Life of Charles Darwin, 1권W. Scott, 1887 - 175페이지 |
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61 페이지
... essay , " enjoy the high satisfaction of contributing to the per- fection of the history of this wonderful world . ” Meanwhile Darwin had been carrying on a great re- search on the very peculiar order of crustacea , termed Cirripedia ...
... essay , " enjoy the high satisfaction of contributing to the per- fection of the history of this wonderful world . ” Meanwhile Darwin had been carrying on a great re- search on the very peculiar order of crustacea , termed Cirripedia ...
72 페이지
... Essay on Population ; ' and the idea of natural selection through the struggle for existence at once occurred to me . Of all the subordinate points in the theory , the last which I understood was the cause of the tendency in the ...
... Essay on Population ; ' and the idea of natural selection through the struggle for existence at once occurred to me . Of all the subordinate points in the theory , the last which I understood was the cause of the tendency in the ...
73 페이지
... Essay on Population " con- tained , were exchanged for the bright view of perpetual progress and improvement as being ... Essays " ( first series , 1858 ) , argued that species have been modified owing to change of cir- cumstances ...
... Essay on Population " con- tained , were exchanged for the bright view of perpetual progress and improvement as being ... Essays " ( first series , 1858 ) , argued that species have been modified owing to change of cir- cumstances ...
74 페이지
... Essay to the " Flora Nova Zelandia , " dated November , 1853 , in which he discusses among other questions , " The Limits of Species ; their Dispersion and Variation . " While still adhering on the whole to 74 LIFE OF.
... Essay to the " Flora Nova Zelandia , " dated November , 1853 , in which he discusses among other questions , " The Limits of Species ; their Dispersion and Variation . " While still adhering on the whole to 74 LIFE OF.
75 페이지
... essay he makes the following statements : " Mr. Darwin not only directed my earliest studies in the subjects of the distri- bution and variation of species , but has discussed with me all the arguments , and drawn my attention to many ...
... essay he makes the following statements : " Mr. Darwin not only directed my earliest studies in the subjects of the distri- bution and variation of species , but has discussed with me all the arguments , and drawn my attention to many ...
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admirable animals and plants appeared Asa Gray atolls barrier-reefs beauty believe botanist branches breeds Cambridge cause changes chapter character Charles Darwin Charles Robert Cirripedia conclusions Coral Reefs creatures Darwinian Descent described developed doctrine domestic Edinburgh Erasmus Erasmus Darwin essay evolution expressed extinct eyes facts favour fertilised flowers forms fossil Francis Darwin Geological Observations ground H.M.S. Beagle habits Hooker ideas imagination insects instincts interesting islands John Herschel Joseph Skipsey Jour Journal Lamarck Linnean Society living London Lyell man's ment mental mind modification movements natural history natural selection naturalist orchids organic Origin of Species Pangenesis period pigeons pollen masses produced published races remarkable Review Royal Society says scientific second edition seeds South America structure struggle for existence succession sun-dew T. H. Huxley tendril theory thought tion Variation varieties views visits volcanic voyage Wedgwood worms young Zoological
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94 페이지 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
65 페이지 - When on board HMS Beagle, as naturalist, I was much struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of the present to the past inhabitants of that continent.
93 페이지 - When we no longer look at an organic being as a savage looks at a ship, as something wholly beyond his comprehension; when we regard every production of nature as one which has had a long history...
122 페이지 - The astonishment which I felt on first seeing a party of Fuegians on a wild and broken shore will never be forgotten by me, for the reflection at once rushed into my mind— such were our ancestors.
82 페이지 - Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found it so — than constantly to bear this conclusion in mind. Yet unless it be thoroughly engrained in the mind, the whole economy of nature, with every fact on distribution, rarity, abundance, extinction, and variation, will be dimly seen or quite misunderstood.
83 페이지 - But on looking closely between the stems of the heath, I found a multitude of seedlings and little trees which had been perpetually browsed down by the cattle. In one square yard, at a point some...
86 페이지 - The limbs divided into great branches, and these into lesser and lesser branches, were themselves once, when the tree was small, budding twigs ; and this connexion of the former and present buds by ramifying branches may well represent the classification of all extinct and living species in groups subordinate to groups.
86 페이지 - ... extinct and living species in groups subordinate to groups. Of the many twigs which flourished when the tree was a mere bush, only two or three, now grown into great branches, yet survive and bear the other branches ; so with the species which lived during long-past geological periods, very few have left living and modified descendants.
152 페이지 - It is a marvelous reflection that the whole of the superficial mould over any such expanse has passed, and will again pass every few years, through the bodies of worms. The plough is one of the most ancient and most valuable of man's inventions; but long before he existed the land...
32 페이지 - Delight itself, however, is a weak term to express the feelings of a naturalist who, for the first time, has wandered by himself in a Brazilian forest.