257.746In rudimentary organs, and in those which have been but little specialised for
 1257.1120in our domestic animals those points, which at the present time are undergoing
 1257.1682and frequently individuals are born which depart widely from the standard. There
 1263.563long-continued amount of variability, which has continually been accumulated by
 1263.924in other parts of the organisation, which have remained for a much longer period
 1267.485structure. It is only in those cases in which the modification has been comparatively
 1269.615is not in this case applicable, which most naturalists would advance, namely
 1273.338that some important organ or part, which is generally very constant throughout
 1273.574And this fact shows that a character, which is generally of generic value, when it
 1275.111why should that part of the structure, which differs from the same part in other
 1275.236be more variable than those parts which are closely alike in the several
 1275.508vary in those parts of their structure which have varied within a moderately recent
 1275.565within a moderately recent period, and which have thus come to differ. Or to state
 1275.651case in another manner:—the points in which all the species of a genus resemble
 1275.712of a genus resemble each other, and in which they differ from the species of some
 1279.535day. On the other hand, the points in which species differ from other species of
 1279.902than those parts of the organisation which have for a very long period remained
 1281.460the males of gallinaceous birds, in which secondary sexual characters are
 1281.909been accumulated by sexual selection, which [page] 157 CHAP. V. LAWS OF VARIATION
 1287.175very same parts of the organisation in which the different species of the same genus
 1287.311illustration two instances, the first which happen to stand on my list; and as the
 1293.88of specific characters, or those which distinguish species from species, than
 1293.165than of generic characters, or those which the species possess in common;—that the
 1293.252extreme variability of any part which is developed in a species in an
 1293.972have inherited much in common,—to parts which have recently and largely varied being
 1293.1063still to go on varying than parts which have long been inherited and have not
 1297.1135Swedish turnip and Ruta baga, plants which several botanists rank as varieties
 1305.631proportion of foreign blood. In a breed which has not been crossed, but in which both
 1305.666which has not been crossed, but in which both parents have lost some character
 1305.710both parents have lost some character which their progenitor possessed, the
 1305.958number of generations. When a character which has been lost in a breed, reappears
 1309.114to reproduce the character in question, which at last, under unknown favourable
 1309.260in each generation of the barb-pigeon, which produces most rarely a blue and black
 1315.323from the number of the markings, which are correlated with the blue tint, and
 1315.368are correlated with the blue tint, and which it does not appear probable would all
 1315.920reversion or from analogous variation) which already occur in some other members of
 1317.281intermediate between two other forms, which themselves must be doubtfully ranked as
 1323.426in the foal, and from inquiries which I have made, I believe this to be true
 1331.315barred; and the shoulder-stripe, which is sometimes double and sometimes
 1333.173from several aboriginal species-one of which, the dun, was striped; and that the
 1339.452mule. In four coloured drawings, which I have seen, of hybrids between the ass
 1345.285whenever a dun tint appears-a tint which approaches to that of the general
 1345.1583Call the breeds of pigeons, some of which have bred true for centuries, species
 1357.441parts; and every part of the structure which can be saved without detriment to the
 1357.669correlations of growth, the nature of which we are utterly unable to understand
 1357.1056of nature are more variable than those which have their whole organisation more
 1357.1298characters-that is, the characters which have come to differ since the several
 1357.1454than generic characters, or those which have long been inherited, and have not
 1365.307modifications of structure, by which the innumerable beings on the face of
 1380.317such as the tail of a giraffe, which serves as a fly-flapper, and, on the
 1384.41wonderful structure, as the eye, of which we hardly as yet fully understand the
 1386.130to so marvellous an instinct as that which leads the bee to make cells, which have
 1386.165that which leads the bee to make cells, which have practically anticipated the
 1392.298or other less-favoured forms with which it comes into competition. Thus
 1412.941on the presence of other species, on which it depends, or by which it is destroyed
 1412.965species, on which it depends, or by which it is destroyed, or with which it comes
 1412.996or by which it is destroyed, or with which it comes into competition; and as these
 1414.221neutral territory between them, in which they become rather suddenly rarer and
 1418.786much rarer numerically than the forms which they connect. Now, if we may trust
 1418.986in lesser numbers than the forms which they connect, then, I think, we can
 1418.1194and disappear, sooner than the forms which they originally linked together. For
 1420.402the process of further modification, by which two varieties are supposed on my theory
 1420.513into two distinct species, the two which exist in larger numbers from inhabiting
 1420.632over the intermediate variety, which exists [page] 177 CHAP. VI
 1424.255to seize on, than will the rarer forms which exist in lesser numbers. Hence, the
 1424.470and improved. It is the same principle which, as I believe, accounts for the common
 1424.1336hill breed; and thus the two breeds, which originally existed in greater numbers
 1432.105recent period in isolated portions, in which many forms, more especially amongst the
 1432.159more especially amongst the classes which unite for each birth and wander much
 1434.532in lesser numbers than the varieties which they tend to connect. From this cause
 1438.199be beaten and supplanted by the forms which they connect; for these from existing
 1440.448be found only amongst fossil remains, which are preserved, as we shall in a future
 1442.640at the Mustela vison of North America, which has webbed feet and which resembles an
 1442.666America, which has webbed feet and which resembles an otter in its fur, short
 1448.98for out of the many striking cases which I have collected, I can give only one
 1450.411tail united by a broad expanse of skin, which serves as a parachute and allows them
 1456.47at the Galeopithecus or flying lemur, which formerly was falsely ranked amongst
 1456.969would convert it into a bat. In bats which have the wing-membrane extended from
 1462.39surmised that birds might have existed which used their wings solely as flappers
 1462.369for it, under the conditions of life to which it is exposed, for each has to live by
 1462.602of wing-structure here alluded to, which perhaps may all have resulted from
 1462.681disuse, indicate the natural steps by which birds have acquired their perfect power
 1464.287it is conceivable that flying-fish, which now glide far through the air, slightly
 1472.649to that of the many British insects which now feed on exotic plants, or
 1478.617in North America there are woodpeckers which feed largely on fruit, and others with
 1478.678fruit, and others with elongated wings which chase insects on the wing; and on the
 1478.789a tree grows, there is a woodpecker, which in every essential part of its
 1478.1012common species; yet it is a woodpecker which never climbs a tree! Petrels are the
 1486.322there are upland geese with webbed feet which rarely or never go near the water; and
 1486.416Audubon has seen the frigate-bird, which has all its four toes webbed, alight on
 1494.630and the variations be inherited, which is certainly the case; and if any
 1498.353to those coarser vibrations of the air which produce sound. In looking for the
 1500.33In looking for the gradations by which an organ in any species has been
 1500.803to discover the earlier stages, by which the eye has been perfected. In the
 1502.426one divided into facets, within each of which there is a lens-shaped swelling. In
 1502.508other crustaceans the transparent cones which are coated by pigment, and which
 1502.541cones which are coated by pigment, and which properly act only by excluding lateral
 1506.166far too briefly and imperfectly given, which show that there is much graduated
 1506.336animals is in proportion to those which have become extinct, I can see no very
 1514.415and carefully selecting each alteration which, under varied circumstances, may in any
 1516.60that any complex organ existed, which could not possibly have been formed by
 1516.251case. No doubt many organs exist of which we do not know the transitional grades
 1516.356we look to much-isolated species, round which, according to my theory, there has been
 1516.595at an extremely remote period, since which all the many members of the class have
 1516.719the early transitional grades through which the organ has [page] 190 DIFFICULTIES
 1522.598were thus gained, a part or organ, which had performed two functions, for one
 1524.385of certain fish, or, for I do not know which [page] 191 CHAP. VI. TRANSITIONS OF
 1530.142from an ancient prototype, of which we know nothing, furnished with a
 1530.369that every particle of food and drink which we swallow has to pass over the orifice
 1530.518the beautiful contrivance by which the glottis is closed. In the higher
 1530.1083of insects, it is probable that organs which at a very ancient period served for
 1536.34VI. called by me the ovigerous frena, which serve, through the means of a sticky
 1536.696do not doubt that little folds of skin, which originally served as ovigerous frena
 1536.744served as ovigerous frena, but which, likewise, very slightly aided the act
 1538.204cases of difficulty occur, some of which will be discussed in my future work
 1540.46the gravest is that of neuter insects, which are often very differently constructed
 1546.116occur in only about a dozen fishes, of which several are widely remote in their
 1546.741most fishes had electric organs, which most of their modified descendants have
 1550.215manner two parts in two organic beings, which owe but little of their structure in
 1552.298rarely an organ can be named, towards which no transitional grade is known to lead
 1558.45the origin of simple parts, of which the importance does not seem sufficient
 1560.293on fruit and the colour of the flesh, which, from determining the attacks of
 1560.973attacks of insects: so that individuals which could by any means defend themselves
 1566.365many purposes in so many land animals, which in their lungs or modified swim
 1568.73attribute importance to characters which are really of very little importance
 1568.121really of very little importance, and which have originated from quite secondary
 1574.750see nearly similar hooks on many trees which are not climbers, the hooks on the
 1574.1551the skulls of young birds and reptiles, which have only to escape from a broken egg
 1580.1755differences of our domestic breeds, which nevertheless we generally admit to have
 1584.169differences between the races of man, which are so strongly marked; I may add that
 1586.781of no direct use. So again characters which formerly were useful, or which formerly
 1586.812which formerly were useful, or which formerly had arisen from correlation of
 1590.698limbs of the monkey, horse, and bat, which have been inherited from a common
 1592.413in the ovipositor of the ichneumon, by which its eggs are depo- [page] 201 CHAP. VI
 1596.377to this effect, I cannot find even one which seems to me of any weight. It is
 1600.149inhabitants of the same country with which it has to struggle for existence. And
 1604.585of the wasp or of the bee as perfect, which, when used against many attacking
 1606.183members of the same great order, and which has been modified but not perfected for
 1606.664the truly wonderful power of scent by which the males of many insects find their
 1606.793single purpose of thousands of drones, which are utterly useless to the community
 1606.859to the community for any other end, and which are ultimately slaughtered by their
 1606.1026instinctive hatred of the queen-bee, which urges her instantly to destroy the
 1610.335the several ingenious contrivances, by which the flowers of the orchis and of many
 1612.94some of the difficulties and objections which may be urged against my theory. Many of
 1612.236light has been thrown on several facts, which on the theory of independent acts of
 1616.14ON THEORY. CHAP. VI. the two forms which it connects; consequently the two
 1618.233by natural selection from an animal which at first could only glide through the
 1622.434natural selection. In the cases in which we know of no intermediate or
 1628.778acquired by natural selection,—a power which acts solely by the preservation of
 1638.203fundamental agreement in structure, which we see in organic beings of the same
 1638.257organic beings of the same class, and which is quite independent of their habits of
 1651.299eggs in other birds' nests. An action, which we ourselves should require experience
 1657.180notion of the frame of mind under which an instinctive action is performed, but
 1657.962Huber found it was with a caterpillar, which makes a very complicated hammock; for
 1657.1031hammock; for if he took a caterpillar which had completed its hammock up to, say
 1661.687that the most wonderful instincts with which we are acquainted, namely, those of the
 1663.998produced by the same unknown causes which produce slight deviations of bodily
 1669.229the actual transitional gradations by which each complex instinct has been acquired
 1669.1161under different circumstances, &c.; in which case either one or the other instinct
 1671.324for the sole good of another, with which I am acquainted, is that of aphides
 1675.719excreted a limpid drop of sweet juice, which was eagerly devoured by the ant. Even
 1681.111loss. So it is with the nests of birds, which vary partly in dependence on the
 1683.245and strange habits in certain species, which might, if advantageous to the species
 1689.73be enabled to see the respective parts which habit and the selection of so-called
 1695.426crossing, resemble natural instincts, which in a like manner become curiously
 1697.54are sometimes spoken of as actions which have become inherited solely from long
 1697.278the tumbler-pigeon to tumble,—an action which, as I have witnessed, is performed by
 1697.647tumblers, as I hear from Mr. Brent, which cannot fly eighteen inches high without
 1701.103intending to improve the breed, dogs which will stand and hunt best. On the other
 1703.111this is seen in those breeds of fowls which very rarely or never become "broody
 1703.599has been found incurable in dogs which have been brought home as puppies from
 1703.1191by habit, that fear of the dog and cat which no doubt was originally instinctive in
 1709.233peculiar mental habits and actions, which at first appeared from what we must in
 1711.178select only three, out of the several which I shall have to discuss in my future
 1711.248in my future work,—namely, the instinct which leads the cuckoo to lay her eggs in
 1717.876give several instances of various birds which have been known occasionally to lay
 1725.315possess the pollen-collecting apparatus which would be necessary if they had to store
 1731.613they have to migrate, it is the slaves which determine the migration, and actually
 1731.813a slave, but with plenty of the food which they like best, and with their larvæ
 1737.365Hence I will give the observations which I have myself made, in some little
 1741.236fir-tree, twenty-five yards distant, which they ascended together, probably in
 1747.733could distinguish the pupæ of F. fusca, which they habitually make into slaves, from
 1747.820of the little and furious F. flava, which they rarely capture, and it was evident
 1757.101not pretend to conjecture. But as ants, which are not slave-makers, will, as I have
 1757.449presence proved useful to the species which had seized them-if it were more advan
 1761.344even than in our British F. sanguinea, which, as we have seen, is less aided by its
 1763.149give an outline of the conclusions at which I have arrived. He must be a dull man
 1767.411of a short series we have humble-bees, which use their old cocoons to hold honey
 1767.863have certain angles, and the three which form the pyramidal base of a single
 1767.1428waxen comb of cylindrical cells, in which the young are hatched, and, in addition
 1771.0page] 226 INSTINCT. CHAP. VII. which thus tend to intersect. Hence each cell
 1771.256into contact with three other cells, which, from the spheres being nearly of the
 1779.258the same with the best measurements which have been made of the cells of the hive
 1781.1476hardly more wonderful than those which guide a bird to make its nest,—I
 1787.799sixth of the diameter of the sphere of which they formed a part, the rims of the
 1795.460at the base of a just-commenced cell, which were slightly concave on one side
 1799.151push and bend the ductile and warm wax (which as I have tried is easily done) into
 1801.738time, but only the one rhombic plate which stands on the extreme growing margin
 1807.462away on both sides. The manner in which the bees build is curious; they always
 1807.619thin finished wall of the cell, which will ultimately be left. We shall
 1807.1277injuring the delicate hexagonal walls, which are only about one four-hundredth of an
 1813.342wax having been taken from the spot on which it had been placed, and worked into the
 1813.927cell, sometimes recurring to a shape which they had at first rejected. When bees
 1815.26rejected. When bees have a place on which they can stand in their proper
 1819.51is important, as it bears on a fact, which seems at first quite subversive of the
 1819.707insect might, by fixing on a point at which to commence a cell, and then moving
 1825.661independent of the quantity of honey which the bees could collect. But let us
 1825.817determine, the numbers of a humble-bee which could exist in a country; and let us
 1831.757economy of wax; that individual swarm which wasted least honey in the secretion of
 1831.922economical instinct to new swarms, which in their turn will have had the best
 1833.117theory of natural selection,—cases, in which we cannot see how an instinct could
 1833.195possibly have originated; cases, in which no intermediate gradations are known to
 1837.253myself to one special difficulty, which at first appeared to me insuperable
 1843.111this being inherited by its offspring, which again varied and were again selected
 1845.173all sorts of differences of structure which have become correlated to certain ages
 1851.379be slowly formed by carefully watching which individual bulls and cows, when matched
 1851.1092of the same species has been produced, which we see in many social insects. But we
 1853.717of shield on their heads, the use of which is quite unknown: in the Mexican Myrme
 1857.149have an enormously developed abdomen which secretes a sort of honey, supplying the
 1857.280domestic cattle as they may be called, which our European ants guard or imprison
 1859.276all of one caste or of the same kind, which have been rendered by natural selection
 1859.701selection of the fertile parents which produced most neuters with the
 1863.147workers have simple eyes (ocelli), which though small can be plainly
 1863.965females had been continually selected, which produced more and more of the smaller
 1869.686me with the camera lucida of the jaws which I had dissected from the workers of the
 1871.117fertile parents, could form a species which should regularly produce neuters
 1871.693the natural selection of the parents which generated them; until none with an
 1877.960the most serious special difficulty, which my theory has encountered. The case
 1877.1224must call them accidental, variations, which are in any manner profitable, without
 1877.1485or instincts of the fertile members, which alone leave descendants. I am surprised
 1906.441the first case the two sexual elements which go to form the embryo are perfect; in
 1906.633when the cause of the sterility, which is common to the two cases, has to be
 1910.427he cuts the knot, for in ten cases in which he found two forms, considered by most
 1914.998table about a score of cases of plants which he castrated, and artificially
 1914.1121all cases such as the Leguminosæ, in which there is an acknowledged difficulty in
 1914.1344crossed the primrose and cowslip, which we have such good reason to believe to
 1914.1542Anagallis arvensis and cœrulea), which the best botanists rank as varieties
 1924.1186from the anthers of the flower itself which is to be fertilised; so that a cross
 1930.648by C. revolutum produced a plant, which (he says) I never saw to occur in a
 1932.196the species of the genus Hippeastrum, which can be far more easily fertilised by
 1936.157to maturity, and bore good seed, which vegetated freely." In a letter to me
 1942.716sterile kinds of hybrid rhododendrons, which produce no pollen, for he will find on
 1948.48I hardly know of an instance in which two families of the same hybrid have
 1948.571sisters in the case of any pure animal, which from any cause had the least tendency
 1950.351Chinese geese (A. cygnoides), species which are so different that they are
 1952.11be highly fertile. A doctrine which originated with Pallas, has been [page
 1966.773to an excess of fertility, beyond that which the plant's own pollen will produce. So
 1966.857in hybrids themselves, there are some which never have produced, and probably never
 1972.25fertility. Hybrids from two species which are very difficult to cross, and which
 1972.64which are very difficult to cross, and which rarely produce any offspring, are
 1972.264thus produced-two classes of facts which are generally confounded together-is by
 1972.352means strict. There are many cases, in which two pure species can be united with
 1972.530On the other hand, there are species which can be crossed very rarely, or with
 1974.362the constitution of the individuals which happen to have been chosen for the
 1976.150especially in the structure of parts which are of high physiological importance
 1976.197of high physiological importance and which differ little in the allied species
 1980.482be given of very closely allied species which will not unite, or only with extreme
 1980.584the other hand of very distinct species which unite with the utmost facility. In the
 1980.679there may be a genus, as Dianthus, in which very many species can most readily be
 1980.765and another genus, as Silene, in which the most persevering efforts have
 1980.1105but Gärtner found that N. acuminata, which is not a particularly distinct species
 1992.290go together. There are certain hybrids which instead of having, as is usual, an
 1992.565sterile. So again amongst hybrids which are usually intermediate in structure
 1992.689individuals sometimes are born, which closely resemble one of their pure
 1994.41the several rules now given, which govern the fertility of first crosses
 1994.125and of hybrids, we see that when forms, which must be considered as good and distinct
 1994.605hybrids is not related to the degree in which they resemble in external appearance
 2000.270various species are crossed, all of which we must suppose it would be equally
 2002.249reproductive systems, of the species which are crossed. The differences being of
 2006.1761grafted far more readily on the quince, which is ranked as a distinct genus, than on
 2006.1817as a distinct genus, than on the apple, which is a member of the same genus. Even
 2014.44seen that the sterility of hybrids, which have their reproductive organs in an
 2014.182difficulty of uniting two pure species, which have their reproductive organs perfect
 2014.379found that three species of Robinia, which seeded freely on their own roots, and
 2014.423seeded freely on their own roots, and which could be grafted with no great
 2014.756case of Hippeastrum, Lobelia, &c., which seeded much more freely when fertilised
 2020.110laws governing the facility with which trees can be grafted on each other as
 2020.497been expected, systematic affinity, by which every kind of resemblance and
 2028.42regard to the sterility of hybrids, in which the sexual elements are imperfectly
 2028.179once alluded to a large body of facts, which I have collected, showing that when
 2032.1232they are extremely liable to vary, which is due, as I believe, to their
 2040.270increased sterility in those hybrids which occasionally and exceptionally resemble
 2048.217males and females of the same species which have varied and become slightly
 2048.504is crosses between males and females which have become widely or specifically
 2048.572specifically different, produce hybrids which are generally sterile in some degree. I
 2048.778by some common but unknown bond, which is essentially related to the principle
 2054.670pimpernel, the primrose and cowslip, which are considered by many of our best
 2056.346with European dogs, the explanation which will occur to everyone, and probably
 2056.723we reflect how many species there are, which, though resembling each other most
 2060.408the successive generations of hybrids, which were at first only slightly sterile
 2060.1233on the whole organisation, in any way which may be for each creature's own good
 2062.235sterility in the few following cases, which I will briefly abstract. The evidence
 2062.312is at least as good as that from which we believe [page] 270 HYBRIDISM. CHAP
 2068.56crossed three varieties of gourd, which like the maize has separated sexes, and
 2074.200coloured flowers, than between those which are differently coloured. Yet these
 2076.18seed of the other. From observations which I have made on certain varieties of
 2078.271He experimentised on five forms, which are commonly reputed to be varieties
 2078.319commonly reputed to be varieties, and which he tested by the severest trial, namely
 2078.605yielded hybrids not so sterile as those which were produced from the four other
 2084.224to me sufficient to overthrow the view which I have taken with respect to the very
 2084.493the reproductive systems of the forms which are crossed. Hybrids and Mongrels
 2088.206admits that hybrids from species which have long been cultivated are often
 2094.689it bears on and corroborates the view which I have taken on the cause of ordinary
 2094.1102excluding those long cultivated) which have not had their reproductive systems
 2102.45alone are the unimportant differences, which Gärtner is able to point out, between
 2108.30the female, so that the mule, which is the offspring of the male-ass and
 2108.119is more like an ass, than is the hinny, which is the offspring of the female-ass and
 2110.287with mongrels. Looking to the cases which I have collected of cross-bred animals
 2110.454almost monstrous in their nature, and which have suddenly appeared-such as albinism
 2110.604toes; and do not relate to characters which have been slowly acquired by selection
 2110.769be more likely to occur with mongrels, which are descended from varieties often
 2110.880in character, than with hybrids, which are descended from species slowly and
 2122.53of first crosses between pure species, which have their reproductive systems perfect
 2126.118the embryo. The sterility of hybrids, which have their reproductive systems
 2126.171reproductive systems imperfect, and which have had this system and their whole
 2126.321seems closely allied to that sterility which so frequently affects pure species
 2126.993of some kind between the species which are crossed. Nor is it surprising that
 2126.1329the systematic affinity of the forms which are subjected to experiment; for
 2143.55I enumerated the chief objections which might be justly urged against the views
 2143.930in lesser numbers than the forms which they connect, will generally be beaten
 2147.56process of natural selection, through which new varieties continually take the
 2147.277the number of intermediate varieties, which have formerly existed on the earth, be
 2147.568the most obvious and gravest objection which can be urged against my theory. The
 2149.647all the intermediate varieties which have ever existed, we should have an
 2165.524work on the Principles of Geology, which the future historian will recognise as
 2165.1218of the lapse of time, the monuments of which we see around us. It is good to wander
 2171.791a few miles any line of rocky cliff, which is undergoing degradation, we find that
 2173.130deeply impressed with the slowness with which rocky coasts are worn away. The
 2173.392many thousand feet in thickness, which, though probably formed at a quicker
 2173.526of worn and rounded pebbles, each of which bears the stamp of time, are good to
 2177.46result and measure of the degradation which the earth's crust has elsewhere
 2199.122miles. Some of these formations, which are represented in England by thin beds
 2199.439but an inadequate idea of the time which has elapsed during their accumulation
 2201.29slow. But the amount of denudation which the strata have in many places suffered
 2201.297when viewing volcanic islands, which have been [page] 285 CHAP. IX
 2205.346by faults,—those great cracks along which the strata have been upheaved on one
 2209.196a mere trifle, in comparison with that which has removed masses of our palæozoic
 2213.32IX. oneself the great dome of rocks which must have covered up the Weald within
 2213.426underlies the Weald, on the flanks of which the overlying sedimentary deposits
 2213.718district. If, then, we knew the rate at which the sea commonly wears away a line of
 2213.1743contain harder layers or nodules, which from long resisting attrition form a
 2219.210hand, during oscillations of level, which we know this area has undergone, the
 2221.287What an infinite number of generations, which the mind cannot grasp, must have
 2227.908in an unaltered condition. The remains which do become embedded, if in sand or
 2227.1093that but few of the very many animals which live on the beach between high and low
 2227.1394of a single Mediterranean species, which inhabits deep water and has been found
 2229.44respect to the terrestrial productions which lived during the Secondary and
 2235.750have suspected that during the periods which were blank and barren in his own
 2235.987can be formed of the length of time which has elapsed between the consecutive
 2241.260miles of the South American coasts, which have been upraised several hundred feet
 2241.467period. Along the whole west coast, which is inhabited by a peculiar marine fauna
 2247.34in profound depths of the sea, in which case, judging from the researches of E
 2247.246imperfect record of the forms of life which then existed; or, sediment may be
 2249.48that all our ancient formations, which are rich in fossils, have thus been
 2249.467on the west coast of South America, which has been bulky enough to resist such
 2249.553as it has as yet suffered, but which will hardly last to a distant
 2255.191been accumulated in the shallow parts, which are the most favourable to life. Still
 2255.348or, to speak more accurately, the beds which were then accumulated will have been
 2265.89varieties between the allied species which lived at its commencement and at its
 2265.514series of links between the species which then lived; but I can by no means
 2273.755of Europe during the Glacial period, which forms only a part of one whole
 2273.1343within that limit of depth at which marine animals can flourish; for we
 2279.571keep the depth approximately the same, which is necessary in order to enable the
 2285.142a formation give any idea of the time which its deposition has consumed. Many
 2285.316thousands of feet in thickness, and which must have required an enormous period
 2285.950level during the process of deposition, which would never even have been suspected
 2285.1693all the fine intermediate gradations which must on my theory have existed between
 2291.18GEOLOGICAL RECORD. no golden rule by which to distinguish species and varieties
 2293.397do find the kind of evidence of change which on my theory we ought to find. Moreover
 2299.710have seen that with plants it is those which have the widest range, that oftenest
 2299.839marine animals, it is probably those which have had the widest range, far
 2299.943known geological formations of Europe, which have oftenest given rise, first to
 2305.298inhabiting the shores of North America, which are ranked by some conchologists as
 2307.443most obvious of all the many objections which may be urged against my views. Hence it
 2307.749equals all the geological formations which have been examined with any accuracy
 2311.75if all the species were to be collected which have ever lived there, how imperfectly
 2313.160imperfect manner in the formations which we suppose to be there accumulating. I
 2313.273strictly littoral animals, or of those which lived on naked submarine rocks, would
 2315.315other by enormous intervals, during which the area would be either stationary or
 2323.188be chiefly these far-ranging species which would oftenest produce new varieties
 2325.175of those fine transitional forms, which on my theory assuredly have connected
 2329.285transitional links between the species which appeared at the commencement and close
 2331.81of Allied Species.—The abrupt manner in which whole groups of species suddenly appear
 2331.602development of a group of forms, all of which have descended from some one progenitor
 2331.1058world is, compared with the area over which our geological formations have been
 2331.1359for the enormous intervals of time, which have [page] 303 CHAP. IX. GEOLOGICAL
 2337.387to produce many divergent forms, which would be able to spread rapidly and
 2345.29period. I may give another instance, which from having passed under my own eyes
 2345.445fathoms; from the perfect manner in which specimens are preserved in the oldest
 2345.523tertiary beds; from the ease with which even a fragment of a valve can be
 2345.1193of an unmistakeable sessile cirripede, which he had himself extracted from the chalk
 2345.1392common, large, and ubiquitous genus, of which not one specimen has as yet been found
 2351.394that certain much older fishes, of which the affinities are as yet imperfectly
 2351.1584large and perfectly enclosed basin, in which any great group of marine animals might
 2357.226palæontological ideas on many points, which the discoveries of even the last dozen
 2359.135There is another and allied difficulty, which is much graver. I allude to the manner
 2359.183much graver. I allude to the manner in which numbers of species of the same group
 2359.306rocks. Most of the arguments which have convinced me that all the existing
 2359.578descended from some one crustacean, which must have lived long before the
 2359.634lived long before the Silurian age, and which probably differed greatly from any
 2359.923of all the species of the orders to which they belong, for they do not present
 2367.939of vast piles of fossiliferous strata, which on my theory no doubt were somewhere
 2371.48condition. But the descriptions which we now possess of the Silurian deposits
 2373.259From the nature of the organic remains, which do not appear to have inhabited
 2373.432of sediment, miles in thickness, of which the formations are composed, we may
 2373.877or as a submarine surface near land, on which sediment was not deposited, or again as
 2375.32sea. Looking to the existing oceans, which are thrice as extensive as the land, we
 2379.84upheaved by the oscillations of level, which we may fairly conclude must have
 2379.316extended from the remotest period of which we have any record; and on the other
 2379.1509for it might well happen that strata which had subsided some miles nearer to the
 2379.1578nearer to the centre of the earth, and which had been pressed on by an enormous
 2379.1712far more metamorphic action than strata which have always remained nearer to the
 2379.1866America, of bare metamorphic rocks, which [page] 310 IMPERFECTION OF THE CHAP
 2385.157links between the many species which now exist or have existed; the sudden
 2385.211or have existed; the sudden manner in which whole groups of species appear in our
 2389.113of the slowly-changing language, in which the history is supposed to be written
 2408.640quicker rate than those of the sea, of which a striking instance has lately been
 2408.1496so-called "colonies" of M. Barrande, which intrude for a period in the midst of an
 2412.810nature of the other inhabitants with which the varying species comes into
 2412.1806of organism to organism, that any form which does not become in some degree modified
 2416.175of time, become modified; for those which do not change will become extinct. In
 2428.170to give an explanation of this fact, which if true would have been fatal to my
 2432.180the successive geological formations in which the species are found, the line will
 2432.915being slowly converted into species, which in their turn produce by equally slow
 2438.329to determine the length of time during which any single species or any single genus
 2438.704taper more gradually at its upper end, which marks the progress of extermination
 2438.770extermination, than at its lower end, which marks the first appearance and increase
 2440.442Toxodon, and other extinct monsters, which all co-existed with still living shells
 2444.977what the unfavourable conditions were which checked its increase, whether some one
 2446.413progress of events with those animals which have [page] 320 GEOLOGICAL SUCCESSION
 2452.182having some advantage over those with which it comes into competition; and the
 2452.793the number of new specific forms which have been produced within a given time
 2452.885greater than that of the old forms which have been exterminated; but we know
 2454.116by examples, between the forms which are most like each other in all
 2458.794and it will generally be allied forms, which will suffer from some inherited
 2458.927to the same or to a distinct class, which yield their places to other species
 2458.969yield their places to other species which have been modified and improved, a few
 2464.346of the old inhabitants; and the forms which thus yield their places will commonly
 2466.39Thus, as it seems to me, the manner in which single species and whole groups of
 2466.317the many complex contingencies, on which the existence of each species depends
 2472.545sculpture. Moreover other forms, which are not found in the Chalk of Europe
 2472.593not found in the Chalk of Europe, but which occur in the formations either above or
 2472.1003Even if the few fossil species which are common to the Old and New Worlds be
 2480.285sense; for if all the marine animals which live at the present day in Europe, and
 2480.868are more closely related to those which lived in Europe during certain later
 2480.942later tertiary stages, than to those which now live here; and if this be so, it is
 2480.1495and from not including those forms which are only found in the older underlying
 2486.504temporary, but depend on general laws which govern the whole animal kingdom." M
 2488.185are formed by new varieties arising, which have some advantage over older forms
 2488.246over older forms; and those forms, which are already dominant, or have some
 2488.570evidence on this head, in the plants which are dominant, that is, which are
 2488.599the plants which are dominant, that is, which are commonest in their own homes, and
 2492.42varying, and far-spreading species, which already have invaded to a certain
 2492.139of other species, should be those which would have the best chance of spreading
 2500.487and producing new species. The forms which are beaten and which yield their places
 2500.508species. The forms which are beaten and which yield their places to the new and
 2522.222must be restricted to those groups which have undergone much change in the
 2528.1059tendency to divergence of character, which was formerly illustrated by this
 2534.248sub-families and families, some of which are supposed to have perished at
 2536.602objected to call the extinct genera, which thus linked the living genera of three
 2542.543right to expect, is that those groups, which have within known geological periods
 2550.42in general character between that which preceded and that which succeeded it
 2550.66between that which preceded and that which succeeded it. Thus, the species which
 2550.104which succeeded it. Thus, the species which lived at the sixth great stage of
 2550.203are the modified offspring of those which lived at the fifth stage, and are the
 2550.264stage, and are the parents of those which became still more modified at the
 2550.878one instance, namely, the manner in which the fossils of the Devonian system
 2552.521or the most recent; nor are those which are intermediate in character
 2556.872have become extinct; and carriers which are extreme in the important character
 2556.982earlier than short-beaked tumblers, which are at the opposite end of the series
 2562.373climate during the pleistocene period, which includes the whole glacial period, and
 2564.477varieties between the species which appeared at the commencement and close
 2570.917From the extraordinary manner in which European productions have recently
 2570.1009New Zealand, and have seized on places which must have been previously occupied, we
 2576.438least in regard to subordinate groups, which have branched off from each other
 2578.652strata are discovered-a discovery of which the chance is very small. On the
 2596.379Brazil, there are many extinct species which are closely allied in size and in other
 2596.1112died out and have left no progeny. Or, which would probably be a far commoner case
 2602.240the incalculable number of generations which must have passed away even during a
 2602.1031that widely ranging species are those which have varied most, and have oftenest
 2604.171are the numberless transitional links which must formerly have connected the
 2604.361in the enormous intervals of time which have elapsed between our consecutive
 2608.319of those infinitely numerous organisms which must have existed long before the first
 2616.67of the dominant forms of life, which are those that oftenest vary, will in
 2616.270the places of those groups of species which are their inferiors in the struggle for
 2637.99face of the globe, the first great fact which strikes us is, that neither the
 2637.1022a climate or condition in the Old World which cannot be paralleled in the New-at
 2643.403of lat. 35º with those north of 25º, which consequently inhabit a considerably
 2645.20of the sea. A second great fact which strikes us in our general review is
 2657.414fails to be struck by the manner in which successive groups of beings
 2663.59is simply inheritance, that cause which alone, as far as we positively know
 2663.1044species, abounding in individuals, which have already triumphed over many
 2669.394If, for instance, a number of species, which stand in direct competition with each
 2671.265In the case of those species, which have undergone during whole geological
 2671.489vast geographical and climatal changes which will have supervened since ancient
 2671.609possible. But in many other cases, in which we have reason to believe that the
 2677.36We are thus brought to the question which has been largely discussed by
 2681.462The great and striking influence which barriers of every kind have had on
 2681.912most natural genera, or those genera in which the species are most closely related to
 2683.327Undoubtedly many cases occur, in which we cannot explain how the same species
 2683.462the geographical and climatal changes, which have certainly occurred within recent
 2689.168several distinct species of a genus, which on my theory have all descended from a
 2689.428invariably the case, that a region, of which most of its inhabitants are closely
 2693.928an ingenious paper by Mr. Wallace, in which he concludes, that "every species has
 2695.339created. With those organic beings which never intercross (if such exist), the
 2695.467a succession of improved varieties, which will never have blended with other
 2699.74of cases, namely, with all organisms which habitually unite for each birth, or
 2699.116habitually unite for each birth, or which often intercross, I believe that during
 2701.46discussing the three classes of facts, which I have selected as presenting the
 2707.497that scarcely a single island exists which has not recently been united to some
 2707.1168islands, now buried beneath the sea, which may have served as halting places for
 2707.1780within the recent period continents which are now quite separate, have been
 2713.68what are called accidental means, but which more properly might be called
 2717.733The majority sank quickly, but some which whilst green floated for a very short
 2723.339fruits and likewise seeds from plants which live near the sea; and this would have
 2729.889some taken out of the crop of a pigeon, which had floated on artificial salt-water
 2731.714these seemed perfect, and some of them, which I tried, germinated. But the following
 2735.709to twenty hours, disgorge pellets, which, as I know from experiments made in the
 2741.222for a moment on the millions of quails which annually cross the Mediterranean; and
 2743.953fragments of granite and other rocks, which do not occur in the archipelago. Hence
 2745.85and that several other means, which without doubt remain to be discovered
 2749.1464namely, in dirt sticking to their feet, which is in itself a rare accident. Even in
 2753.755birds living there, nearly every seed, which chanced to arrive, would be sure to
 2759.94vivid attention to the Glacial period, which, as we shall immediately see, affords a
 2759.569boulders, of the icy streams with which their valleys were lately filled. So
 2761.672they were stopped by barriers, in which case they would perish. The mountains
 2765.265the present circumpolar inhabitants, which we suppose to have everywhere travelled
 2767.461returned, the same arctic species, which had lately lived in a body together on
 2781.247mingled with ancient Alpine species, which must have existed on the mountains
 2781.338commencement of the Glacial epoch, and which during its coldest period will have
 2793.308America and Europe,—a relationship which is most remarkable, considering the
 2795.94as soon as the species in common, which inhabited the New and Old Worlds
 2799.147find in every great class many forms, which some naturalists rank as geographical
 2799.283closely allied or representative forms which are ranked by all naturalists as
 2801.90southern migration of a marine fauna, which during the Pliocene or even a somewhat
 2809.665tell the same story. If one account which has been published can be trusted, we
 2819.672European genera were found by Gardner, which do not exist in the wide intervening
 2823.356European forms are found, which have not been discovered in the
 2843.95the damp with the heat of the tropics which is so destructive to perennial plants
 2843.608to Europe still exist in North America, which must have lain on the line of march
 2845.391exterminated on the lowlands; those which had not reached the equator, would re
 2849.40homes; but the forms, chiefly northern, which had crossed the equator, would travel
 2849.442different with those intruding forms which settled themselves on the intertropical
 2857.141and affinities of the allied species which live in the northern and southern
 2869.1100fastnesses of almost every land, which serve as a record, full of interest to
 2886.1040sides of continuous mountain-ranges, which from an early period must have parted
 2886.1299world, no doubt there are many cases which cannot at present be explained: but
 2892.79a very wide range, and allied species, which, on my theory, are descended from a
 2892.500the same country. But two facts, which I have observed—and no doubt many
 2892.979effectual: I suspended a duck's feet, which might represent those of a bird
 2898.274in large groups of terrestrial plants, which have only a very few aquatic members
 2898.597feet and beaks of birds. Wading birds, which frequent the muddy edges of ponds, if
 2910.1436more especially by fresh-water birds, which have large powers of flight, and
 2912.94the last of the three classes of facts, which I [page] 389 CHAP. XII. OCEANIC
 2916.425s view on continental extensions, which, if legitimately followed out, would
 2916.839but shall consider some other facts, which bear on the truth of the two theories
 2918.25modification. The species of all kinds which inhabit oceanic islands are few in
 2922.110and on every other oceanic island which can be named. In St. Helena there is
 2924.987seems to depend on the species which do not become modified having
 2928.100land-birds. Bermuda, on the other hand, which lies at about the same distance from
 2928.209Islands do from South America, and which has a very peculiar soil, does not
 2928.708and Madeira have been stocked by birds, which for long ages have struggled together
 2936.779trees or bushes belonging to orders which elsewhere include only herbaceous
 2942.145found on any of the many islands with which the great oceans are studded. I have
 2944.440equally barren. The Falkland Islands, which are inhabited by a wolf-like fox, come
 2948.285and hardly an island can be named on which our smaller quadrupeds have not become
 2948.564as shown by the stupendous degradation which they have suffered and by their
 2954.478regard to the great Malay Archipelago, which is traversed near Celebes by a space of
 2962.326having existed as halting-places, of which not a wreck now remains, must not be
 2972.761this be so? why should the species which are supposed to have been created in
 2972.1050or climate, or in the proportions in which the several classes are associated
 2972.1101classes are associated together, which resembles closely the conditions of the
 2978.814also plainly related to South America, which, although the next nearest continent
 2978.1247of the Glacial period. The affinity, which, though feeble, I am assured by Dr
 2980.8doubt, be some day explained. The law which causes the inhabitants of an archi
 2984.1436nature of the other inhabitants, with which each has to compete, is at least as
 2984.1609of the Galapagos Archipelago which are found in other parts of the world
 2984.1709for the moment the endemic species, which cannot be here fairly included, as we
 2994.809but we should remember that the forms which become naturalised in new countries are
 2994.1355Island to be blown to Charles Island, which has its own mocking-thrush: why should
 2998.74but representative land-shells, some of which live in crevices of stone; and although
 2998.352colonised by some European land-shells, which no doubt had some advantage over the
 2998.519the endemic and representative species, which inhabit the several islands of the
 3000.14birds, and plants. The principle which determines the general character of the
 3004.844occur, there will be found many forms which some naturalists rank as distinct
 3006.345long ago, that in those genera of birds which range over the world, many of the
 3006.734with most fresh-water productions, in which so many genera range over the world
 3010.176very widely; for the facility with which widely-ranging species vary and give
 3010.604Still less is it meant, that a species which apparently has the capacity of crossing
 3016.570probably accounts for a law which has long been observed, and which has
 3016.604a law which has long been observed, and which has lately been admirably discussed by
 3018.429close relation of the distinct species which inhabit the islets of the same
 3024.53climate and of the level of the land, which have certainly occurred within the
 3024.138period, and of other similar changes which may have occurred within the same
 3024.310of occasional transport,—a subject which has hardly ever been properly
 3024.704And we are led to this conclusion, which has been arrived at by many naturalists
 3026.56the distinct species of the same genus, which on my theory must have spread from one
 3028.157influence of the modern Glacial period, which I am fully convinced simultaneously
 3032.507of barriers, whether of land or water, which separate our several zoological and
 3032.912likewise linked to the extinct beings which formerly inhabited the same continent
 3032.1217for according to the length of time which has elapsed since new inhabitants
 3032.1322to the nature of the communication which allowed certain forms and not others to
 3032.1439numbers; according or not, as those which entered happened to come in more or
 3044.94in an intermediate deposit the forms which are therein absent, but which occur
 3044.124the forms which are therein absent, but which occur above and below: so in space, it
 3044.305is continuous; and the exceptions, which are not rare, may, as I have attempted
 3044.1375whether we look to the forms of life which have changed during successive ages
 3044.1467same quarter of the world, or to those which have changed after having migrated into
 3057.820species belonging to the larger genera, which vary most. The varieties, or incipient
 3061.33XIII. species. Consequently the groups which are now large, and which generally
 3061.58the groups which are now large, and which generally include many dominant species
 3061.463great diversity of the forms of life which, in any small area, come into the
 3063.72is a constant tendency in the forms which are increasing in number and diverging
 3063.943the next two genera on the right hand, which diverged from a common parent at the
 3063.1170genera still further to the right hand, which diverged at a still earlier period. And
 3067.314the subordination of group under group, which, from its familiarity, does not always
 3069.235arranging together those living objects which are most alike, and for separating
 3069.282most alike, and for separating those which are most unlike; or as an artificial
 3069.1064as that famous one of Linnæus, and which we often meet with in a more or less
 3073.8CLASSIFICATION. CHAP. XIII. cation, which is partially revealed to us by our
 3075.79in classification, and the difficulties which are encountered on the view that
 3075.388that those parts of the structure which determined the habits of life, and the
 3075.1167The generative organs being those which are most remotely related to the habits
 3075.1505it is that the organs of vegetation, on which their whole life depends, are of little
 3081.302the classificatory importance of organs which are important is generally, but by no
 3081.795the one fact, that in allied groups, in which the same organ, as we have every reason
 3089.67given of characters derived from parts which must be considered of very trifling
 3089.139trifling physiological importance, but which are universally admitted as highly
 3089.352the only character, according to Owen, which absolutely distinguishes fishes and
 3089.471of the jaws in Marsupials-the manner in which the wings of insects are folded-mere
 3095.1637me well to illustrate the spirit with which our classifications are sometimes
 3101.71physiological value of the characters which they use in defining a group, or in
 3103.334this purpose than that of the adult, which alone plays its full part in the
 3103.679holds good with flowering plants, of which the two main divisions have been
 3109.297at the opposite ends of the series, which have hardly a character in common; yet
 3117.216with modification; that the characters which naturalists consider as showing true
 3117.311any two or more species, are those which have been inherited from a common
 3117.461community of descent is the hidden bond which naturalists have been unconsciously
 3119.425the different degrees of modification which they have undergone; and this is
 3119.744A to L to represent allied genera, which lived during the Silurian epoch, and
 3119.823and these have descended from a species which existed at an unknown anterior period
 3127.452on a flat surface, the affinities which we discover in nature amongst the
 3127.536of the same group. Thus, on the view which I hold, the natural system is
 3127.654but the degrees of modification which the different groups have undergone
 3135.80at the classification of varieties, which are believed or known to have descended
 3135.1600would keep the forms together which were allied in the greatest number of
 3141.674alternate generations of Steenstrup, which can only in a technical sense be
 3141.1117Monochanthus, Myanthus, and Catasetum), which had previously been ranked as three
 3147.215it has been used in classing varieties which have undergone a certain, and sometimes
 3147.647understand the several rules and guides which have been followed by our best
 3147.835Therefore we choose those characters which, as far as we can judge, are the least
 3147.950relation to the conditions of life to which each species has been recently exposed
 3151.110of the angle of the jaw, the manner in which an insect's wing is folded, whether the
 3153.627of high physiological importance—those which serve to preserve life under the most
 3159.334anterior limbs, between the dugong, which is a pachydermatous animal, and the
 3159.802hardly more fanciful than the analogies which have been drawn by some authors between
 3167.113genera, tend to inherit the advantages, which made the groups to which they belong
 3167.138advantages, which made the groups to which they belong large and their parents
 3173.583must be the number of connecting forms which on my theory have been exterminated and
 3173.864very distinct from each other, which again implies extinction. The genera
 3179.261to Marsupials; but in the points in which it approaches this order, its relations
 3179.658off from some very ancient Marsupial, which will have had a character in some
 3185.162complex and radiating affinities by which all the members of the same family or
 3185.913understand the extraordinary difficulty which naturalists have experienced in
 3185.1016of a diagram, the various affinities which they perceive between the many living
 3187.375of life have been utterly lost, through which the early progenitors of birds were
 3187.555entire extinction of the forms of life which once connected fishes with batrachians
 3191.139no means made them; for if every form which has ever lived on this earth were
 3191.260quite impossible to give definitions by which each group could be distinguished from
 3191.617eleven Silurian genera, some of which have produced large groups of modified
 3191.1006impossible to give any definition by which the several members of the several
 3191.1808collecting all the forms in any class which have lived throughout all time and
 3195.250can separate and define the groups to which such types belong. Finally, we have
 3197.46we have seen that natural selection, which results from the struggle for existence
 3197.97from the struggle for existence, and which almost inevitably induces extinction
 3197.679descent is the hidden bond of connexion which naturalists have sought under the term
 3197.1016c., we can understand the rules which we are compelled to follow in our
 3215.554or multiplication of others,—variations which we know to be within the limits of
 3217.1063animals, and in flowers, that organs, which when mature [page] 437 CHAP. XIII
 3223.546purposes? Why should one crustacean, which has an extremely complex mouth formed
 3237.126a crab retaining numerous characters, which they would probably have retained
 3239.89that certain organs in the individual, which when mature become widely different and
 3241.28The points of structure, in which the embryos of widely different animals
 3245.217similar conditions,—in the young mammal which is nourished in the womb of its mother
 3245.286of its mother, in the egg of the bird which is hatched in a nest, and in the spawn
 3245.722or are related to the conditions to which they are exposed. The case, however
 3247.1043the pedunculated and sessile, which differ widely in external appearance
 3251.592eye, and a probosciformed mouth, with which they feed largely, for they increase
 3251.1061powers of swimming, a proper place on which to become attached and to undergo their
 3251.1781for the male is a mere sack, which lives for a short time, and is
 3257.204parts in the same indivividual embryo, which ultimately become very unlike and serve
 3261.168than the mature animal, into which it is developed. I believe that all
 3263.928been affected by the conditions to which either parent, or their ancestors, have
 3263.1144in life; as when an hereditary disease, which appears in old age alone, has been
 3267.90not signify, for instance, to a bird which obtained its food best by having a long
 3267.337the many successive modifications, by which each species has acquired its present
 3269.448But further than this, variations which, for all that we can see, might have
 3269.737taking the word in the largest sense) which have supervened at an earlier age in
 3283.486that the characteristic differences which give value to each breed, and which
 3283.522which give value to each breed, and which have been accumulated by man's
 3283.751the case of the short-faced tumbler, which when twelve hours old had acquired its
 3285.262from some one parent-species, and of which the several new species have become
 3289.272classes. The fore-limbs, for instance, which served as legs in the parent-species
 3289.1216will mainly affect the mature animal, which has come to its full powers of activity
 3291.83might supervene, from causes of which we are wholly ignorant, at a very early
 3291.211at an earlier period than that at which it first appeared. In either case (as
 3295.1678become fitted for sites or habits, in which organs of locomotion or of the senses
 3297.47the organic beings, extinct and recent, which [page] 449 CHAP. XIII. EMBRYOLOGY
 3301.285on my view the hidden bond of connexion which naturalists have been seeking under the
 3301.1713be proved true in those cases alone in which the ancient state, now supposed to be
 3305.104at an earlier period than that at which they first appeared. It should also be
 3307.58to me, the leading facts in embryology, which are second in importance to none in
 3309.575the presence of teeth in fœtal whales, which when grown up have not a tooth in their
 3309.655their heads; and the presence of teeth, which never cut through the gums, in the
 3315.203most closely in all respects, one of which will have full-sized wings, and another
 3321.65in some Compositæ, the male florets, which of course cannot be fecundated, have a
 3321.118cannot be fecundated, have a pistil, which is in a rudimentary state, for it is
 3323.181closely allied species, the degree to which the same organ has been rendered
 3323.479animal or plant no trace of an organ, which analogy would lead us to expect to find
 3323.530would lead us to expect to find, and which is occasionally found in monstrous
 3331.167for the same reasoning power which tells us plainly that most parts and
 3331.1020can we suppose that the minute papilla, which often represents the pistil in male
 3331.1075the pistil in male flowers, and which is formed merely of cellular tissue
 3331.1187that the formation of rudimentary teeth which are subsequently absorbed, can be of
 3337.1001of birds inhabiting oceanic islands, which have seldom been forced to take flight
 3339.24rudimentary. Any change in function, which can be effected by insensibly small
 3343.958explained in a former chapter, by which the materials forming any part or
 3345.101in every part of the organisation, which has long existed, to be inherited—we
 3345.491useless in the pronunciation, but which serve as a clue in seeking for its
 3351.170that the nature of the relationship, by which all living and extinct beings are
 3351.766of the common parentage of those forms which are considered by naturalists as allied
 3359.300embryo of the homologous parts, which when matured will become widely
 3359.578as possible. Larvæ are active embryos, which have become specially modified in
 3361.38Finally, the several classes of facts which have been considered in this chapter
 3361.192and families of organic beings, with which this world is [page] 458 SUMMARY. CHAP
 3378.701perfection of any organ or instinct, which we may consider, either do now exist or
 3384.78of species when first crossed, which forms so remarkable a contrast with the
 3384.277given at the end of the eighth chapter, which seem to me conclusively to show that
 3390.10CHAP. XIV. RECAPITULATION. varieties which have been experimentised on have been
 3398.641climatal and geographical changes which have affected the earth during modern
 3404.101supplanted form. Even on a wide area, which has during a long period remained
 3404.160long period remained continuous, and of which the climate and other conditions of
 3404.611shown that the intermediate varieties which will at first probably exist in the
 3404.882rate than the intermediate varieties, which exist in lesser numbers; so that the
 3406.489and forcible of the many objections which may be urged against my theory. Why
 3412.473generations of countless species which certainly have existed. We should not
 3412.904existing doubtful forms could be named which are probably varieties; but who will
 3418.250but that it is imperfect to the degree which I require, few will be inclined to
 3418.435and they have changed in the manner which my theory requires, for they have
 3420.65chief objections and difficulties which may justly be urged against my theory
 3420.176the answers and explanations which can be given to them. I have felt these
 3424.110objections relate to questions on which we are confessedly ignorant; nor do we
 3426.793reason to believe that a modification, which has already been inherited for many
 3434.46is no obvious reason why the principles which have acted so efficiently under
 3434.396the high geometrical ratio of increase which is common to all organic beings. This
 3434.704A grain in the balance will determine which individual shall live and which shall
 3434.736which individual shall live and which shall die,—which variety or species
 3434.753shall live and which shall die,—which variety or species shall increase in
 3434.808species shall increase in number, and which shall decrease, or finally become
 3438.469or during any season, over those with which it comes into competition, or better
 3440.164The most vigorous individuals, or those which have most successfully struggled with
 3446.42admitted the existence of varieties, which they think sufficiently distinct to be
 3446.341how naturalists differ in the rank which they assign to the many representative
 3450.287special acts of creation, and varieties which are acknowledged to have been produced
 3454.347the species of the larger genera, which afford the greater number of varieties
 3454.722in little groups round other species—in which respects they resemble varieties. These
 3460.531groups, all within a few great classes, which we now see everywhere around us, and
 3460.574we now see everywhere around us, and which has prevailed throughout all time. This
 3462.232the canon of "Natura non facit saltum," which every fresh addition to our knowledge
 3464.207on the ground; that upland geese, which never or rarely swim, should have been
 3472.104as far as we can see, with the laws which have governed the production of so
 3476.63instance, at the logger-headed duck, which has wings incapable of flight, in
 3476.197when we look at the burrowing tucutucu, which is occasionally blind, and then at
 3476.253blind, and then at certain moles, which are habitually blind and have their
 3478.120the specific characters, or those by which the species of the same genus differ
 3478.228variable than the generic characters in which they all agree? Why, for instance
 3478.570are only well-marked varieties, of which the characters have become in a high
 3478.764progenitor in certain characters, by which they have come to be specifically
 3482.106be variable than the generic characters which have been inherited without change for
 3484.614we see, in the case of neuter insects, which leave no progeny to inherit the effects
 3492.387species and of whole groups of species, which has played so conspicuous a part in the
 3496.363of common parents. As the groups which have descended from an ancient
 3502.80the full meaning of the wonderful fact, which must have struck every traveller
 3504.205We can clearly see why those animals which cannot cross wide spaces of ocean, as
 3504.378hand, new and peculiar species of bats, which can traverse the ocean, should so often
 3516.358is a genealogical arrangement, in which we have to discover the lines of
 3518.594modification of parts or organs, which were alike in the early progenitor of
 3518.1089running in loops, like those in a fish which has to breathe the air dissolved in
 3524.441for instance, has inherited teeth, which never cut through the gums of the upper
 3524.1390structures, her scheme of modification, which it seems that we wilfully will not
 3526.60the chief facts and considerations which have thoroughly convinced me that
 3532.182slow in admitting any great change of which we do not see the intermediate steps
 3538.805only thus can the load of prejudice by which this subject is overwhelmed be removed
 3540.301They admit that a multitude of forms, which till lately they themselves thought
 3540.371thought were special creations, and which are still thus looked at by the
 3540.438at by the majority of naturalists, and which consequently have every external
 3540.731they can define, or even conjecture, which are the created forms of life, and
 3540.772are the created forms of life, and which are those produced by secondary laws
 3546.155because the more distinct the forms are which we may consider, by so much the
 3552.636that probably all the organic beings which have ever lived on this earth have
 3552.723from some one primordial form, into which life was first breathed. When the
 3560.484every production of nature as one which has had a history; when we contemplate
 3566.860genealogies, by characters of any kind which have long been inherited. Rudimentary
 3566.1016Species and groups of species, which are called aberrant, and which may
 3566.1047species, which are called aberrant, and which may fancifully be called living fossils
 3572.141means of migration, then, by the light which geology now throws, and will continue
 3574.704contemporaneous two formations, which include few identical species, by the
 3574.1001of all causes of organic change is one which is almost independent of altered and
 3578.967of time, compared with the ages which have elapsed since the first creature
 3582.504lineal descendants of some few beings which lived long before the [page] 489 CHAP
 3586.333far distant futurity; for the manner in which all organic beings are grouped, shows
 3586.687to the larger and dominant groups, which will ultimately prevail and procreate
 3586.825are the lineal descendants of those which lived long before the Silurian epoch
 3588.483Growth with Reproduction; Inheritance which is almost implied by reproduction
 3592.302and death, the most exalted object which we are capable of conceiving, namely
 4830.71Being those Portions of the above work which relate to the BRITISH CONSTITUTION and
 4962.37Military Operations in Kaffraria, which led to the Termination of the Kaffir
 5120.68a Selection from the LITERARY PAPERS which have appeared in that Journal. 7th
 5588.83with Remarks on its Antiquities; to which is added, the Demi of Attica. Second
 5860.160Present State of every Title of Peerage which has existed in this Country since the
 5884.81Angler, and the Miseries of Fishing. To which is added, Maxims and Hints for a Chess
 5932.41S (JAMES) Insect Architecture. To which are added Chapters on the Ravages, the
 5954.42A Memoir of the Remarkable Events which attended the Accession of the Emperor
6  while 
 319.130and diversified. It is well worth while carefully to study the several
 1070.12new sub-genera and genera. It is worth while to reflect for a moment on the
 2307.503my views. Hence it will be worth while to sum up the foregoing remarks, under
 3129.16orders, and classes. It may be worth while to illustrate this view of
 5225.190Including his DIARY OF POLITICAL EVENTS while First Lord of the Treasury. Edited
 6014.99GRENVILLE'S DIARY OF POLITICAL EVENTS, while First Lord of the Treasury. Edited
26  whilst 
 337.846is, to lose their acquired characters, whilst kept under unchanged conditions, and
 337.890kept under unchanged conditions, and whilst kept in a considerable body, so that
 576.113attain the rank of species. They may whilst in this incipient state become extinct
 741.1459the growth of the young seedling, whilst struggling with other plants growing
 878.1371I raised plenty of seedlings; and whilst another species of Lobelia growing
 1237.1305of things may be of almost any shape; whilst a tool for some particular object had
 1249.455attended to Mr. Waterhouse's remark, whilst investigating this Order, and I am
 1398.327on the shallow bed of the sea, whilst it slowly subsides. These contingencies
 1398.436and after enormously long intervals. Whilst the bed of the sea is stationary or is
 1626.204function, the one having been perfected whilst aided by the other, must often have
 1795.93there is any difficulty in the bees, whilst at work on the two sides of a strip of
 2157.300for a very long period unaltered, whilst its descendants had undergone a vast
 2279.866derived, and thus diminish the supply whilst the downward movement continues. In
 2315.368would be either stationary or rising; whilst rising, each fossiliferous formation
 2418.265sediment having been deposited on areas whilst subsiding, our formations have been
 2576.787at a corresponding age. This process, whilst it leaves the embryo almost unaltered
 2717.739majority sank quickly, but some which whilst green floated for a very short time
 2753.552the long lapse of geological time, whilst an island was being upheaved and formed
 2767.333and higher, as the warmth increased, whilst their brethren were pursuing their
 2787.375period, before the Glacial epoch, and whilst the majority of the inhabitants of the
 2904.1195the seeds might be dropped by the bird whilst feeding its young, in the same way as
 3038.524should be absent from oceanic islands, whilst the most isolated islands possess their
 3044.959find that some organisms differ little, whilst others belonging to a different class
 3129.559had given rise to few new languages, whilst others (owing to the spreading and
 3578.248remain for a long period unchanged, whilst within this same period, several of
 3592.539into a few forms or into one; and that, whilst this planet has gone cycling on
1  whimsical 
 313.580Some instances of correlation are quite whimsical: thus [page] 12 VARIATION. cats with
1  whirling 
 816.1092described as fighting, bellowing, and whirling round, like Indians in a war-dance, for
1  whirlwinds 
 2886.390of the live fish not rarely dropped by whirlwinds in India, and the vitality of their ova
20  white 
 317.223collected by Heusinger, it appears that white sheep and pigs are differently affected
 399.123pigeon is of a slaty-blue, and has a white rump (the Indian sub-species, C
 399.300outer feathers externally edged with white; the wings have two black bars; some
 399.662birds, all the above marks, even to the white edging of the outer tail-feathers
 399.990for instance, I crossed some uniformly white fantails with some uniformly black
 399.1150and one grandchild of the pure white fantail and pure black barb was of as
 399.1228of as beautiful a blue colour, with the white rump, double black wing-bar, and barred
 792.285mottled-grey; the alpine ptarmigan white in winter, the red-grouse the colour of
 796.54persons are warned not to keep white pigeons, as being the most liable to
 796.485how essential it is in a flock of white sheep to destroy every lamb with the
 1299.154with two black bars on the wings, a white [page] 160 LAWS OF VARIATION. CHAP. V
 1303.99externally edged near their bases with white. As all these marks are characteristic
 1323.624very variable in length and outline. A white ass, but not an albino, has been
 1689.1092he points to aid his master, than the white butterfly knows why she lays her eggs
 2070.279as Gärtner: namely, that yellow and white varieties of the same species of
 2074.11FERTILITY OF MONGRELS. yellow and white varieties of one species are crossed
 2074.70one species are crossed with yellow and white varieties of a distinct species, more
 2755.594more remarkable, that the plants on the White Mountains, in the United States of
 4022.45Sir R., on peacocks, 89. Heusinger on white animals not poisoned by certain plants
 4568.26fossil, 303. Wheat, varieties of, 113. White Mountains, flora of, 365. Wings
1  white-edged 
 399.1278double black wing-bar, and barred and white-edged tail-feathers, as any wild rock-pigeon
1  whitefriars 
 6154.30s. each. BRADBURY AND EVANS, PRINTERS, WHITEFRIARS. [page break] [page break] [inside
1  whitwell 
 4632.67with a New Life and Notes. By Rev. WHITWELL ELWIN. 4 Vols. 8vo. In Preparation
1  whoever 
 3538.644of the question with impartiality. Whoever is led to believe that species are
140  whole 
 264.78the doctrine of Malthus, applied to the whole animal and vegetable kingdoms. As many
 270.28brief recapitulation of the whole work, and a few concluding remarks. No
 311.296of the leg more, in proportion to the whole skeleton, than do the same bones in the
 319.438differ slightly from each other. The whole organisation seems to have become
 325.818Perhaps the correct way of viewing the whole subject, would be, to look at the
 359.4may not have existed in Egypt? The whole subject must, I think, remain vague
 365.1078in the case of the domestic dogs of the whole world, which I fully admit have
 395.363we may look in vain throughout the whole great family of Columbidæ for a beak
 399.538together in any other species of the whole family. Now, in every one of the
 463.64selection, and by careful training, the whole body of English racehorses have come to
 582.802are fairly well established. The whole subject, however, treated as it
 645.731in the mind, I am convinced that the whole economy of nature, with every fact on
 653.766applied with manifold force to the whole animal and vegetable kingdoms; for in
 661.701which have become common throughout whole islands in a period of less than ten
 673.14RATE OF INCREASE. III. conditions, a whole district, let it be ever so large. The
 693.378we are tempted to attribute the whole effect to its direct action. But this
 719.967I have very little doubt, that if the whole genus of humble-bees became [page
 766.511it may be truly said that the whole organisation becomes in some degree
 784.376of constitutional difference, on the whole machinery of life. Man selects only for
 788.212with those accumulated by nature during whole geological periods. Can we wonder, then
 810.549structure used only once in an animal's whole life, if of high importance to it
 846.1839stamens alone in one flower or on one whole plant, and pistils alone in [page
 856.55visited by humble-bees alone; so that whole fields of the red clover offer in vain
 898.215closely with each other in almost their whole organisation, yet are not rarely, some
 930.110the production of new species, on the whole I am inclined to believe that largeness
 1048.928So it probably will be with many whole collateral lines of descent, which will
 1104.1322of various sizes may represent those whole orders, families, and genera which have
 1191.7appeared to be than others. On the whole, I think we may conclude that habit
 1197.58I mean by this expression that the whole organisation is so tied together during
 1197.583the early embryo, seriously affects the whole organisation of the adult. The several
 1219.88growth, structures which are common to whole groups of species, and which in truth
 1219.405having been transmitted to a whole group of descendants with diverse
 1219.603correlations, occurring throughout whole orders, are entirely due to the manner
 1231.875and protected Proteolepas, the whole anterior part of the head is reduced to
 1245.1094not here apply, because there is a whole group of bats having wings; it would
 1257.484domestic animals, if any part, or the whole animal, be neglected and no selection
 1257.602the comb in the Dorking fowl) or the whole breed will cease to have a nearly
 1293.479may be developed, if it be common to a whole group of species;—that the great
 1357.1073variable than those which have their whole organisation more specialised, and are
 1357.1758that the same principle applies to the whole individual; for in a district where
 1536.186These cirripedes have no branchiæ, the whole surface of the body and sack, including
 1560.62are much too ignorant in regard to the whole economy of any one organic being, to
 1598.363by each part, each will be found on the whole advantageous. After the lapse of time
 1606.448the insect's own death: for if on the whole the power of stinging be useful to the
 1649.328a difficulty sufficient to overthrow my whole theory. I must premise, that I have
 1695.286a cross with a greyhound has given to a whole family of shepherd-dogs a tendency to
 1701.451I presume that we must attribute the whole of the inherited change from extreme
 1801.640deepen each cell. They do not make the whole three-sided pyramidal base of any one
 1837.321insuperable, and actually fatal to my whole theory. I allude to the neuters or
 1950.908namely Mr. Blyth and Capt. Hutton, that whole flocks of these crossed geese are kept
 1986.527of any recognisable difference in their whole organisation. On the other hand, these
 2032.510extent with systematic affinity, for whole groups of animals and plants are
 2032.605by the same unnatural conditions; and whole groups of species tend to produce
 2060.1202during vast periods of time on the whole organisation, in any way which may be
 2110.951slowly and naturally produced. On the whole I entirely agree with Dr. Prosper Lucas
 2126.208which have had this system and their whole organisation disturbed by being
 2155.272The common parent will have had in its whole organisation much general resemblance
 2213.1197yard in height to be eaten back along a whole line of coast at the rate of one yard
 2213.1642degradation at the same time along its whole indented length; and we must remember
 2217.32of one inch per century for the whole length would be an ample allowance. At
 2221.168During each of these years, over the whole world, the land and the water has been
 2227.378is being deposited over nearly the whole bed of the sea, at a rate sufficiently
 2241.449a short geological period. Along the whole west coast, which is inhabited by a
 2261.95that the geological record, viewed as a whole, is extremely imperfect; but if we
 2273.786period, which forms only a part of one whole geological period; and likewise to
 2273.1155within the same area during the whole of this period. It is not, for instance
 2273.1250that sediment was deposited during the whole of the glacial period near the mouth of
 2279.404live on the same area throughout this whole time. But we have seen that a thick
 2281.53that each separate formation, like the whole pile of formations in any country, has
 2285.1387not lived on the same spot during the whole period of deposition, but have
 2311.0IMPERFECTION OF THE CHAP. IX. whole world in organic beings; yet if all the
 2317.86one great period of subsidence over the whole or part of the archipelago, together
 2331.28my theory. On the sudden appearance of whole groups of Allied Species.—The abrupt
 2331.87Species.—The abrupt manner in which whole groups of species suddenly appear in
 2339.117we are to error in supposing that whole groups of species have suddenly been
 2351.97the apparently sudden appearance of a whole group of species, is that of the
 2351.496teleostean. Assuming, however, that the whole of them did appear, as Agassiz believes
 2365.177as, or probably far longer than, the whole interval from the Silurian age to the
 2385.217existed; the sudden manner in which whole groups of species appear in our
 2438.48from the world. Both single species and whole groups of species last for very unequal
 2438.888cases, however, the extermination of whole groups of beings, as of ammonites
 2440.4has been wonderfully sudden. The whole subject of the extinction of species
 2440.663South America, has run wild over the whole country and has increased in numbers at
 2444.895in a very few years have stocked the whole continent. But we could not have told
 2460.55the apparently sudden extermination of whole families or orders, as of Trilobites at
 2466.64the manner in which single species and whole groups of species become extinct
 2466.514action, yet seldom perceived by us, the whole economy of nature will be utterly
 2480.456as measured by years, including the whole glacial epoch), were to be compared
 2486.521depend on general laws which govern the whole animal kingdom." M. Barrande has made
 2498.241be allied in groups by inheritance, whole groups would tend slowly to disappear
 2514.779system. With respect to the Vertebrata, whole pages could be filled with striking
 2514.1096links, that he has had to alter the whole classification of these two orders; and
 2552.90that the fauna of each period as a whole is nearly intermediate in character
 2562.392pleistocene period, which includes the whole glacial period, and note how little the
 2596.1310the other old species and the other whole genera having become utterly extinct
 2604.90record, will rightly reject my whole theory. For he may ask in vain where
 2608.222falsely apparent, sudden coming in of whole groups of species. He may ask where are
 2614.305earth. But the utter extinction of a whole group of species may often be a very
 2624.287that organisation on the whole has progressed. If it should hereafter
 2663.1550how it is that sections of genera, whole genera, [page] 351 CHAP. XI. SINGLE
 2671.293species, which have undergone during whole geological periods but little
 2699.355on simultaneously changing, and the whole amount of modification will not have
 2735.630Some hawks and owls bolt their prey whole, and after an interval of from twelve
 2749.1268or two land-birds are blown across the whole Atlantic Ocean, from North America to
 2817.847believing that the temperature of the whole world was at this period simultaneously
 2819.20of longitude. On this view of the whole world, or at least of broad
 2835.147body of geological evidence, that the whole world, or a large part of it, was
 2849.246from geological evidence that the whole body of arctic shells underwent
 2938.31trees. With respect to the absence of whole orders on [page] 393 CHAP. XII
 2960.186or sections of classes,—the absence of whole groups, as of batrachians, and of
 3004.250has given the same general forms to the whole world. We see this same principle in
 3018.543relation of the inhabitants of each whole archipelago or island to those of the
 3028.212convinced simultaneously affected the whole world, or at least great meridional
 3038.418quarters of the world. We can see why whole groups of organisms, as batrachians and
 3075.756though so intimately connected with the whole life of the being, are ranked as merely
 3075.1517organs of vegetation, on which their whole life depends, are of little
 3089.213highly serviceable in the definition of whole groups. For instance, whether or not
 3123.1532descendants of the genus F, along its whole line of descent, are supposed to have
 3145.610to be classed under the bear genus. The whole case is preposterous; for where there
 3185.270together. For the common parent of a whole family of species, now broken up by
 3187.210account even for the distinctness of whole classes from each other—for instance
 3203.333of the class are homologous. The whole subject is included under the general
 3211.1125of the limbs throughout the whole class. So with the mouths of insects
 3229.228the most diverse purposes. And as the whole amount of modification will have been
 3255.523visible in the embryo. And in some whole groups of animals and in certain
 3289.210of pigeons. We may extend this view to whole families or even classes. The fore
 3295.94is the rule of development in certain whole groups of animals, as with cuttle-fish
 3337.393in young animals,—and the state of the whole flower in the cauliflower. We often see
 3376.8history—Concluding remarks. AS this whole volume is one long argument, it may be
 3382.372that any organ or instinct, or any whole being, could not have arrived at its
 3406.542urged against my theory. Why, again, do whole groups of allied species appear, though
 3448.528long ages and rigidly scrutinising the whole constitution, structure, and habits of
 3492.362The extinction of species and of whole groups of species, which has played so
 3502.831zones, though separated by the whole intertropical ocean. Although two areas
 3544.768on their own side they ignore the whole subject of the first appearance of
 3546.301extend very far. All the members of whole classes can be connected together by
 3546.761in the descendants. Throughout whole classes various structures are formed
 3572.361migrations of the inhabitants of the whole world. Even at present, by comparing
 3578.787been slow in an extreme degree. The whole history of the world, as at present
 3586.1000and that no cataclysm has desolated the whole world. Hence we may look with some
45  wholly 
 337.502they would to a large extent, or even wholly, revert to the wild aboriginal stock
 707.791numbers of the heath-plants were wholly changed, but twelve species of plants
 723.90red clover would become very rare, or wholly disappear. The number of humble-bees in
 804.1023an insect to a score of contingencies, wholly different from those which concern the
 812.302to the other sex, or in relation to wholly different habits of life in the two
 908.103object, and free intercrossing will wholly stop his work. But when many men
 948.874several causes are amply sufficient wholly to stop the action of natural selection
 1119.216due to chance. This, of course, is a wholly incorrect expression, but it serves to
 1149.86modifications of structure which are wholly, or mainly, due to natural selection
 1161.455in darkness, I attribute their loss wholly to disuse. In one of the blind animals
 1217.760systematists as of high value, may be wholly due to unknown laws of correlated
 1249.1086the different species being sometimes wholly unlike in shape; and the amount of
 1380.160by the modification of some animal with wholly different habits? Can we believe that
 1484.498the strictly terrestrial thrush family wholly subsists by diving,—grasping the stones
 1522.230same organ performing at the same time wholly distinct functions; thus the alimentary
 1522.666for one function alone, and thus wholly change its nature by insensible steps
 1524.219may be converted into one for a wholly different purpose, namely respiration
 1530.590the higher Vertebrata the branchiæ have wholly disappeared-the slits on the sides of
 1628.304believe that many modifications, wholly due to the laws of growth, and at first
 1681.251inhabited, but often from causes wholly unknown to us: Audubon has given
 1703.1145other hand, young chickens have lost, wholly by habit, that fear of the dog and cat
 1825.1803have seen, the spherical surfaces would wholly disappear, and would all be replaced by
 1877.810discussed this case, at some little but wholly insufficient length, in order to show
 1885.644of our distinct Kitty-wrens,—a habit wholly unlike that of any other known bird
 2149.274between them. But this is a wholly false view; we should always look for
 2227.91every year in Europe prove. No organism wholly soft can be preserved. Shells and bones
 2267.803rash to suppose that it then became wholly extinct. We forget how small the area
 2367.1072If these most ancient beds had been wholly worn away by denudation, or obliterated
 2450.37been exterminated, either locally or wholly, through man's agency. I may repeat
 2472.1054to the Old and New Worlds be kept wholly out of view, the general parallelism in
 2544.227in a satisfactory manner. And they are wholly inexplicable on any other view. On
 2596.278These huge animals have become wholly extinct, and have left no progeny. But
 2608.729period, the world may have presented a wholly different aspect; and that the older
 2614.472situations. When a group has once wholly disappeared, it does not reappear; for
 2651.820either of land or open sea, they are wholly distinct. On the other hand, proceeding
 2713.358facilities may be said to be almost wholly unknown. Until I tried, with Mr
 2849.398northward, the case may have been wholly different with those intruding forms
 2994.385another, it will in a very brief time wholly or in part supplant it; but if both are
 3275.608between these two breeds has been wholly caused by selection under domestication
 3291.96supervene, from causes of which we are wholly ignorant, at a very early period of
 3325.158detected in the embryo, but afterwards wholly disappear. It is also, I believe, a
 3343.830the rudimentary part would tend to be wholly lost, and we should have a case of
 3394.466one part to the others. We are often wholly unable [page] 462 RECAPITULATION. CHAP
 3426.1018it has once come into play, does not wholly cease; for new varieties are still
 3560.402savage looks at a ship, as at something wholly beyond his comprehension; when we
2  whorls 
 3225.341we see a series of successive spiral whorls of leaves. An indefinite repetition of
 3225.720of flowering plants, many spiral whorls of leaves. We have formerly seen that
12  whose 
 359.816from one wild stock. Mr. Blyth, whose opinion, from his large and varied
 419.608with whom I have ever conversed, or whose treatises I have read, are firmly
 713.662Hence, if certain insectivorous birds (whose numbers are probably regulated by hawks
 1213.202ray-florets serve to attract insects, whose agency is highly advantageous in the
 1695.593for example, Le Roy describes a dog, whose great-grandfather was a wolf, and this
 1729.127to the species, and if the insect whose nest and stored food are thus
 2078.11present analogous facts. Kölreuter, whose accuracy has been confirmed by every
 2086.229in several other respects. Gärtner, whose strong wish was to draw a marked line
 2267.191I am aware that two palæontologists, whose opinions are worthy of much deference
 2434.470de Beaumont, Murchison, Barrande, &c., whose general views would naturally lead them
 3534.165to convince experienced naturalists whose minds are stocked with a multitude of
 3538.174when we only restate a fact. Any one whose disposition leads him to attach more
98  widely 
 160.215the same species — Species with habits widely different from those of their allies
 272.283Who can explain why one species ranges widely and is very numerous, and why another
 343.1310correct; but naturalists differ most widely in determining what characters are of
 499.707gradual process, they will spread more widely, and will get recognised as something
 566.536forms. But if his observations be widely extended, he will in the end generally
 584.504and the species which are most widely diffused within their own country (and
 588.18VARY MOST. CHAP. II. those which range widely over the world, are the most diffused
 594.20GENERA VARIABLE. generally much more widely diffused than plants higher in the
 594.182cause of lowly-organised plants ranging widely will be discussed in our chapter on
 741.849other plants; so that the seeds may be widely distributed and fall on unoccupied
 804.710a plant to have its seeds more and more widely disseminated by the wind, I can see no
 930.306for a long period, and of spreading widely. Throughout a great and open area, not
 934.1203will be those that will spread most widely, will give rise to most new varieties
 940.727connect to a certain extent orders now widely separated in the natural scale. These
 942.468likely to endure long and to spread widely. For the area will first have existed
 978.320be better enabled to seize on many and widely diversified places in the polity of
 1002.212general economy of any land, the more widely and perfectly the animals and plants
 1046.363have the best chance of filling new and widely different places in the polity of
 1056.372also supposed to be very common and widely diffused species, so that they must
 1060.385will be allied to each other in a widely different manner. Of the eight
 1060.838of the process of modification, will be widely different from the other five species
 1078.558from a different parent, will differ widely from the three genera descended from (A
 1183.168nature, could easily be brought to bear widely different climates. We must not
 1257.1695individuals are born which depart widely from the standard. There may be truly
 1281.280same group differ from each other more widely in their secondary sexual characters
 1297.336breeds of pigeons, in countries most widely apart, present sub-varieties with
 1374.205in the same species—Species with habits widely different from those of their allies
 1476.311seen by Hearne swimming for hours with widely open mouth, thus catching, like a whale
 1478.62of a species following habits widely different from those both of their own
 1546.134a dozen fishes, of which several are widely remote in their affinities. Generally
 1590.871now are to these animals having such widely diversified habits. Therefore we may
 1837.432for these neuters often differ widely in instinct and in structure from both
 1839.749lies in the working ants differing widely from both the males and the fertile
 1871.244or all of small size with jaws having a widely different structure; or lastly, and
 1873.123workers existing in the same nest, both widely different from each other and from
 1938.394and plantaginea, species most widely dissimilar in general habit
 1944.267then we may infer that animals more widely separated in the scale of nature can be
 1982.185It can be shown that plants most widely different in habit and general
 2006.1065the other deciduous, and adaptation to widely different climates, does not always
 2048.522males and females which have become widely or specifically different, produce
 2056.557so many domestic varieties, differing widely from each other in appearance, for
 2078.183is more fertile, when crossed with a widely distinct species, than are the other
 2100.46with a third species, the hybrids are widely different from each other; whereas if
 2118.670is generally different, and sometimes widely different, in reciprocal crosses
 2126.1210latter capacity evidently depends on widely different circumstances-should all run
 2297.81than are the species found in more widely separated formations; but to this
 2299.272that such local varieties do not spread widely and supplant their parent-forms until
 2337.429would be able to spread rapidly and widely throughout the world. I will now give
 2351.1280in some one sea, might have spread widely. Nor have we any right to suppose that
 2389.324life, entombed in our consecutive, but widely separated formations. On this view, the
 2472.1152forms of life, in the stages of the widely separated palæozoic and tertiary
 2488.652in their own homes, and are most widely diffused, having produced the greatest
 2500.237formed by dominant species spreading widely and varying; the new species thus
 2522.132by some of its characters groups now widely separated from each other. This remark
 2536.807long and circuitous course through many widely different forms. If many extinct forms
 2602.998in any one area and formation; that widely ranging species are those which have
 2622.5be- [page] 345 CHAP. X. SUMMARY. come widely divergent. Extinct forms are seldom
 2641.246of the Old and New Worlds, how widely different are their living productions
 2749.80fact if many plants had not thus become widely transported. These means of transport
 2809.586Zealand; and the same plants, found on widely separated mountains in this island
 2867.0GEOGRAPHICAL DISTRIBUTION. CHAP. XI. widely dispersed to various points of the
 2880.156water productions would not have ranged widely within the same country, and as the sea
 2882.53in fresh-water productions of ranging widely, though so unexpected, can, I think, in
 2886.143same continent the species often range widely and almost capriciously; for two river
 2954.565ocean; and this space separates two widely distinct mammalian faunas. On either
 2988.1026on continents some species spreading widely and remaining the same. The really
 3000.550forms, chiefly of plants, have spread widely throughout the world during the recent
 3010.146that some of the species range very widely; for the facility with which widely
 3010.671of crossing barriers and ranging widely, as in the case of certain powerfully
 3010.753winged birds, will necessarily range widely; for we should never forget that to
 3010.802we should never forget that to range widely implies not only the power of crossing
 3010.1229some at least of the species range very widely; for it is necessary that the
 3010.1297that the unmodified parent should range widely, undergoing modification during its
 3016.357have had a better chance of ranging widely and of still retaining the same
 3016.747any group of organisms is, the more widely it is apt to range. The relations just
 3018.85slowly-changing organisms ranging more widely than the high,—some of the species of
 3018.171ranging genera themselves ranging widely,—such facts, as alpine, lacustrine, and
 3057.481matter, and so on; but the case is widely different in nature; for it is
 3057.713I have attempted to show that it is the widely ranging, the much diffused and common
 3081.922value, its classificatory value is widely different. No naturalist can have
 3123.96same millionth degree; yet they differ widely and in different degrees from each
 3123.775same degree in blood, has come to be widely different. Nevertheless their
 3167.221they are almost sure to spread widely, and to seize on more and more places
 3171.132higher groups are in number, and how widely spread they are throughout the world
 3203.1182can be given to the homologous bones in widely different animals. We see the same
 3223.800flower, though fitted for such widely different purposes, be all constructed
 3239.114individual, which when mature become widely different and serve for different
 3241.49of structure, in which the embryos of widely different animals of the same class
 3247.1056pedunculated and sessile, which differ widely in external appearance, have larvæ in
 3255.142a close similarity in the embryos of widely different animals within the same class
 3255.628embryo does not at any period differ widely from the adult: thus Owen has remarked
 3359.331parts, which when matured will become widely different from each other in structure
 3412.1483at least in any great number. Widely ranging species vary most, and
 3456.293as to be enabled to seize on many and widely different places in the economy of
 3492.291after equal intervals of time, is widely different in different groups. The
 3502.979no surprise at their inhabitants being widely different, if they have been for a long
 3825.26Alph., on low plants, widely dispersed, 406. ——, —, on widely
 4309.17distribution of, 386. —, low in scale, widely distributed, 406. Plumage, laws of
3  widely-different 
 725.340In some cases it can be shown that widely-different checks act on the same species in
 1279.126several species, fitted to more or less widely-different habits, in exactly the same manner: and
 1869.531insensibly into each other, as does the widely-different structure of their jaws. I speak
4  widely-diffused 
 1018.240which are the commonest and the most widely-diffused, vary more than rare species with
 1018.330restricted ranges. Let (A) be a common, widely-diffused, and varying species, belonging to a
 1034.50modified descendants from a common and widely-diffused species, belonging to a large genus
 1098.40We have seen that it is the common, the widely-diffused, and widely-ranging species, belonging
1  widely-distributed 
 3157.92into play in classing large and widely-distributed genera, because all the species of the
1  widely-extended 
 2663.1108over many competitors in their own widely-extended homes will have the best chance of
5  widely-ranging 
 1098.61is the common, the widely-diffused, and widely-ranging species, belonging to the larger genera
 2663.994modification through natural selection. Widely-ranging species, abounding in individuals
 3010.182widely; for the facility with which widely-ranging species vary and give rise to new forms
 3018.130than the high,—some of the species of widely-ranging genera themselves ranging widely,—such
 3826.10widely dispersed, 406. ——, —, on widely-ranging plants being variable, 53. —, —, on
1  widely-spread 
 3586.619foretel that it will be the common and widely-spread species, belonging to the larger and
1  widened 
 3211.411bones of a limb might be shortened and widened to any extent, and become gradually
1  widening 
 3187.96an important part in defining and widening the intervals between the several
8  wider 
 331.310make me believe that the rule has a wider extension, and that when there is no
 616.198for if a variety were found to have a wider range than that of its supposed parent
 1183.605parts of the world, and now have a far wider range than any other rodent, living
 1787.286these little pits, they made them wider and wider until they were converted
 1787.296little pits, they made them wider and wider until they were converted into shallow
 2293.465to find. Moreover, if we look to rather wider intervals, namely, to distinct but
 2787.133been still more completely separated by wider spaces of ocean. I believe the above
 2990.324by deep arms of the sea, in most cases wider than the British Channel, and there is
7  widest 
 1986.255crossed. There is often the widest possible difference in the facility of
 1998.269some difference, and occasionally the widest possible difference, in the facility of
 2299.725with plants it is those which have the widest range, that oftenest present varieties
 2299.858it is probably those which have had the widest range, far exceeding the limits of the
 2657.226points and stations. It is a law of the widest generality, and every continent offers
 2725.138even on those in the midst of the widest oceans; and the natives of the coral
 3000.366fitted to their new homes,—is of the widest application throughout nature. We see
6  width 
 381.572arms of the furcula. The proportional width of the gape of mouth, the proportional
 1787.682basins had acquired the above stated width (i.e. about the width of an ordinary
 1787.704the above stated width (i.e. about the width of an ordinary cell), and were in depth
 2723.1085across a space of sea 900 miles in width, and would then germinate. The fact of
 3277.291not here give details) of the beak, width of mouth, length of nostril and of
 3277.977of difference—for instance, that of the width of mouth—could hardly be detected in
1  wight.maps 
 5332.34s. —— SURREY, HANTS, and the Isle of Wight.Maps. Post 8vo. 7s. 6d. —— WESTMINSTER
1  wild-duck 
 311.342skeleton, than do the same bones in the wild-duck; and I presume that this change may be
3  wildness 
 1681.783this, even in England, in the greater wildness of all our large birds than of our
 1681.930We may safely attribute the greater wildness of our large birds to this cause; for
 1701.494of the inherited change from extreme wildness to extreme tameness, simply to habit
1  wilfully 
 3524.1413of modification, which it seems that we wilfully will not understand. I have now
1  wilkie 
 4998.38CUNNINGHAMS (ALLAN) Life of Sir David Wilkie. With his Journals and Critical Remarks
1  wilkie's 
 6126.0in Parliament. 2 Vols. 8vo. 42s. WILKIE'S (SIR DAVID) Life, Journals, Tours, and
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 6128.0Portrait. 3 Vols. 8vo. 42s. WILKINSON'S (SIR J. G.) Popular Account of the
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 4828.18d. each. [page] 5 BLACKSTONE'S (SIR WILLIAM) Commentaries on the Laws of England, A
 4866.55AND FALL OF THE ROMAN EMPIRE.Edited by WILLIAM SMITH, LL.D. Portrait and Maps. 8 Vols
 5169.11Vols. Post 8vo. 21s. FORSYTH'S (WILLIAM) Hortensius, or the Advocate: an
 5642.92Captivity of Napoleon at St. Helena. By WILLIAM FORSYTH. Portrait. 3 ols. 8vo. 45s. 8vo
 5860.326and Continued to the Present Time. By WILLIAM COURTHOPE, Somerset Herald. 8vo. 30s
 5892.28vo, 5s. PHILLIPS' (JOHN) Memoirs of William Smith, LL.D. (the Geologist). Portrait
 5966.10Second Edition. 8vo. 9s. SCROPE'S (WILLIAM) Days of Deer-Stalking in the Forest of
1  williams 
 5962.124by the Turkish Garrison under General Williams. Seventh Thousand. Post 8vo. 3s. 6d
1  willingly 
 389.955rock-pigeons, that is, not breeding or willingly perching on trees. But besides C. livia
1  wilts 
 5328.3DEVON AND CORNWALL. Maps. Post 8vo. —— WILTS, DORSET, AND SOMERSET. Map. Post 8vo
1  winds 
 1155.541saved by successfully battling with the winds, or by giving up the attempt and rarely
2  windsor 
 2954.374a more or less modified condition. Mr. Windsor Earl has made some striking
 5526.102to Spots of Interest in the Vicinity of Windsor and Eton. Woodcuts. Post8vo. 12s
1  wing-bar 
 399.1253with the white rump, double black wing-bar, and barred and white-edged tail
1  wing-cases 
 3313.227of flight, and not rarely lying under wing-cases, firmly soldered together! The meaning
2  wing-covers 
 1530.1032are homologous with the wings and wing-covers of insects, it is probable that organs
 3524.1170the shrivelled wings under the soldered wing-covers of some beetles, should thus so
7  winged 
 836.410to Mr. St. John, bringing home winged game, another hares or rabbits, and
 1219.740Alph. De Candolle has remarked that winged seeds are never found in fruits which
 1219.874that seeds could not gradually become winged through natural selection, except in
 1464.429might have been modified into perfectly winged animals. If this had been effected, who
 3828.9on naturalisation, 115. —, —, on winged seeds, 146. ——, —, on Alpine species
 4379.4Seeds, nutriment in, 77. ——, winged, 146. ——, power of resisting salt-water
 4966.24Post 8vo. 12s. CHANTREY (SIR FRANCIS). Winged Words on Chantreys Woodcocks. Edited by
8  wingless 
 1141.899danger, I believe that the nearly wingless condition of several birds, which now
 1153.72the sun shines; that the proportion of wingless beetles is larger on the exposed
 1153.459have made me believe that the wingless condition of so many Madeira beetles is
 2930.190reptiles, and in New Zealand gigantic wingless birds, take the place of mammals. In
 3691.9of, 225. —, parasitic, 218. Beetles, wingless, in Madeira, 135. ——with deficient
 3705.3seeds, 361. ——, waders, 386. —, wingless, 134, 182. —, with traces of embryonic
 4162.16plants of, 107. ——, beetles of, wingless, 135. —, fossil land-shells of
 4580.6of insects on sea-shore, 132. —, on wingless beetles, 135. —, on rarity of
1  wing-membrane 
 1456.984it into a bat. In bats which have the wing-membrane extended from the top of the shoulder
39  wings 
 375.880have very long necks, others very long wings and tails, others singularly short
 375.1072The pouter has a much elongated body, wings, and legs; and its enormously developed
 399.311externally edged with white; the wings have two black bars; some semi-domestic
 399.440have, besides the two black bars, the wings chequered with black. These several
 1141.727the surface of the water, and has its wings in nearly the same condition as the
 1145.236body, its legs were used more, and its wings less, until they became incapable of
 1149.265Madeira, are so far deficient in wings that they cannot fly; and that of the
 1153.694which flew least, either from its wings having been ever so little less
 1155.140lepidoptera, must habitually use their wings to gain their subsistence, have, as Mr
 1155.212have, as Mr. Wollaston suspects, their wings not at all reduced, but even enlarged
 1155.433selection to enlarge or to reduce the wings, would depend on whether a greater
 1161.706In the same manner as in Madeira the wings of some of the insects have been
 1161.763the insects have been enlarged, and the wings of others have been reduced by natural
 1245.1121there is a whole group of bats having wings; it would apply only if some one
 1245.1183only if some one species of bat had its wings developed in some remarkable manner in
 1287.761the manner of neuration of the wings is a character of the highest
 1299.145blue birds with two black bars on the wings, a white [page] 160 LAWS OF VARIATION
 1462.56might have existed which used their wings solely as flappers, like the logger
 1466.76for any particular habit, as the wings of a bird for flight, we should bear in
 1478.672on fruit, and others with elongated wings which chase insects on the wing; and on
 1484.573the stones with its feet and using its wings under water. He who believes that each
 1530.1022of Annelids are homologous with the wings and wing-covers of insects, it is
 1839.870of the thorax and in being destitute of wings and sometimes of eyes, and in instinct
 2936.657organ,—for instance, as the shrivelled wings under the soldered elytra of many
 3089.481in Marsupials-the manner in which the wings of insects are folded-mere colour in
 3289.442in another as paddles, in another as wings; and on the above two principles—namely
 3289.1032converted into hands, or paddles, or wings. Whatever influence long-continued
 3313.74birds. Nothing can be plainer than that wings are formed for flight, yet in how many
 3313.137yet in how many insects do we see wings so reduced in size as to be utterly
 3315.230one of which will have full-sized wings, and another mere rudiments of membrane
 3315.342to doubt, that the rudiments represent wings. Rudimentary organs sometimes retain
 3323.316is well exemplified in the state of the wings of the female moths in certain groups
 3337.958inhabiting dark caverns, and of the wings of birds inhabiting oceanic islands
 3337.1191injurious under others, as with the wings of beetles living on small and exposed
 3476.73at the logger-headed duck, which has wings incapable of flight, in nearly the same
 3524.1145embryonic calf or like the shrivelled wings under the soldered wing-covers of some
 3856.16by other bees, 202. Duck, domestic, wings of, reduced, 11. —, logger-headed
 4569.0White Mountains, flora of, 365. Wings, reduction of size, 134. ZEBRA
 4574.0reduction of size, 134. ZEBRA. Wings of insects homologous with branchiæ
1  wing-structure 
 1462.570these remarks that any of the grades of wing-structure here alluded to, which perhaps may all
7  winter 
 689.203of all checks. I estimated that the winter of 1854-55 destroyed four-fifths of the
 693.109got least food through the advancing winter, which will suffer most. When we travel
 701.510as their numbers are checked during winter: but any one who has tried, knows how
 792.294grey; the alpine ptarmigan white in winter, the red-grouse the colour of heather
 1442.808and preys on fish, but during the long winter [page] 180 DIFFICULTIES ON THEORY
 1825.243a large stock of bees during the winter; and the security of the hive is known
 1825.916that the community lived throughout the winter, and consequently required a store of
1  winters 
 5076.43HON. CAPT. FRANCIS) Journal of a Winters Tour in India; with a Visit to Nepaul
3  wished 
 469.198could never have expected or even have wished to have produced the result which
 747.102this case we can clearly see that if we wished in imagination to give the plant the
 749.257changed in an essential manner. If we wished to increase its average numbers in its
2  wishes 
 788.68so be preserved. How fleeting are the wishes and efforts of man! how short his time
 2060.824his own use and pleasure: he neither wishes to select, nor could select, slight
1  wishing 
 2080.315domestic varieties, and from not wishing or being able to produce recondite and
2  witchcraft 
 4642.50THE). The most interesting Trial for Witchcraft ever known. Translated from the German
 5214.59Witch: the most interesting Trial for Witchcraft ever known. From the German. Post 8vo
1  withdrawal 
 1225.1329and, on the other hand, the actual withdrawal of nutriment from one part owing to the
1  withdrawn 
 1604.644many attacking animals, cannot be withdrawn, owing to the backward serratures, and
1  wither 
 1966.1140causing the flower of the hybrid to wither earlier than it otherwise would have
1  withering 
 1966.1204would have done; and the early withering of the flower is well known to be a
106  within 
 186.483On the succession of the same types within the same areas — Summary of preceding
 365.418goats in Europe alone, and several even within Great Britain. One author believes that
 403.38that each breed, even the purest, has within a dozen or, at most, within a score of
 403.66purest, has within a dozen or, at most, within a score of generations, been crossed by
 403.136been crossed by the rock-pigeon: I say within a dozen or twenty generations, for we
 431.130of our eminent breeders have, even within a single lifetime, modified to [page
 461.1001pointer has been greatly changed within the last century, and in this case the
 548.1075as a variety, can rarely be found within the same country, but are common in
 562.401he confine his attention to one class within one country, he will soon make up his
 584.520species which are most widely diffused within their own country (and this is a
 707.1560Scotch firs on the distant hill-tops: within the last ten years large spaces have
 717.387can ever be as simple as this. Battle within battle must ever be recurring with
 741.1129animals. The store of nutriment laid up within the seeds of many plants seems at first
 810.1221rigorous selection of the young birds within the egg, which had the most powerful
 896.197of reproduction so perfectly enclosed within the body, that access from without and
 906.248a better chance for the appearance within any given period of profitable
 908.479animals. Thus it will be in nature; for within a confined area, with some place in its
 914.216catalogue of facts, showing that within the same area, varieties of the same
 928.715forms, we ought to make the comparison within equal times; and this we are incapable
 962.103will have the best chance of producing within any given period favourable variations
 962.396be less quickly modified or improved within any given period, and they will
 1080.768of further variation and improvement. Within the same large [page] 126 NATURAL
 1177.1132cases could be given of species within historical times having largely
 1231.453that when a cirripede is parasitic within another and is thus protected, it loses
 1251.9species of distinct genera. As birds within the same country vary in a remarkably
 1263.762has been so great and long-continued within a period not excessively remote, we
 1275.526of their structure which have varied within a moderately recent period, and which
 1279.690have varied and come to differ within the period of the branching off of the
 1357.1508been inherited, and have not differed within this same period. In these remarks we
 1406.543now continuous must often have existed within recent times in a far less continuous
 1424.125will always have a better chance, within any given period, of presenting further
 1432.55now continuous must often have existed within the recent period in isolated portions
 1442.342It would be easy to show that within the same group carnivorous animals
 1502.411the inner one divided into facets, within each of which there is a lens-shaped
 1536.130retain the eggs until they are hatched within the sack. These cirripedes have no
 1649.577the other mental qualities of animals within the same class. I will not attempt any
 1889.91the larvæ of ichneumonidæ feeding within the live bodies of caterpillars,—not as
 1898.254seems at first probable, for species within the same country could hardly have kept
 1972.655last produced, are very fertile. Even within the limits of the same genus, for
 1980.877close species a single hybrid. Even within the limits of the same genus, we meet
 2006.1584affinity. Although many distinct genera within the same family have been grafted
 2026.1134birth, as long as it is nourished within its mother's womb or within the egg or
 2026.1162nourished within its mother's womb or within the egg or seed produced by the mother
 2213.69which must have covered up the Weald within so limited a period as since the latter
 2241.306have been upraised several hundred feet within the recent period, than the absence of
 2241.1168the slow and gradual rising of the land within the grinding action of the coast-waves
 2255.431destroyed by being upraised and brought within the limits of the coast-action. Thus
 2273.957prodigious lapse of time, all included within this same glacial period. Yet it may be
 2273.1123remains, have gone on accumulating within the same area during the whole of this
 2273.1313near the mouth of the Mississippi, within that limit of depth at which marine
 2398.467On the succession of the same types within the same areas—Summary of preceding and
 2452.818specific forms which have been produced within a given time is probably greater than
 2542.554is that those groups, which have within known geological periods undergone much
 2576.478which have branched off from each other within comparatively recent times. For this
 2580.36On the Succession of the same Types within the same [page] 339 CHAP. X. SAME
 2586.70law of the succession of the same types within the same areas mean? He would be a bold
 2592.128immutable, succession of the same types within the same areas, is at once explained
 2624.523of the same types of structure within the same areas during the later
 2671.688species of a genus have been produced within comparatively recent times, there is
 2677.459that each species was first produced within a single region captivates the mind. He
 2683.492changes, which have certainly occurred within recent geological times, must have
 2687.180that each species has been produced within one area, and has migrated thence as
 2707.71great mutations of level, have occurred within the period of existing organisms
 2707.780such enormous geographical changes within the period of existing species. It
 2707.1000and extension, as to have united them within the recent period to each other and to
 2707.1744that it will ever be proved that within the recent period continents which are
 2711.525prodigious geographical revolutions within the recent period, as are necessitated
 2749.1791very difficult to prove this), received within the last few centuries, through
 2759.254kind, organic and inorganic, that within a very recent geological period
 2795.708the Alpine productions, left isolated, within a much more recent period, on the
 2813.208every case, that the epoch was included within [page] 374 GEOGRAPHICAL DISTRIBUTION
 2839.196plants and animals have spread within a few centuries, this period will have
 2855.1220on the land yielded to those produced within the larger areas of the north, just in
 2861.353or thrice as common, as another species within their own homes. I have said that many
 2880.163would not have ranged widely within the same country, and as the sea is
 2886.560water fish mainly to slight changes within the recent period in the level of the
 2886.845changes of level in the land within a very recent geological period, and
 2916.492out, would lead to the belief that within the recent period all existing islands
 2958.176likely to have been continuously united within a recent period to the mainland than
 2984.173yet in a most interesting manner, within the limits of the same archipelago
 2984.960in the several islands situated within sight of each other, having the same
 3016.201that organisms low in the scale within each great class, generally change at a
 3024.83the land, which have certainly occurred within the recent period, and of other similar
 3024.162similar changes which may have occurred within the same period; if we remember how
 3038.258of migration, one group of beings, even within the same class, should have all its
 3044.1417have changed during successive ages within the same quarter of the world, or to
 3044.1555quarters, in both cases the forms within each class have been connected by the
 3085.348of the same important organ within the same group of beings. Again, no
 3119.87that the arrangement of the groups within each class, in due subordination and
 3197.1394and yet use these same characters within the limits of the same group. We can
 3215.574others,—variations which we know to be within the limits of possibility. In the
 3239.237The embryos, also, of distinct animals within the same class are often strikingly
 3255.167the embryos of widely different animals within the same class, that we might be led to
 3257.348alike;—of embryos of different species within the same class, generally, but not
 3277.167young pigeons of various breeds, within twelve hours after being hatched; I
 3339.76effected by insensibly small steps, is within the power of natural selection; so that
 3365.34peopled, have all descended, each within its own class or group, from common
 3442.608and often capriciously, can produce within a short period a great result by adding
 3460.503in groups subordinate to groups, all within a few great classes, which we now see
 3470.909daughters; at ichneumonidæ feeding within the live bodies of caterpillars; and at
 3496.1143other such cases,—is intelligible, for within a confined country, the recent and the
 3502.285and marshes, most of the inhabitants within each great class are plainly related
 3512.415affinities of the species and genera within each class are so complex and
 3568.127allied species of most genera, have within a not very remote period de- [page
 3578.255for a long period unchanged, whilst within this same period, several of these
 4796.38Voyages of Discovery and Research within the Arctic Regions, from 1818 to the
69  without 
 248.26let this opportunity pass without expressing my deep obligations to Dr
 359.68remain vague; neverthelsss, I may, without here entering on any details, state
 369.1113very distinct breeds could not be got without extreme care and long-continued
 810.308to modify the structure of one species, without giving it any advantage, for the good
 834.22SELECTION. to keep the best dogs without any thought of modifying the breed
 836.5thought of modifying the breed. Even without any change in the proportional numbers
 846.976under the microscope, and on all, without exception, there were pollen-grains
 892.657be effected with terrestrial animals without the concurrence of two individuals. Of
 896.231within the body, that access from without and the occasional influence of a
 908.144stop his work. But when many men, without intending to alter the breed, have a
 960.294foreign plants have become naturalised, without causing, as far as we know, the
 1038.371character from their original stocks, without either having given off any fresh
 1205.202and that others rarely coexist, without our being able to assign any reason
 1211.916seeds of the outer and inner florets without any difference in the corolla. Possibly
 1217.813unknown laws of correlated growth, and without being, as far as we can see, of the
 1233.168as soon as it is rendered superfluous, without by any means causing some other part to
 1233.364in largely developing any organ, without requiring as a necessary compensation
 1245.505one of the truth of this proposition without giving the long array of facts which I
 1281.104remarks. I think it will be admitted, without my entering on details, that secondary
 1323.673but not an albino, has been described without either spinal or shoulder-stripe; and
 1323.1203barred like a zebra over the body, is without bars on the legs; but Dr. Gray has
 1331.180for the Indian Government, a horse without stripes is not considered as purely
 1331.787the foal than in the full-grown animal. Without here entering on further details, I may
 1345.913other marks invariably reappear; but without any other change of form or character
 1357.460of the structure which can be saved without detriment to the individual, will be
 1376.181to this day I can never reflect on them without being staggered; but, to the best of my
 1406.354might have been separately formed without the possibility of intermediate
 1424.1427into close contact with each other, without the interposition of the supplanted
 1486.895could be given, habits have changed without a corresponding change of structure
 1502.95nerve merely coated with pigment, and without any other mechanism; and from this low
 1584.352selection of a particular kind, but without here entering on copious details my
 1651.435more especially by a very young one, without any experience, and when performed by
 1651.515by many individuals in the same way, without their knowing for what purpose it is
 1683.403aware that these general statements, without facts given in detail, can produce but
 1683.540my assurance, that I do not speak without good evidence. The possibility, or
 1689.850see that these actions, performed without experience by the young, and in nearly
 1689.981with eager delight by each breed, and without the end being known,—for the young
 1689.1287to see one kind of wolf, when young and without any training, as soon as it scented its
 1697.685which cannot fly eighteen inches high without going head over heels. It may be
 1701.58at work, as each man tries to procure, without intending to improve the breed, dogs
 1731.222is absolutely dependent on its slaves; without their aid, the species would certainly
 1731.768that when Huber shut up thirty of them without a slave, but with plenty of the food
 1763.279so beautifully adapted to its end, without enthusiastic admiration. We hear from
 1807.1230can cluster and crawl over the comb without injuring the delicate hexagonal walls
 1877.1260which are in any manner profitable, without exercise or habit having come into play
 1910.259devoted their lives to this subject, without being deeply impressed with the high
 2038.309should be compounded into one, without some disturbance occurring in the
 2227.707time, by another and later formation, without the underlying bed having suffered in
 2474.381been brought to Europe from La Plata, without any information in regard to their
 2717.50sake I chiefly tried small seeds, without the capsule or fruit; and as all of
 2745.91and that several other means, which without doubt remain to be discovered, have
 2755.296same species living at distant points, without the apparent possibility of their
 2773.575summits, we may almost conclude without other evidence, that a colder climate
 2803.29ocean. These cases of relationship, without identity, of the inhabitants of seas
 2817.453simultaneous throughout the world. Without some distinct evidence to the contrary
 2886.728of this having occurred during floods, without any change of level. We have evidence
 2968.137to those of the nearest mainland, without being actually the same species
 3081.983naturalist can have worked at any group without being struck with this fact; and it has
 3139.197or quite lost this habit; nevertheless, without any reasoning or thinking on the
 3185.848tree, and almost impossible to do this without this aid, we can understand the
 3185.963have experienced in describing, without the aid of a diagram, the various
 3365.153in the course of descent, that I should without hesitation adopt this view, even if it
 3432.435most useful to him at the time, without any thought of altering the breed. It
 3482.132characters which have been inherited without change for an enormous period. It is
 3524.735fitted by natural selection to browse without their aid; whereas in the calf, the
 3530.680of time, we are too apt to assume, without proof, that the geological record is so
 3540.905they arbitrarily reject it in another, without assigning any distinction in the two
 3558.500were formerly thus connected. Hence, without quite rejecting the consideration of
 4908.103Plan Drawing, and on sketching ground without Instruments. Third Edition. Woodcuts
9  withstand 
 297.460so will some animals and plants withstand domestication or cultivation, and vary
 351.150tendency to vary, and likewise to withstand diverse climates. I do not dispute that
 743.127We know that it can perfectly well withstand a little more heat or cold, dampness or
 1189.534plants, certain varieties are said to withstand certain climates better than others
 1398.157sufficiently thick and extensive to withstand an enormous amount of future
 2243.127solid, or extensive masses, in order to withstand the incessant action of the waves, when
 2839.832many tropical plants and animals can withstand a considerable amount of cold, many
 2839.1382from the inroads of competitors, can withstand a much warmer climate than their own
 2966.991that several species did in this state withstand uninjured an immersion in sea-water
1  withstanding 
 1179.309in our domestic animals of not only withstanding the most different climates but of
1  with—that 
 3217.276the bones of the skull are homologous with—that is correspond in number and in relative
1  with—the 
 3217.336in number and in relative connexion with—the elemental parts of a certain number of
2  witness 
 1743.33One day I fortunately chanced to witness a migration from one nest to another
 2070.234by so good an observer and so hostile a witness, as Gärtner: namely, that yellow and
1  witnessed 
 1697.295to tumble,—an action which, as I have witnessed, is performed by young birds, that have
1  witnesses 
 2066.88evidence is, also, derived from hostile witnesses, who in all other cases consider
1  wolf-like 
 2944.465Islands, which are inhabited by a wolf-like fox, come nearest to an exception; but
10  wollaston 
 576.255as has been shown to be the case by Mr. Wollaston with the varieties of certain fossil
 1125.866or near the coast. So with insects, Wollaston is convinced that residence near the
 1149.135mainly, due to natural selection. Mr. Wollaston has discovered the remarkable fact that
 1149.568beetles in Madeira, as observed by Mr. Wollaston, lie much con- [page] 136 LAWS OF
 1153.217fact, so strongly insisted on by Mr. Wollaston, of the almost entire absence of
 1155.186to gain their subsistence, have, as Mr. Wollaston suspects, their wings not at all
 1418.654me by Mr. Watson, Dr. Asa Gray, and Mr. Wollaston, that generally when varieties
 2918.167de Candolle admits this for plants, and Wollaston for insects. If we look to the large
 2994.1761to Chatham Island. Sir C. Lyell and Mr. Wollaston have communicated to me a remarkable
 4577.25with dog, 214. —of Falkland Isles, 393. Wollaston, Mr., on varieties of insects
1  wollaston's 
 548.1792are characterized as varieties in Mr. Wollaston's admirable work, but which it cannot
6  wolves 
 830.639to doubt that the swiftest and slimmest wolves would have the best chance of surviving
 836.986the parent-form of wolf. Or, again, the wolves inhabiting a mountainous district, and
 1703.427has become instinctive in the dog. All wolves, foxes, jackals, and species of the cat
 4291.29Pierce, Mr., on varieties of wolves, 91. Pigeons with feathered feet and
 4584.0shells of Madeira, naturalised, 402. Wolves, varieties of, 90. Woodpecker, habits
 5632.34s. LIYONIAN TALES.The Disponent.—The Wolves. —The Jewess. By the Author of "Letters
3  women 
 471.580their killing and devouring their old women, in times of dearth, as of less value
 511.887and, although so much valued by women and children, we hardly ever see a
 4279.10sterility of, 251. Pelvis of women, 144, Peloria, 145. Period, glacial
6  wonder 
 711.734stems of the heath, and had failed. No wonder that, as soon as the land was enclosed
 788.245during whole geological periods. Can we wonder, then, that nature's productions should
 1098.554It is a truly wonderful fact—the wonder of which we are apt to overlook from
 2450.441but when the sick man dies, to wonder and to suspect that he died by some
 3229.321by slight successive steps, we need not wonder at discovering in such parts or organs
 3470.978and at other such cases. The wonder indeed is, on the theory of natural
27  wonderful 
 375.151the short-faced tumbler, and see the wonderful difference in their beaks, entailing
 375.313male bird, is also remarkable from the wonderful development of the carunculated skin
 477.838expressed in horticultural works at the wonderful skill of gardeners, in having produced
 1098.535beings may be explained. It is a truly wonderful fact—the wonder of which we are apt to
 1384.5DIFFICULTIES ON THEORY. CHAP. VI. such wonderful structure, as the eye, of which we
 1606.636few members. If we admire the truly wonderful power of scent by which the males of
 1622.636and their intermediate states show that wonderful metamorphoses in function are at least
 1649.177subject separately, especially as so wonderful an instinct as that of the hive-bee
 1661.662It can be clearly shown that the most wonderful instincts with which we are acquainted
 1663.557believe, that all the most complex and wonderful instincts have originated. As
 1711.495been ranked by naturalists as the most wonderful of all known instincts. It is now
 1731.1317been hopeless to have speculated how so wonderful an instinct could have been perfected
 1755.82confirmation by me, in regard to the wonderful instinct of making slaves. Let it be
 1781.138Melipona, and in themselves not very wonderful, this bee would make a structure as
 1781.1432of instincts in themselves not very wonderful,—hardly more wonderful than those which
 1781.1455not very wonderful,—hardly more wonderful than those which guide a bird to make
 1831.29wax. Thus, as I believe, the most wonderful of all known instincts, that of the
 1853.665the workers of one caste alone carry a wonderful sort of shield on their heads, the use
 1859.133when I do not admit that such wonderful and well-established facts at once
 1873.24were produced. Thus, as I believe, the wonderful fact of two distinctly defined castes
 2584.575is even more clearly seen in the wonderful collection of fossil bones made by MM
 2584.801of the succession of types,"-on "this wonderful relationship in the same continent
 2831.276Prof. Dana, that "it is certainly a wonderful fact that New Zealand should have a
 2928.1036Madeira, again, is inhabited by a wonderful number of peculiar land-shells, whereas
 3237.43terms may be used literally; and the wonderful fact of the jaws, for instance, of a
 3502.64same. We see the full meaning of the wonderful fact, which must have struck every
 3592.682endless forms most beautiful and most wonderful have been, and are being, evolved
7  wonderfully 
 1661.301the pianoforte at three years old with wonderfully little practice, had played a tune with
 1781.184this bee would make a structure as wonderfully perfect as that of the hive-bee. We
 1869.305ants of the several sizes differed wonderfully in shape, and in the form and number of
 2438.980close of the secondary period, has been wonderfully sudden. The whole subject of the
 3095.1359only degraded flowers, departing so wonderfully in a number of the most important
 3187.697of the Crustacea, for here the most wonderfully diverse forms are still tied [page
 3217.544We see the same law in comparing the wonderfully complex jaws and legs in crustaceans
1  wondrous 
 1540.308to conceive by what steps these wondrous organs have been produced; but, as Owen
1  wood's 
 6138.0and Artisans. Map. 18mo. 1s. 6d. WOOD'S (LIEUT.) Voyage up the Indus to the
2  woodcocks 
 836.514ground and almost nightly catching woodcocks or snipes. The tendency to catch rats
 4966.50SIR FRANCIS). Winged Words on Chantreys Woodcocks. Edited by JAS. P. MUIRHEAD. Etchings
1  woodcut 
 4834.73Illustrations of Borders, Initials, and Woodcut Vignettes. A New Edition. Medium 8vo
117  woodcuts 
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 5692.86to the present time. 6th Edition. Woodcuts. 12mo. 6s. ———School History of Greece
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 6002.83Geography, and Natural History. Woodcuts. Vol. 1. 8vo. [In the Press
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 6008.130Literature and Art. Sixteenth Thousand. Woodcuts. Crown 8vo. 7s. 6d. (Questions. 12mo
 6010.132and continued to 1858. Eighth Thousand. Woodcuts. Post 8vo. 7s. 6d. ——— History of Rome
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 6068.210Brahmanical and Buddhist Superstitions. Woodcuts. 8vo. 14s. THREE-LEAVED MANUAL OF
 6108.68for Young Children. By AUNT IDA. With Woodcuts. 16mo. 5s. WARD'S (ROBERT PLUMER
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1  woodents 
 5334.61Art, Architecture, and Associations. Woodents. 16mo. Is. —— CATHEDRALS OF ENGLAND
8  woodpecker 
 250.961the structure, for instance, of the woodpecker, with its feet, tail, beak, and tongue
 256.44some bird had given birth to a woodpecker, and some plant to the misseltoe, and
 635.1057co-adaptations most plainly in the woodpecker and missletoe; and only a little less
 1478.493of adaptation be given than that of a woodpecker for climbing trees and for seizing
 1478.777where not a tree grows, there is a woodpecker, which in every essential part of its
 1478.1001to our common species; yet it is a woodpecker which never climbs a tree! Petrels are
 3464.117it is that a bird, under the form of woodpecker, should have been created to prey on
 4584.26Wolves, varieties of, 90. Woodpecker, habits of, 184. —, green colour of
4  woodpeckers 
 1478.605bark? Yet in North America there are woodpeckers which feed largely on fruit, and others
 1492.843of in swamps; that there should be woodpeckers where not a tree grows; that there
 1574.18LITTLE IMPORTANCE. remarks. If green woodpeckers alone had existed, and we did not know
 1620.345upland geese with webbed feet, ground woodpeckers, diving thrushes, and petrels with the
4  woodward 
 2267.253of much deference, namely Bronn and Woodward, have concluded that the average
 2426.458so few, that E. Forbes, Pictet, and Woodward (though all strongly opposed to such
 2584.1134the birds of the caves of Brazil. Mr. Woodward has shown that the same law holds good
 4585.25of, 184. —, green colour of, 197. Woodward, Mr., on the duration of specific forms
1  woody 
 2006.970in the size of two plants, one being woody and the other herbaceous, one being
11  words 
 501.21changes. I must now say a few words on the circumstances, favourable, or
 645.509Nothing is easier than to admit in words the truth of the universal struggle for
 816.45insects. And this leads me to say a few words on what I call Sexual Selection. This
 968.331away by the short-horns" (I quote the words of an agricultural writer) "as if by
 1173.195c., and this leads me to say a few words on acclimatisation. As it is extremely
 1586.43foregoing remarks lead me to say a few words on the protest lately made by some
 2701.180centres of creation," I must say a few words on the means of dispersal. Means of
 2713.21volcanic matter. I must now say a few words on what are called accidental means
 4966.31s. CHANTREY (SIR FRANCIS). Winged Words on Chantreys Woodcocks. Edited by JAS
 5560.89the Derivation and Meaning of Divers Words. Fcap. 8vo. 4s. KUGLERS (Dr. FRANZ
 5612.26vo. 12s. —— Glossary of Provincial Words used in Herefordshire and some of the
1  wordsworth 
 5102.65Eminent British Poets. From Chaucer to Wordsworth. 4 Vols. 8vo. In Preparation. ENGLAND
1  wordsworth's 
 6140.0Kabul and Badakhshan. Map. 8vo. 14s. WORDSWORTH'S (REV. DR.) Athens and Attica. Journal
9  worked 
 1524.297The swimbladder has, also, been worked in as an accessory to the auditory
 1528.70part of the auditory apparatus has been worked in as a complement to the swimbladder
 1530.819lost branchiæ might have been gradually worked in by natural selection for some quite
 1566.572it might subsequently come to be worked in for all sorts of purposes, as a fly
 1649.40THE subject of instinct might have been worked into the previous chapters; but I have
 1793.577neatly performed. The bees must have worked at very nearly the same rate on the
 1795.609on the opposed side, where the bees had worked less quickly. In one well-marked
 1813.372spot on which it had been placed, and worked into the growing edges of the cells all
 3081.963different. No naturalist can have worked at any group without being struck with
27  workers 
 1731.348and fertile females do no work. The workers or sterile females, though most
 1761.35tageous to this species to capture workers than to procreate them-the habit of
 1839.141of working or sterile ants. How the workers have been rendered sterile is a
 1839.1009difference in this respect between the workers and the perfect females, would have
 1853.630different: in Cryptocerus, the workers of one caste alone carry a wonderful
 1857.14VII. NEUTER INSECTS. cocystus, the workers of one caste never leave the nest; they
 1857.77leave the nest; they are fed by the workers of another caste, and they have an
 1859.1426that the larger or the smaller sized workers are the most numerous; or that both
 1863.8page] 240 INSTINCT. CHAP. VII. smaller workers, with some of intermediate size; and
 1863.112Mr. F. Smith has observed, the larger workers have simple eyes (ocelli), which though
 1863.216distinguished, whereas the smaller workers have their ocelli rudimentary. Having
 1863.309dissected several specimens of these workers, I can affirm that the eyes are far
 1863.385are far more rudimentary in the smaller workers than can be accounted for merely by
 1863.533dare not assert so positively, that the workers of intermediate size have their ocelli
 1863.661that we here have two bodies of sterile workers in the same nest, differing not only in
 1863.855digress by adding, that if the smaller workers had been the most useful to the
 1863.1009produced more and more of the smaller workers, until all the workers had come to be
 1863.1032of the smaller workers, until all the workers had come to be in this condition; we
 1863.1193with those of Myrmica. For the workers of Myrmica have not even rudiments of
 1865.379the amount of difference in these workers, by my giving not the actual
 1869.418fact for us is, that though the workers can be grouped into castes of different
 1869.717the jaws which I had dissected from the workers of the several sizes. With these facts
 1871.332is our climax of difficulty, one set of workers of one size and structure, and
 1871.401and simultaneously another set of workers of a different size and structure;—a
 1873.83distinctly defined castes of sterile workers existing in the same nest, both widely
 1877.235could be effected with them only by the workers being sterile; for had they been
 3382.638of two or three defined castes of workers or sterile females in the same
15  working 
 790.227that is good; silently and insensibly working, whenever and wherever opportunity
 1550.47same invention, so natural selection, working for the good of each being and taking
 1763.762perfectly effected by a crowd of bees working in a dark hive. Grant whatever
 1795.323that the bees do not always succeed in working at exactly the same rate from the
 1795.724the hive, and allowed the bees to go on working for a short time, and again examined
 1801.574this from the opposite sides, always working circularly as they deepen each cell
 1809.142bees all work together; one bee after working a short time at one cell going to
 1815.77can stand in their proper positions for working,—for instance, on a slip of wood
 1839.108here take only a single case, that of working or sterile ants. How the workers have
 1839.726The great difficulty lies in the working ants differing widely from both the
 1839.1103exemplified by the hive-bee. If a working ant or other neuter insect had been an
 1843.184selected, and so onwards. But with the working ant we have an insect differing greatly
 1853.530same family. Thus in Eciton, there are working and soldier neuters, with jaws and
 1869.262as big. The jaws, moreover, of the working ants of the several sizes differed
 6136.11and Woodcuts. 8vo. 18s. —— (G. B.) Working Man's Handbook to South Australia; with
1  workman 
 1763.599It has been remarked that a skilful workman, with fitting tools and measures, would
1  workmanship 
 788.478plainly bear the stamp of far higher workmanship? It may be said that natural selection
3  workmen 
 1865.526the same as if we were to see a set of workmen building [page] 241 CHAP. VII. NEUTER
 1869.118but we must suppose that the larger workmen had heads four instead of three times
 3564.251and even the blunders of numerous workmen; when we thus view each organic being
65  works 
 50.30of God's word, or in the book of God's works; divinity or philosophy; but rather let
 435.484was probably better acquainted with the works of agriculturalists than almost any
 451.505of the importance of the principle in works of high antiquity. In rude and [page
 477.825surprise expressed in horticultural works at the wonderful skill of gardeners, in
 570.210are barely thought worth recording in works on natural history. And I look at
 584.732to have been recorded in botanical works. Hence it is the most flourishing, or
 641.1601to man's feeble efforts, as the works of Nature are to those of Art. [page
 810.427to this effect may be found in works of natural history, I cannot find one
 1185.371incessant advice given in agricultural works, even in the ancient Encyclopædias of
 1189.614this is very strikingly shown in works on fruit trees published in the United
 1273.230but I have repeatedly noticed in works on natural history, that when an author
 1317.90a variable species in our systematic works, is due to its varieties mocking, as it
 1351.633for an unknown, cause. It makes the works of God a mere mockery and deception; I
 1510.352we any right to assume that the Creator works by intellectual powers like those of
 1514.1113as superior to one of glass, as the works of the Creator are to those of man? If
 1596.313many statements may be found in works on natural history to this effect, I
 1910.130to study the several memoirs and works of those two conscientious and
 2235.269see the formations tabulated in written works, or when we follow them in nature, it
 2713.190confine myself to plants. In botanical works, this or that plant is stated to be ill
 2863.151by Dr. Hooker in his botanical works on the antarctic regions. These cannot
 3331.367organs, are imperfect and useless. In works on natural history rudimentary organs
 3446.118to be worthy of record in systematic works. No one can draw any clear distinction
 3586.1129length. And as natural selection works solely by and for the good of each
 4609.38page 1 (MR. MURRAY'S GENERAL LIST OF WORKS.)] ALBEMARLE STREET, LONDON. June
 4617.16MR. MURRAY'S GENERAL LIST OF WORKS. ___________ ___________ ABBOTT'S
 4632.10of India. Post 8vo. 2s. 6d. ADDISON'S WORKS. A New Edition, with a New Life and
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 4864.11Already Published. GOLDSMITHS WORKS. Edited by PETER CUNNINGHAM, F.S.A
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 6152.43S (DR. THOS.) Life and Miscellaneous Works,edited by DEAN PEACOCK and JOHN LEITCH
1  workshops 
 2855.731in the larger areas and more efficient workshops of the north. In many islands the
1  work—the 
 240.407and Dr. Hooker, who both knew of my work—the latter having read my sketch of
1  work-there 
 1361.99new specific forms has been actively at work-there, on an average, we now find most
144  world 
 40.33But with regard to the material world, we can at least go so far as this-we
 84.10DURING H.M.S. BEAGLE'S VOYAGE ROUND THE WORLD.' LONDON: JOHN MURRAY
 186.317in the forms of life throughout the world — On the affinities of extinct species
 192.344Glacial period co-extensive with the world. .. .. .. .. .. .. 346-382 [page] ix
 250.534the innumerable species inhabiting this world have been modified, so as to acquire
 260.750all organic beings throughout the world, which inevitably follows from their
 272.549of every inhabitant of this world. Still less do we know of the mutual
 272.640of the innumerable inhabitants of the world during the many past geological epochs
 349.345inhabiting different quarters of the world. I do not believe, as we shall
 365.1084case of the domestic dogs of the whole world, which I fully admit have probably
 371.288with skins from several quarters of the world, more especially by the Hon. W. Elliot
 393.313been transported to all parts of the world, and, therefore, some of them must have
 413.1065of years in several quarters of the world; the earliest known record of pigeons
 437.182exported to almost every quarter of the world. The improvement is by no means
 588.34II. those which range widely over the world, are the most diffused in their own
 639.255and in every part of the organic world. Again, it may be asked, how is it
 657.79in numbers, all cannot do so, for the world would not hold them. There is no
 661.400have run wild in several parts of the world: if the statements of the rate of
 673.280to be the most numerous bird in the world. One fly deposits hundreds of eggs, and
 713.106Scotch fir; but in several parts of the world insects determine the existence of
 717.878we invoke cataclysms to desolate the world, or invent laws on the duration of the
 790.87and hourly scrutinising, throughout the world, every variation, even the slightest
 934.1337in the changing history of the organic world. We can, perhaps, on these views
 940.620most anomalous forms now known in the world, as the Ornithorhynchus and Lepidosiren
 952.139manner at which the inhabitants of this world have changed. Slow though the process
 960.242than in any other quarter of the world, some foreign plants have become
 1149.469that beetles in many parts of the world are very frequently blown to sea and
 1167.710successive generations from the outer world into the deeper and deeper recesses of
 1183.579transported by man to many parts of the world, and now have a far wider range than
 1331.1073in the south. In all parts of the world these stripes occur far oftenest in
 1337.253the most distant parts of the world. Now let us turn to the effects of
 1351.401inhabiting distant quarters of the world, to produce hybrids resembling in their
 1636.205only to the present inhabitants of the world, is not strictly correct, but if we
 1675.1136I do not believe that any animal in the world performs an action for the exclusive
 1885.195when inhabiting distant parts of the world and living under considerably different
 2221.174each of these years, over the whole world, the land and the water has been
 2227.1281cirripedes) coat the rocks all over the world in infinite numbers: they are all
 2235.589America, and in many other parts of the world. The most skilful geologist, if his
 2267.891Europe is compared with the rest of the world; nor have the several stages of the
 2273.343deposits of various quarters of the world, it has everywhere been noted, that
 2273.1042doubted whether in any quarter of the world, sedimentary deposits, including fossil
 2311.6IMPERFECTION OF THE CHAP. IX. whole world in organic beings; yet if all the
 2311.168represent the natural history of the world! But we have every reason to believe
 2331.1020We continually forget how large the world is, compared with the area over which
 2337.451rapidly and widely throughout the world. I will now give a few examples to
 2339.926bones, are marine, and range over the world, the fact of not a single bone of a
 2345.293of many species all over the world, from the Arctic regions to the equator
 2351.825and simultaneously throughout the world at this same period. It is almost
 2351.1342right to suppose that the seas of the world have always been so freely open from
 2357.397of organic beings throughout the world, as it would be for a naturalist to
 2365.302yet quite unknown, periods of time, the world swarmed with living creatures. To the
 2367.445forget that only a small portion of the world is known with accuracy. M. Barrande has
 2379.1801The immense areas in some parts of the world, for instance in South America, of bare
 2385.1289geological record, as a history of the world imperfectly kept, and written in a
 2438.17SUCCESSION. CHAP. X. finally from the world. Both single species and whole groups
 2468.67almost simultaneously throughout the World.—Scarcely any palæontological discovery
 2468.212almost simultaneously throughout the world. Thus our European Chalk formation can
 2468.300recognised in many distant parts of the world, under the most different climates
 2470.35page] 323 CHAP. X. THROUGHOUT THE WORLD. America, in equatorial South America
 2472.698absent at these distant points of the world. In the several successive palæozoic
 2474.86inhabitants of distant parts of the world: we have not sufficient data to judge
 2480.92changed simultaneously throughout the world, it must not be supposed that this
 2482.105large sense, at distant parts of the world, has greatly struck those admirable
 2484.35MM. [page] 325 CHAP. X. THROUGHOUT THE WORLD. de Verneuil and d'Archiac. After
 2486.785in the forms of life throughout the world, under the most different climates. We
 2488.79of the forms of life throughout the world, is explicable on the theory of natural
 2494.710as before explained. One quarter of the world may have been most favourable for the
 2496.35the [page] 327 CHAP. X. THROUGHOUT THE WORLD. forms dominant in the highest degree
 2500.134the same forms of life throughout the world, accords well with the principle of new
 2500.709improved groups spread throughout the world, old groups will disappear from the
 2500.751old groups will disappear from the world; and the succession of forms in both
 2506.19CHAP. X. other parts of the world. As we have reason to believe that
 2506.240wide spaces in the same quarter of the world; but we are far from having any right
 2562.223almost simultaneously throughout the world, and therefore under the most different
 2570.268inhabitants of one quarter of the world were put into competition with the
 2584.971to the mammals of the Old World. We see the same law in this author's
 2592.216the inhabitants of each quarter of the world will obviously tend to leave in that
 2608.702but that long before that period, the world may have presented a wholly different
 2616.143will in the long run tend to people the world with allied, but modified, descendants
 2616.387of time, the productions of the world will appear to have changed
 2635.334Glacial period co-extensive with the world. IN considering the distribution of
 2637.1016a climate or condition in the Old World which cannot be paralleled in the New
 2641.45for instance, small areas in the Old World could be pointed out hotter than any in
 2641.99pointed out hotter than any in the New World, yet these are not inhabited by a
 2671.126the most distant quarters of the world, must originally have proceeded from
 2677.1194mammal inhabiting distant points of the world. No geologist will feel any difficulty
 2765.355are remarkably uniform round the world. We may suppose that the Glacial period
 2783.608and northern temperate forms round the world, at the commencement of the Glacial
 2787.421the majority of the inhabitants of the world were specifically the same as now, the
 2795.555great region, with those of the Old World. Consequently we have here everything
 2803.463with the southern continents of the Old World, we see countries closely corresponding
 2813.125distant points on opposite sides of the world. But we have good evidence in almost
 2817.446actually simultaneous throughout the world. Without some distinct evidence to the
 2817.853that the temperature of the whole world was at this period simultaneously
 2819.26longitude. On this view of the whole world, or at least of broad longitudinal
 2825.496Hence we see that throughout the world, the plants growing on the more lofty
 2831.420antipode, than to any other part of the world." Sir J. Richardson, also, speaks of
 2835.153of geological evidence, that the whole world, or a large part of it, was during the
 2869.188distribution. I believe that the world has recently felt one of his great
 2880.507in a remarkable manner throughout the world. I well remember, when first collecting
 2886.1262occurring at very distant points of the world, no doubt there are many cases which
 2892.204a single source, prevail throughout the world. Their distribution at first perplexed
 2924.146i.e. those found nowhere else in the world) is often extremely large. If we
 2948.194for they occur in many parts of the world on very small islands, if close to a
 2948.989two bats found nowhere else in the world: Norfolk Island, the Viti Archipelago
 2954.1164subject in all other quarters of the world; but as far as I have gone, the
 2984.555inhabitants of any other part of the world. And this is just what might have been
 2984.1647which are found in other parts of the world (laying on one side for the moment the
 2990.741both those found in other parts of the world and those confined to the archipelago
 3000.572have spread widely throughout the world during the recent Glacial epoch, are
 3004.256the same general forms to the whole world. We see this same principle in the
 3006.201the existence at remote points of the world of other species allied to it, is shown
 3006.366genera of birds which range over the world, many of the species have very wide
 3006.770in which so many genera range over the world, and many individual species have
 3006.851ranges. It is not meant that in world- [page] 405 CHAP. XII. OCEANIC ISLANDS
 3010.1115to the most remote points of the world, we ought to find, and I believe as a
 3016.16CHAP. XII. quarters of the world, where they may have become slightly
 3028.218simultaneously affected the whole world, or at least great meridional belts. As
 3036.107great geographical provinces of the world. On these same principles, we can
 3038.396species common to other quarters of the world. We can see why whole groups of
 3044.909to distant provinces throughout the world, we find that some organisms differ
 3044.1448ages within the same quarter of the world, or to those which have changed after
 3081.66of the being in relation to the outer world. Perhaps from this cause it has partly
 3129.280languages now spoken throughout the world; and if all extinct languages, and all
 3171.170widely spread they are throughout the world, the fact is striking, that the
 3361.203of organic beings, with which this world is [page] 458 SUMMARY. CHAP. XIII
 3394.331distant and isolated parts of the world they are now found, they must in the
 3398.940representative species throughout the world. We are as yet profoundly ignorant of
 3406.126living and extinct inhabitants of the world, and at each successive period between
 3412.1336species. Only a small portion of the world has been geologically explored. Only
 3460.181succeed in increasing in size, for the world would not hold them, the more dominant
 3492.456a part in the history of the organic world, almost inevitably follows on the
 3492.911changed simultaneously throughout the world. The fact of the fossil remains of each
 3498.137much migration from one part of the world to another, owing to former climatal
 3530.549as long as the history of the world was thought to be of short duration
 3572.367of the inhabitants of the whole world. Even at present, by comparing the
 3578.808degree. The whole history of the world, as at present known, although of a
 3582.296the past and present inhabitants of the world should have been due to secondary
 3586.1006no cataclysm has desolated the whole world. Hence we may look with some confidence
 4421.41changing simultaneously throughout the world, 322. Spencer, Lord, on increase in
 4588.0on the succession of types, 339. World, species changing simultaneously
 5034.128visited during a Voyage round the World. Post 8vo. 8s. 6d. DAVISS (SIR J. F
 5141.130in all Ages and Countries in the World. With a Description of the most
 5684.64on Animalcules; or, the Invisible World, as revealed by the Microscope. Second
3  world's 
 1092.340how largely extinction has acted in the world's history, geology plainly declares
 2624.49of each successive period in the world's history have beaten their predecessors
 3410.93and utterly unknown epochs in the world's history. I can answer these questions
1  world—on 
 2398.307in the forms of life throughout the world—On the affinities of extinct species to
15  worlds 
 1171.382of the caves of the Old and New Worlds should be closely related, we might
 2472.1039which are common to the Old and New Worlds be kept wholly out of view, the general
 2637.639is that between the New and Old Worlds; yet if we travel over the vast
 2641.234in the conditions of the Old and New Worlds, how widely different are their living
 2645.326productions of the New and Old Worlds, excepting in the northern parts, where
 2767.538on the lowlands of the Old and New Worlds, would be left isolated on distant
 2783.747productions of the Old and New Worlds are separated from each other by the
 2787.29CHAP. XI. habitants of the Old and New Worlds lived further southwards than at
 2787.1192productions of the Old and New Worlds, at a period anterior to the Glacial
 2789.484and animals, both in the Old and New Worlds, began slowly to migrate southwards as
 2793.720the northern parts of the Old and New Worlds will have been almost continuously
 2795.126common, which inhabited the New and Old Worlds, migrated south of the Polar Circle
 2795.808and on the arctic lands of the two Worlds. Hence it has come, that when we
 2795.927temperate regions of the New and Old Worlds, we find very few identical [page
 4850.9Edition. Fcap. 8vo. 4s. 6d. ——— More Worlds than One. The Creed of the Philosopher
1  worm-like 
 3255.1104yet nearly all pass through a similar worm-like stage of development; but in some few
3  worms 
 699.340epidemics appear to be due to parasitic worms, which have from some cause, possibly
 3588.172insects flitting about, and with worms crawling through the damp earth, and to
 5942.53from A.D. 590 to the Concordat of Worms. A.D. 1123. Vol. 2. 8vo. 18s. ROBINSON
1  wornum 
 6148.0Classes, Third Edition. 12mo. 2s. WORNUM (RALPH). A Biographical Dictionary of
1  worst 
 447.96any one is so careless as to allow his worst animals to breed. In regard to plants
11  worth 
 319.124complex and diversified. It is well worth while carefully to study the several
 441.366would be so obvious as hardly to be worth notice; but its importance consists in
 483.243man, has afforded us a single plant worth culture. It is not that these countries
 570.191slight varieties as are barely thought worth recording in works on natural history
 616.43is one other point which seems to me worth notice. Varieties generally have much
 1070.6new sub-genera and genera. It is worth while to reflect for a moment on the
 2259.19similar conclusion. One remark is here worth a passing notice. During periods of
 2299.27chapter. One other consideration is worth notice: with animals and plants that
 2307.497against my views. Hence it will be worth while to sum up the foregoing remarks
 2502.54remark connected with this subject worth making. I have given my reasons for
 3129.10orders, and classes. It may be worth while to illustrate this view of
1  worthies 
 4800.17Post 8vo. 6s. 6d. ——— (JOHN) Naval Worthies of Queen Elizabeth's Reign, their
1  worthless 
 295.426Many exotic plants have pollen utterly worthless, in the same exact condition as in the
5  worthy 
 1018.1382variety, such as would be thought worthy of record in a systematic work. The
 2267.210two palæontologists, whose opinions are worthy of much deference, namely Bronn and
 3255.861and again in spiders, "there is nothing worthy to be called a metamorphosis." The
 3446.87they think sufficiently distinct to be worthy of record in systematic works. No one
 3558.830varieties may hereafter be thought worthy of specific names, as with the primrose
488  would 
 240.211on this subject, with a request that I would forward it to Sir Charles Lyell, who
 250.441a conclusion, even if well founded, would be unsatisfactory, until it could be
 252.41author of the 'Vestiges of Creation' would, I presume, say that, after a certain
 258.251animals and of cultivated plants would offer the best chance of making out
 305.490if any of the young had varied, all would probably have varied in the same manner
 325.833way of viewing the whole subject, would be, to look at the inheritance of every
 333.462so often and so boldly been made. There would be great difficulty in proving its
 333.773nearly perfect reversion had ensued. It would be quite necessary, in order to prevent
 337.391in which case, however, some effect would have to be attributed to the direct
 337.469action of the poor soil), that they would to a large extent, or even wholly
 337.577stock. Whether or not the experiment would succeed, is not of great importance for
 337.1375almost infinite number of generations, would be opposed to all experience. I may add
 345.263This point, if it could be cleared up, would be interesting; if, for instance, it
 349.158of any single species, then such facts would have great weight in making us doubt
 351.370he first tamed an animal, whether it would vary in succeeding generations, and
 351.423succeeding generations, and whether it would endure other climates? Has the little
 351.906generations under domestication, they would vary on an average as largely as the
 383.136he were told that they were wild birds, would certainly, I think, be ranked by him as
 383.254I do not believe that any ornithologist would place [page] 23 CHAP. I. DOMESTIC
 425.278life, and some little to habit; but he would be a bold man who would account by such
 425.302habit; but he would be a bold man who would account by such agencies for the
 435.931breeders have done for sheep, says:—"It would seem as if they had chalked out upon a
 435.1134say, with respect to pigeons, that "he would produce any given feather in three
 435.1189given feather in three years, but it would take him six years to obtain head and
 441.330and breeding from it, the principle would be so obvious as hardly to be worth
 441.978qualities, he will assuredly fail. Few would readily believe in the natural capacity
 455.1119attended to by the lowest savages. It would, indeed, have been a strange fact, had
 461.53process, continued during centuries, would improve and modify any breed, in the
 471.198to them, for any special purpose, would be carefully preserved during famines
 471.319are so liable, and such choice animals would thus generally leave more offspring
 471.412ones; so that in this case there would be a kind of unconscious selection
 477.371or with their parent-stocks. No one would ever expect to get a first-rate
 477.468from the seed of a wild plant. No one would expect to raise a first-rate melting
 485.321different constitutions or structure, would often succeed better in the one country
 491.69in some slight degree by nature. No man would ever try to make a fantail, till he saw
 491.355it first appeared, the more likely it would be to catch his attention. But to use
 491.617what the descendants of that pigeon would become through long-continued, partly
 493.61that some great deviation of structure would be necessary to catch the fancier's eye
 493.264possession. Nor must the value which would formerly be set on any slight
 493.384be judged of by the value which would now be set on them, after several
 530.79fur of an animal from far northwards, would not in some cases be inherited for at
 530.192in this case I presume that the form would be called a variety. Again, we have
 532.1009that the most experienced naturalist would be surprised at the number of the cases
 532.1573the great central ganglion of an insect would have been variable in the same species
 552.11CHAP. II. DOUBTFUL SPECIES. be doubted would be ranked as distinct species by many
 576.406in numbers the parent species, it would then rank as the species, and the
 596.154of the larger genera in each country would oftener present varieties, than the
 596.623we might expect that the circumstances would generally be still favourable to
 602.907increasing; for if this had been so, it would have been fatal to my theory; inasmuch
 653.352of geometrical increase, its numbers would quickly become so inordinately great
 657.85all cannot do so, for the world would not hold them. There is no exception
 659.131rate, that if not destroyed, the earth would soon be covered by the progeny of a
 659.292rate, in a few thousand years, there would literally not be standing room for his
 659.545and so on, then in twenty years there would be a million plants. The elephant is
 659.956at the end of the fifth century there would be alive fifteen million elephants
 661.567had not been well authenticated, they would have been quite incredible. So it is
 667.240at a geometrical ratio, that all would most rapidly stock every station in
 667.650in a state of nature an equal number would have somehow to be disposed of. The
 669.158few, is, that the slow-breeders would require a few more years to people
 673.1068or the species will become extinct. It would suffice to keep up the full number of a
 681.1468which has long been mown, and the case would be the same with turf closely browsed
 687.525if no vermin were destroyed, there would, in all probability, be less game than
 711.910barren and so extensive that no one would ever have imagined that cattle would
 711.947would ever have imagined that cattle would have so closely and effectually
 713.767were to increase in Paraguay, the flies would decrease—then cattle and horses would
 713.805would decrease—then cattle and horses would become feral, and this would certainly
 713.834and horses would become feral, and this would certainly greatly alter (as [page
 717.77America) the vegetation: this again would largely affect the insects; and this
 717.606though assuredly the merest trifle would often give the victory to one organic
 723.63England, the heartsease and red clover would become very rare, or wholly disappear
 747.372of constitution with respect to climate would clearly be an advantage to our plant
 770.138advantage, however slight, over others, would have the best chance of surviving and
 770.294variation in the least degree injurious would be rigidly destroyed. This preservation
 770.474Variations neither useful nor injurious would not be affected by natural selection
 770.522be affected by natural selection, and would be left a fluctuating element, as
 772.201proportional numbers of its inhabitants would almost immediately undergo a change
 772.539of the change of climate itself, would most seriously affect many of the
 772.638were open on its borders, new forms would certainly immigrate, and this also
 772.679certainly immigrate, and this also would seriously disturb the relations of some
 772.1059places in the economy of nature which would assuredly be better filled up, if some
 776.7NATURAL SELECTION. CHAP. IV. places would have been seized on by intruders. In
 776.256them to their altered conditions, would tend to be preserved; and natural
 776.306to be preserved; and natural selection would thus have free scope for the work of
 778.280to have undergone a change, and this would manifestly be favourable to natural
 778.1189structure or habits of one inhabitant would often give it an advantage over others
 778.1284further modifications of the same kind would often still further increase the
 792.545at some period of their lives, would increase in countless numbers; they are
 796.403of an animal of any particular colour would produce little effect: we should
 796.1200in a state of nature, where the trees would have to struggle with other trees and
 796.1285a host of enemies, such differences would effectually settle which variety
 804.1704injurious: for if they became so, they would cause the extinction of the species
 810.1120advantage, the process of modification would be very slow, and there would be
 810.1150would be very slow, and there would be simultaneously the most rigorous
 810.1308hardest beaks, for all with weak beaks would inevitably perish: or, more delicate
 816.618sex. A hornless stag or spurless cock would have a poor chance of leaving offspring
 828.124to their male offspring. Yet, I would not wish to attribute all such sexual
 828.701tuft appeared under domestication, it would have been called a monstrosity
 830.646that the swiftest and slimmest wolves would have the best chance of surviving, and
 836.696benefited an individual wolf, it would have the best chance of surviving and
 836.780of leaving offspring. Some of its young would probably inherit the same habits or
 836.908a new variety might be formed which would either supplant or coexist with the
 836.1064and those frequenting the lowlands, would naturally be forced to hunt different
 836.1254might slowly be formed. These varieties would cross and blend where they met; but to
 842.340this case insects in seeking the nectar would get dusted with pollen, and would
 842.374would get dusted with pollen, and would certainly often transport the pollen
 842.526individuals of the same species would thus get crossed; and the act of
 842.652hereafter be more fully alluded to), would produce very vigorous seedlings, which
 842.710vigorous seedlings, which consequently would have the best chance of flourishing and
 842.791and surviving. Some of these seedlings would probably inherit the nectar-excreting
 842.942and which excreted most nectar, would be oftenest visited by insects, and
 842.984be oftenest visited by insects, and would be oftenest crossed; and so in the long
 842.1034crossed; and so in the long-run would gain the upper hand. Those flowers
 842.1292of their pollen from flower to flower, would likewise be favoured or selected. We
 842.1908and had larger and larger anthers, would be selected. [page] 93 CHAP. IV
 846.173highly attractive to insects, they would, unintentionally on their part
 846.1757labour;" hence we may believe that it would be advantageous to a plant to produce
 850.389separation of the sexes of our plant would be advantageous on the principle of the
 850.511this tendency more and more increased, would be continually favoured or selected
 850.603last a complete separation of the sexes would be effected. Let us now turn to the
 852.787so that an individual so characterised would be able to obtain its food more quickly
 852.913leaving descendants. Its descendants would probably inherit a tendency to a
 876.19CHAP. IV. supposed that bees would thus produce a multitude of hybrids
 912.885that whatever intercrossing took place would be chiefly between the individuals of
 922.459of the same species, which otherwise would have inhabited the surrounding and
 970.1182and in a greater degree; but this alone would never account for so habitual and large
 976.631bulky horses. The early differences would be very slight; in the course of time
 976.789ones by others, the differences would become greater, and would be noted as
 976.815differences would become greater, and would be noted as forming two sub-breeds
 976.911the lapse of centuries, the sub-breeds would become converted into two well
 982.755animal became, the more places they would be enabled to occupy. What applies to
 982.1670including its modified descendants, would succeed in living on the same piece of
 986.135varieties of any one species of grass would always have the best chance of
 994.147in becoming naturalised in any land would generally have been closely allied to
 994.362been expected that naturalised plants would have belonged to a few groups more
 996.218idea in what manner some of the natives would have had to be modified, in order to
 996.426amounting to new generic differences, would have been profitable to them. The
 1018.1365a fairly well-marked variety, such as would be thought worthy of record in a
 1020.109each a thousand generations; but it would have been better if each had
 1038.91the successive generations. This case would be represented in the diagram, if all
 1042.59is probable that more than one species would vary. In the diagram I have assumed
 1090.511to be advantageous to them, I think it would be a most extraordinary fact if no
 1119.974of facts which cannot be here given would be necessary to show the truth of the
 1133.553action of the severe climate? for it would appear that climate has some direct
 1155.440to enlarge or to reduce the wings, would depend on whether a greater number of
 1155.650mariners shipwrecked near a coast, it would have been better for the good swimmers
 1155.751able to swim still further, whereas it would have been better for the bad swimmers
 1159.908advantage; and if so, natural selection would constantly aid the effects of disuse
 1171.118to those of the surrounding country. It would be most difficult to give any rational
 1219.453of descendants with diverse habits, would naturally be thought to be correlated
 1231.1140though effected by slow steps, would be a decided advantage to each
 1231.1306is exposed, each individual Proteolepas would have a better chance of supporting
 1245.1053in the class mammalia; but the rule would not here apply, because there is a
 1245.1131a whole group of bats having wings; it would apply only if some one species of bat
 1251.223out that it applies to plants, and this would seriously have shaken my belief in its
 1269.265flowers and some had red, the colour would be only a specific character, and no
 1269.312only a specific character, and no one would be surprised at one of the blue species
 1269.443species had blue flowers, the colour would become a generic character, and its
 1269.495a generic character, and its variation would be a more unusual circumstance. I have
 1269.638case applicable, which most naturalists would advance, namely, that specific
 1273.58in our chapter on Classification. It would be almost superfluous to adduce
 1287.1316variable; variations of this part would it is highly probable, be taken
 1311.136parent, it might be expected that they would occasionally vary in an analogous
 1311.217so that a variety of one species would resemble in some of its characters
 1311.380variety. But characters thus gained would probably be of an unimportant nature
 1311.735that the species of the same genus would occasionally exhibit reversions to lost
 1315.402and which it does not appear probable would all appear together from simple
 1339.259so much striped that any one at first would have thought that it must have been the
 1339.1448a stripe of colour appears from what would commonly be called an accident, that I
 1351.678of God a mere mockery and deception; I would almost as soon believe with the old and
 1406.158during a long period. Geology would lead us to believe that almost every
 1412.482every species, even in its metropolis, would increase immensely in numbers, were it
 1418.578varieties in the genus Balanus. And it would appear from information given me by Mr
 1420.40For any form existing in lesser numbers would, as already remarked, run a greater
 1420.197particular case the intermediate form would be eminently liable to the inroads of
 1442.315transitional state have subsisted? It would be easy to show that within the same
 1446.241into a flying bat, the question would have been far more difficult, and I
 1454.33become modified, and all analogy would lead us to believe that some at least
 1454.94that some at least of the squirrels would decrease in numbers or become
 1456.932as the organs of flight are concerned, would convert it into a bat. In bats which
 1458.73had become extinct or were unknown, who would have ventured to have [page
 1464.476animals. If this had been effected, who would have ever imagined that in an early
 1470.303that fishes capable of true flight would have been developed under many
 1472.144species. When either case occurs, it would be easy for natural selection to fit
 1478.213on my theory, that such individuals would occasionally have given rise to new
 1484.140when unwillingly it takes flight, would be mistaken by any one for an auk or
 1484.379the dead body of the water-ouzel would never have suspected its sub-aquatic
 1516.159slight modifications, my theory would absolutely break down. But I can find
 1536.1095than have sessile cirripedes, who would ever have imagined that the branchiæ in
 1546.602have expected that all electric fishes would have been specially related to each
 1560.135being, to say what slight modifications would be of importance or not. In a former
 1560.1042themselves from these small enemies, would be able to range into new pastures and
 1580.440breeds; and a mountainous country would probably affect the hind limbs from
 1580.625the front limbs and even the head would probably be affected. The shape, also
 1580.807breathing necessary in high regions would, we have some reason to believe
 1580.900of the chest; and again correlation would come into play. Animals kept by savages
 1580.1023struggle for their own subsistence, and would be exposed to a certain extent to
 1580.1136with slightly different constitutions would succeed best under different climates
 1580.1437by certain plants; so that colour would be thus subjected to the action of
 1584.406on copious details my reasoning would appear frivolous. The foregoing
 1586.343mere variety. This doctrine, if true, would be absolutely fatal to my theory. Yet I
 1596.179exclusive good of another species, it would annihilate my theory, for such could
 1596.664namely, to warn its prey to escape. I would almost as soon believe that the cat
 1649.102chapters; but I have thought that it would be more convenient to treat the subject
 1651.50attempt any definition of instinct. It would be easy to show that several distinct
 1661.434to have done so instinctively. But it would be the most serious error to suppose
 1675.110interval, I felt sure that the aphides would want to excrete. I watched them for
 1697.170but this, I think, is not true. No one would ever have thought of teaching, or
 1697.750It may be doubted whether any one would have thought of training a dog to point
 1697.1078training in each successive generation would soon complete the work; and unconscious
 1717.153sit on her own eggs, those first laid would have to be left for some time
 1717.211for some time unincubated, or there would be eggs and young birds of different
 1717.455period; and the first hatched young would probably have to be fed by the male
 1717.1471the old birds or the fostered young would gain an advantage. And analogy would
 1717.1508would gain an advantage. And analogy would lead me to believe, that the young thus
 1717.1561to believe, that the young thus reared would be apt to follow by inheritance the
 1717.1668of their mother, and in their turn would be apt to lay their eggs in other birds
 1725.321the pollen-collecting apparatus which would be necessary if they had to store food
 1731.253slaves; without their aid, the species would certainly become extinct in a single
 1731.1266known of any other slave-making ant, it would have been hopeless to have speculated
 1757.331the ants thus unintentionally reared would then follow their proper instincts, and
 1763.641with fitting tools and measures, would find it very difficult to make cells of
 1767.1751of nearness to each other, that they would have intersected or broken into each
 1773.237a double layer, the resulting structure would probably have been as perfect as the
 1781.158themselves not very wonderful, this bee would make a structure as wonderfully perfect
 1781.322spherical, and of equal sizes; and this would not be very surprising, seeing that she
 1789.382same depth as in the former experiment, would have broken into each other from the
 1803.343the construction of the cells; but it would be a great error to suppose that the
 1813.826met at an angle, how often the bees would entirely pull down and rebuild in
 1819.1015any such case has been observed; nor would any good be derived from a single
 1819.1114as in its construction more materials would be required than for a cylinder. As
 1825.1011can in this case be no doubt that it would be an advantage to our humble-bee, if a
 1825.1219in common even to two adjoining cells, would save some little wax. Hence it would
 1825.1256would save some little wax. Hence it would continually be more and more
 1825.1520of the bounding surface of each cell would serve to bound other cells, and much
 1825.1567to bound other cells, and much wax would be saved. Again, from the same cause
 1825.1614saved. Again, from the same cause, it would be advantageous to the Melipona, if she
 1825.1797as we have seen, the spherical surfaces would wholly disappear, and would all be
 1825.1825surfaces would wholly disappear, and would all be replaced by plane surfaces; and
 1829.0page] 235 CHAP. VII. NEUTER INSECTS. would make a comb as perfect as that of the
 1839.1042the workers and the perfect females, would have been far better exemplified by the
 1877.290for had they been fertile, they would have intercrossed, and their instincts
 1877.349and their instincts and structure would have become blended. And nature has, as
 1924.595pollen; and I am convinced that this would be injurious to their fertility
 1924.1285though probably on the same plant, would be thus effected. Moreover, whenever
 1924.1403so careful an observer as Gärtner would have castrated his hybrids, and this
 1924.1446have castrated his hybrids, and this would have insured in each generation a cross
 1942.251believes to be the case, the fact would have been notorious to nurserymen
 1948.639least tendency to sterility, the breed would assuredly be lost in a very few
 1956.769whether the several aboriginal species would at first have freely bred together and
 1966.903never have produced, and probably never would produce, even with the pollen of either
 1966.1173to wither earlier than it otherwise would have done; and the early withering of
 2000.295all of which we must suppose it would be equally important to keep from
 2022.567the male element reaching the ovule, as would be the case with a plant having a
 2080.161variety if infertile in any degree would generally be ranked as species; from
 2094.351we might expect that such variability would often continue and be super-added to
 2110.724the perfect character of either parent would be more likely to occur with mongrels
 2112.320by secondary laws, this similarity would be an [page] 276 HYBRIDISM. CHAP. VIII
 2149.1103evidence regarding their origin, it would not have been possible to have [page
 2157.227existed between them. But such a case would imply that one form had remained for a
 2213.543than elsewhere, the above estimate would be erroneous; but this source of doubt
 2213.597but this source of doubt probably would not greatly affect the estimate as
 2213.968on the subject, assume that the sea would eat into cliffs 500 feet in height at
 2213.1324any rock, even as soft as chalk, would yield at this rate excepting on the
 2213.1436doubt the degradation of a lofty cliff would be more rapid from the breakage of the
 2217.45inch per century for the whole length would be an ample allowance. At this rate, on
 2219.119could hardly have been great, but it would somewhat reduce the above estimate. On
 2219.413for perhaps equally long periods, it would, likewise, have escaped the action of
 2235.699confined to these large territories, would never have suspected that during the
 2267.569in the middle of any formation, it would be rash in the extreme to infer that it
 2267.750layers have been deposited, it would be equally rash to suppose that it then
 2281.3near their upper or lower limits. It would seem that each separate formation, like
 2285.417yet no one ignorant of this fact would have suspected the vast lapse of time
 2285.956during the process of deposition, which would never even have been suspected, had not
 2285.1629any one geological period, a section would not probably include all the fine
 2291.555intermediate between B and C, it would simply be ranked as a third and
 2299.1046to new species; and this again would greatly lessen the chance of our being
 2307.171groups less wide than they otherwise would have been, yet has done scarcely
 2311.120have ever lived there, how imperfectly would they represent the natural history of
 2313.88productions of the archipelago would be preserved in an excessively
 2313.311which lived on naked submarine rocks, would be embedded; and those embedded in
 2313.368and those embedded in gravel or sand, would not endure to a distant epoch. Wherever
 2315.250subsidence. These periods of subsidence would be separated from each other by
 2315.330intervals, during which the area would be either stationary or rising; whilst
 2315.412rising, each fossiliferous formation would be destroyed, almost as soon as
 2315.579During the periods of subsidence there would probably be much extinction of life
 2315.661during the periods of elevation, there would be much variation, but the geological
 2315.712variation, but the geological record would then be least perfect. It may be
 2317.178accumulation of sediment, would exceed the average duration of the same
 2321.171fully preserved, transitional varieties would merely appear as so many distinct
 2321.279that each great period of subsidence would be interrupted by oscillations of level
 2321.359level, and that slight climatal changes would intervene during such lengthy periods
 2321.458the inhabitants of the archipelago would have to migrate, and no closely
 2323.145and analogy leads me to believe that it would be chiefly these far-ranging species
 2323.194chiefly these far-ranging species which would oftenest produce new varieties; and the
 2323.250new varieties; and the varieties would at first generally be local or confined
 2323.397further modified and improved, they would slowly spread and supplant their parent
 2323.511to their ancient homes, as they would differ from their former state, in a
 2323.615perhaps extremely slight degree, they would, according to the principles followed
 2325.510different stages of the same formation, would, by most palæonto- [page
 2331.464started into life all at once, the fact would be fatal to the theory of descent with
 2337.335organisms, a comparatively short time would be necessary to produce many divergent
 2337.393to produce many divergent forms, which would be able to spread rapidly and widely
 2345.687during the secondary periods, they would certainly have been preserved and
 2351.596of the chalk formation, the fact would certainly be highly remarkable; but I
 2351.659remarkable; but I cannot see that it would be an insuperable difficulty on my
 2351.1532the tropical parts of the Indian Ocean would form a large and perfectly enclosed
 2355.10OF THE CHAP. IX. here they would remain confined, until some of the
 2357.410beings throughout the world, as it would be for a naturalist to land for five
 2363.66the progenitors of these orders, they would almost certainly have been long ago
 2375.443palæozoic and secondary formations would in all probability have been
 2379.10CHAP. IX. GEOLOGICAL RECORD. tear; and would have been at least partially upheaved
 2420.445not be identically the same; for both would almost certainly inherit different
 2424.263pigeon, for the newly-formed fantail would be almost sure to inherit from its new
 2428.184explanation of this fact, which if true would have been fatal to my views. But such
 2434.490Barrande, &c., whose general views would naturally lead them to this conclusion
 2444.238but in some degree rare, no naturalist would have felt the least surprise at its
 2444.852under more favourable conditions it would in a very few years have stocked the
 2444.1282the fact, yet the fossil horse would certainly have become rarer and rarer
 2472.1201palæozoic and tertiary periods, would still be manifest, and the several
 2474.452to their geological position, no one would have suspected that they had coexisted
 2480.582Australia, the most skilful naturalist would hardly be able to say whether the
 2480.1080day on the shores of North America would hereafter be liable to be classed with
 2480.1550found in the older underlying deposits, would be correctly ranked as simultaneous in
 2488.340the other forms in their own country, would naturally oftenest give rise to new
 2492.145of other species, should be those which would have the best chance of spreading still
 2492.484succeed in spreading. The diffusion would, it is probable, be slower with the
 2494.147course, or even their existence, would cease. We know not at all precisely
 2494.482with many already existing forms, would be highly favourable, as would be the
 2494.513forms, would be highly favourable, as would be the power of spreading into new
 2494.635recurring at long intervals of time, would probably be also favourable, as before
 2494.990their inhabitants met, the battle would be prolonged and severe; and some from
 2498.57the highest degree, wherever produced, would tend everywhere to prevail. As they
 2498.115to prevail. As they prevailed, they would cause the extinction of other and
 2498.199forms; and as these inferior forms would be allied in groups by inheritance
 2498.254in groups by inheritance, whole groups would tend slowly to disappear; though here
 2506.658in the forms of life; but the species would not exactly correspond; for there will
 2512.427of the form of life, and the order would falsely appear to be strictly parallel
 2512.498parallel; nevertheless the species would not all be the same in the apparently
 2520.371classification many fossil species would have to stand between living species
 2520.766ancient members of the same two groups would be distinguished by a somewhat lesser
 2522.296the course of geological ages; and it would be difficult to prove the truth of the
 2536.234existing families on the uppermost line would be rendered less distinct from each
 2536.379were disinterred, these three families would be so closely linked together that they
 2536.434linked together that they probably would have to be united into one great family
 2536.693together, intermediate in character, would be justified, as they are intermediate
 2536.1079hand (namely, a14, &c., and b14, &c.) would have to be united into one family; and
 2536.1210including five genera, and o14 to m14) would yet remain distinct. These two families
 2536.1266distinct. These two families, however, would be less distinct from each other than
 2540.201genera, at the early period marked VI., would differ by a lesser number of characters
 2556.618be in serial affinity, this arrangement would not closely accord with the order in
 2570.391quarter, the eocene fauna or flora would certainly be beaten and exterminated
 2570.438be beaten and exterminated; as would a secondary fauna by an eocene, and a
 2570.1200of time a multitude of British forms would become thoroughly naturalized there
 2570.1247thoroughly naturalized there, and would exterminate many of the natives. On the
 2570.1573whether any considerable number would be enabled to seize on places now
 2578.477the same groups at the present day, it would be vain to look for animals having the
 2586.101types within the same areas mean? He would be a bold man, who after comparing the
 2586.230South America under the same latitude, would attempt to account, on the one hand, by
 2596.1118out and have left no progeny. Or, which would probably be a far commoner case, two or
 2637.390conclusion. The case of America alone would almost suffice to prove its truth: for
 2643.219similar in all their conditions, yet it would not be possible to point out three
 2681.1042to one area. What a strange anomaly it would be, if, when coming one step lower in
 2687.244migrated thence as far as it could. It would be hopelessly tedious to discuss all
 2693.396few hundreds of miles from a continent, would probably receive from it in the course
 2693.506and their descendants, though modified, would still be plainly related by inheritance
 2711.1013the land, some at least of the islands would have been formed, like other mountain
 2717.1708by sea-currents during 28 days, and would retain their power of germination. In
 2721.214favourable spot by an inland gale, they would germinate. Subsequently to my
 2723.373which live near the sea; and this would have favoured the average length of
 2723.608the fruit; and this, as we have seen, would have caused some of them to have
 2723.818doubt that plants exposed to the waves would float for a less time than those
 2723.925as in our experiments. Therefore it would perhaps be safer to assume that the
 2723.1096a space of sea 900 miles in width, and would then germinate. The fact of the larger
 2731.293such circumstances their rate of flight would often be 35 miles an hour; and some
 2741.317that the earth adhering to their feet would sometimes include a few minute seeds
 2749.10DISTRIBUTION, CHAP. XI. years, it would I think be a marvellous fact if many
 2749.344that scarcely any means of transport would carry seeds for very great distances
 2749.584of birds. These means, however, would suffice for occasional transport across
 2749.827The floras of distant continents would not by such means become mingled in any
 2749.891become mingled in any great degree; but would remain as distinct as we now see them
 2749.975to be. The currents, from their course, would never bring seeds from North America to
 2749.1529accident. Even in this case, how small would the chance be of a seed falling on
 2749.1618soil, and coming to maturity! But it would be a great error to argue that because
 2749.1742has not, as far as is known (and it would be very difficult to prove this
 2753.138standing more remote from the mainland, would not receive colonists by similar means
 2753.328than Britain, scarcely more than one would be so well fitted to its new home, as
 2753.458me, is no valid argument against what would be effected by occasional means of
 2753.780every seed, which chanced to arrive, would be sure to germinate and survive
 2761.476more temperate inhabitants, the latter would be supplanted and arctic productions
 2761.519be supplanted and arctic productions would take their places. The inhabitants of
 2761.590of the more temperate regions would at the same time travel southward
 2761.688stopped by barriers, in which case they would perish. The mountains would become
 2761.716case they would perish. The mountains would become covered with snow and ice, and
 2761.792and their former Alpine inhabitants would descend to the plains. By the time that
 2765.111temperate regions of the United States would likewise be covered by arctic plants
 2765.177by arctic plants and animals, and these would be nearly the same with those of Europe
 2767.41the warmth returned, the arctic forms would retreat northward, closely followed up
 2767.226of the mountains, the arctic forms would seize on the cleared and thawed ground
 2767.546the lowlands of the Old and New Worlds, would be left isolated on distant mountain
 2817.908period simultaneously cooler. But it would suffice for my purpose, if the
 2839.1765even crossed the equator. The invasion would, of course, have been greatly favoured
 2845.304warmth returned, these temperate forms would naturally ascend the higher mountains
 2845.426which had not reached the equator, would re-migrate northward or southward
 2849.71which had crossed the equator, would travel still further from their homes
 2880.134thought that fresh-water productions would not have ranged widely within the same
 2880.266impassable barrier, that they never would have extended to distant countries. But
 2882.301stream; and liability to wide dispersal would follow from this capacity as an almost
 2892.1342at a somewhat more advanced age they would voluntarily drop off. These just
 2892.1596least six or seven hundred miles, and would be sure to alight on a pool or rivulet
 2898.659edges of ponds, if suddenly flushed, would be the most likely to have muddy feet
 2898.852barren islands in the open ocean; they would not be likely to alight on the surface
 2898.926surface of the sea, so that the dirt would not be washed off their feet; when
 2898.985off their feet; when making land, they would be sure to fly to their natural fresh
 2902.147Considering these facts, I think it would be an inexplicable circumstance if
 2904.1055pond and getting a hearty meal of fish, would probably reject from its stomach a
 2910.547from the waters of a foreign country, would have a better chance of seizing on a
 2916.462which, if legitimately followed out, would lead to the belief that within the
 2916.600joined to some continent. This view would remove many difficulties, but it would
 2916.639would remove many difficulties, but it would not, I think, explain all the facts in
 2936.537but still retaining its hooked seeds, would form an endemic species, having as
 2936.943may be, confined ranges. Hence trees would be little likely to reach distant
 2936.1035and an herbaceous plant, though it would have no chance of successfully
 2936.1324other plants. If so, natural selection would often tend to add to the stature of
 2942.913water, on my view we can see that there would be great difficulty in their
 2942.1115should not have been created there, it would be very difficult to explain. Mammals
 2960.696for on this latter view the migration would probably have been more complete; and
 2960.791be admitted, all the forms of life would have been more equally modified, in
 2966.606efficient means for their transportal. Would the just-hatched young occasionally
 2972.1805is obvious that the Galapagos Islands would be likely to receive colonists, whether
 2976.110from Africa; and that such colonists would be liable to modification;—the
 2984.679situated so near each other that they would almost certainly receive immigrants
 2988.426spread from one island to another, it would undoubtedly be exposed to different
 2988.520life in the different islands, for it would have to compete with different sets of
 2988.599of organisms: a plant, for instance, would find the best-fitted ground more
 2988.714in one island than in another, and it would be exposed to the attacks of somewhat
 2988.814If then it varied, natural selection would probably favour different varieties in
 2994.752we are apt to infer that most species would thus spread; but we should remember
 3004.47mountain, as it became slowly upheaved, would naturally be colonised from the
 3006.479this rule is generally true, though it would be difficult to prove it. Amongst
 3010.467a little greater, the two varieties would have been ranked as distinct species
 3010.532distinct species, and the common range would have been greatly reduced. Still less
 3032.1630of varying more or less rapidly, there would ensue in different regions
 3032.1757diversified conditions of life,—there would be an almost endless amount of organic
 3057.277constellations. The existence of groups would have been of simple signification, if
 3075.487of each being in the economy of nature, would be of very high importance in
 3089.770this external and trifling character would, I think, have been considered by
 3127.284had been written in a linear series, it would have been still less possible to have
 3129.192arrangement of the races of man would afford the best classification of the
 3129.408had to be included, such an arrangement would, I think, be the only possible one. Yet
 3129.846in the languages from the same stock, would have to be expressed by groups
 3129.955or even only possible arrangement would still be genealogical; and this would
 3129.993would still be genealogical; and this would be strictly natural, as [page
 3133.3CHAP. XIII. CLASSIFICATION. it would connect together all languages, extinct
 3133.92modern, by the closest affinities, and would give the filiation and origin of each
 3135.1392pedigree, a genealogical classification would be universally preferred; and it has
 3135.1570the principle of inheritance would keep the forms together which were
 3139.430descended from the Negro, I think he would be classed under the Negro group
 3145.467of a bear? According to all analogy, it would be ranked with bears; but then
 3145.559other species of the kangaroo family would have to be classed under the bear genus
 3173.953and Lepidosiren, for example, would not have been less aberrant had each
 3191.211were suddenly to reappear, though it would be quite impossible to give definitions
 3191.326distinguished from other groups, as all would blend together by steps as fine as
 3191.486or at least a natural arrangement, would be possible. We shall see this by
 3191.954the finest varieties. In this case it would be quite impossible to give any
 3191.1215the natural arrangement in the diagram would still hold good; and, on the principle
 3191.1319the forms descended from A, or from I, would have something in common. In a tree we
 3233.187flowers as metamorphosed leaves; but it would in these cases probably be more correct
 3237.137numerous characters, which they would probably have retained through
 3267.47a little earlier or later in life. It would not signify, for instance, to a bird
 3277.562in length and form of beak, that they would, I cannot doubt, be ranked in distinct
 3291.305faced tumbler) the young or embryo would closely [page] 448 EMBRYOLOGY. CHAP
 3295.397earliest age, we can see that this would result from the two following
 3295.722their parents; for in this case, it would be indispensable for the existence of
 3295.1728of locomotion or of the senses, &c., would be useless; and in this case the final
 3295.1787in this case the final metamorphosis would be said to be retrograde. As all the
 3301.208perfect, the only possible arrangement, would be genealogical. Descent being on my
 3323.493no trace of an organ, which analogy would lead us to expect to find, and which is
 3331.598merely a restatement of the fact. Would it be thought sufficient to say that
 3337.1280and in this case natural selection would continue slowly to reduce the organ
 3343.813to be possible) the rudimentary part would tend to be wholly lost, and we should
 3442.125might have expected that organic beings would have varied under nature, in the same
 3442.299be any variability under nature, it would be an unaccountable fact if natural
 3448.210excessively complex relations of life, would be preserved, accumulated, and
 3460.187in increasing in size, for the world would not hold them, the more dominant groups
 3482.36and therefore these same characters would be more likely still to be variable
 3490.362varieties. On the other hand, these would be strange facts if species have been
 3530.744geological record is so perfect that it would have afforded us plain evidence of the
 3552.8an equal or lesser number. Analogy would lead me one step further, namely, to
1  wounds 
 816.1252day long; male stag-beetles often bear wounds from the huge mandibles of other males
2  wreck 
 1155.857to swim at all and had stuck to the wreck. [page] 137 CHAP. V. USE AND DISUSE
 2962.338as halting-places, of which not a wreck now remains, must not be over- [page
2  wrecks 
 1171.770Europe, I am only surprised that more wrecks of ancient life have not been preserved
 2711.892favour the admission that they are the wrecks of sunken continents;—if they had
2  wrens 
 1885.521British thrush: how it is that the male wrens (Troglodytes) of North America, build
 4589.0changing simultaneously thoughout, 322. Wrens, nest of, 243. Y. Youatt, Mr., on
1  writer 
 968.356I quote the words of an agricultural writer) "as if by some murderous pestilence
7  writers 
 321.475thrown on this principle by theoretical writers alone. When a [page] 13 CHAP. I. UNDER
 455.398down by some of the Roman classical writers. From passages in Genesis, it is clear
 1898.468been much underrated by some late writers. On the theory of natural selection the
 2520.5distinct groups as they now are. Some writers have objected to any extinct species or
 4650.45S (SARAH) Fragments from German Prose Writers. With Biographical Notes. Post 8vo. 10s
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7  writings 
 878.769contrivances, as I could show from the writings of C. C. Sprengel and from my own
 1552.487We meet with this admission in the writings of almost every experienced naturalist
 3081.1067has been most fully acknowledged in the writings of almost every author. It will suffice
 4814.74the proper understanding of the Mosaic Writings, stated and applied, together with an
 4816.35d. ——— Undesigned Coincidences in the Writings of the Old and New Testament, an
 5704.53Essay on the Character, Actions, and Writings of the-Duke of Wellington. Second
 5934.65Works, With a Notice of his Life and Writings. By J. R. M'CULLOCH. New Edition. 8vo
11  written 
 1333.48that Colonel Hamilton Smith, who has written on this subject, believes that the
 2235.261When we see the formations tabulated in written works, or when we follow them in nature
 2385.1317of the world imperfectly kept, and written in a changing dialect; of this history
 2389.149in which the history is supposed to be written, being more or less different in the
 3127.253only the names of the groups had been written in a linear series, it would have been
 3147.709by our best systematists. We have no written pedigrees; we have to make out
 3271.220varieties. Some authors who have written on Dogs, maintain that the greyhound
 5264.6Second Edition. 8vo. 9s. 6d. ——. Hymns written and adapted for the weekly Church
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2  wrote 
 1773.316the comb of the hive-bee. Accordingly I wrote to Professor Miller, of Cambridge, and
 2743.785epoch. At my request Sir C. Lyell wrote to M. Hartung to inquire whether he had