Life of Charles Darwin, Том 1W. Scott, 1887 - Всего страниц: 175 |
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Стр. 70
... natural selection " and " struggle for existence . " He speaks of a species being rendered more prolific in order to perpetuate its existence ; " but this would perhaps make it press too hard upon other species at other times . Now if ...
... natural selection " and " struggle for existence . " He speaks of a species being rendered more prolific in order to perpetuate its existence ; " but this would perhaps make it press too hard upon other species at other times . Now if ...
Стр. 72
... 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 descendants from a common pro- genitor to ...
... 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 descendants from a common pro- genitor to ...
Стр. 76
... selection from them should be laid before the Linnean Society . " Taken in the order of their dates , they consist ... Natural State ' ; and the second chapter of that part , from which we propose to read to the Society the extracts referred ...
... selection from them should be laid before the Linnean Society . " Taken in the order of their dates , they consist ... Natural State ' ; and the second chapter of that part , from which we propose to read to the Society the extracts referred ...
Стр. 78
... natural selection of the better equipped forms resulting from the struggle for existence , and the influence of sexual selection . Wallace insists on essentially the same view , which he calls that of progression and continued ...
... natural selection of the better equipped forms resulting from the struggle for existence , and the influence of sexual selection . Wallace insists on essentially the same view , which he calls that of progression and continued ...
Стр. 79
... Natural Selection , or the Preser- vation of Favoured Races in the Struggle for Life , " was published in November , 1859. It begins with the simplest narrative of the events leading to its publication , and an apology for the ...
... Natural Selection , or the Preser- vation of Favoured Races in the Struggle for Life , " was published in November , 1859. It begins with the simplest narrative of the events leading to its publication , and an apology for the ...
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admirable animals and plants appeared Asa Gray astonished atolls barrier-reefs Beagle beauty believe botanist Cambridge cause changes chapter character Charles Darwin Charles Robert Cirripedia conclusions coral reefs creatures Darwinian delightful Descent described developed doctrine domestic Edinburgh Erasmus Erasmus Darwin essay evidence evolution expression extinct eyes facts favour feel fertilised flowers forms fossil Francis Darwin geological observations Geological Society habits Hooker ideas imagination insects instinct interest islands Jemmy Button John Herschel Jour Journal larvæ Linnean Society living London Lyell man's ment mental mind modification movements natural history natural selection naturalist never orchids organic Origin of Species Patagonia period pollen published races remarkable Review Royal Society says scientific second edition seeds showed slaves South America structure struggle for existence success sun-dew theory thought Tierra del Fuego tion variations variety views visits volcanic voyage Wedgwood worms young Zoological
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Стр. 94 - 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.
Стр. 93 - 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...
Стр. 65 - 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.
Стр. 122 - 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.
Стр. 82 - 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.
Стр. 83 - 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...
Стр. 86 - 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.
Стр. 84 - When we reflect on this struggle, we may console ourselves with the full belief, that the war of nature is not incessant, that no fear is felt, that death is generally prompt, and that the vigorous, the healthy, and the happy survive and multiply.
Стр. 86 - ... 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.