Life of Charles Darwin, Том 1W. Scott, 1887 - Всего страниц: 175 |
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Стр. 107
... tendril - bearing plants ; the ivy , and other root and hook climbers were carefully studied ; and botanists for the first time realised fully the advantages which climbing plants possess in the struggle for existence . The climbing ...
... tendril - bearing plants ; the ivy , and other root and hook climbers were carefully studied ; and botanists for the first time realised fully the advantages which climbing plants possess in the struggle for existence . The climbing ...
Стр. 108
... tendril- bearers . It first places its tendrils ready for action , as a polypus places its tentacula . If the tendril be displaced , it is acted on by the force of gravity , and rights itself . It is acted on by the light , and bends ...
... tendril- bearers . It first places its tendrils ready for action , as a polypus places its tentacula . If the tendril be displaced , it is acted on by the force of gravity , and rights itself . It is acted on by the light , and bends ...
Стр. 144
... tendril . Move- ment goes on through all stages of life . Every growing shoot of a great tree is continually describing small ellipses ; the tip of every rootlet endeavours to do the same . changes of position of leaves and of climbing ...
... tendril . Move- ment goes on through all stages of life . Every growing shoot of a great tree is continually describing small ellipses ; the tip of every rootlet endeavours to do the same . changes of position of leaves and of climbing ...
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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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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. 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. 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. 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. 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.
Стр. 152 - 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...
Стр. 32 - 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.