The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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... FORMS OF WATER IN RAIN AND RIVERS , ICE AND GLACIERS . By J. TYNDALL , LL . D. , F. R. S. With 26 Illustrations . Price , $ 1.50 . " " " " II . PHYSICS AND POLITICS ; OR , THOUGHTS ON THE APPLICATION OF THE PRINCIples of " Natural ...
... FORMS OF WATER IN RAIN AND RIVERS , ICE AND GLACIERS . By J. TYNDALL , LL . D. , F. R. S. With 26 Illustrations . Price , $ 1.50 . " " " " II . PHYSICS AND POLITICS ; OR , THOUGHTS ON THE APPLICATION OF THE PRINCIples of " Natural ...
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... for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the doctrine of the continuity of life , we must begin with a survey of the.
... for the doctrine of the gradual and direct development of the higher and now - existing organisms from lower ancestral forms - in short , for the doctrine of the continuity of life , we must begin with a survey of the.
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... forms now spread over the earth . As astronomy begins with the mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner ...
... forms now spread over the earth . As astronomy begins with the mere classification of the stars and constellations , and the knowledge of their apparent motions , so do we also range our material in large groups , and this in the manner ...
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... we likewise feel , more strongly than words will express , a certain antithesis between the plant and LOWER FORMS OF LIFE . 25 the animal . Poetically 24 THE DOCTRINE OF DESCENT . II THE ANIMAL WORLD IN ITS PRESENT STATE.
... we likewise feel , more strongly than words will express , a certain antithesis between the plant and LOWER FORMS OF LIFE . 25 the animal . Poetically 24 THE DOCTRINE OF DESCENT . II THE ANIMAL WORLD IN ITS PRESENT STATE.
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... has in common with the forms harmonizing with it in the main characters of their organization ; and , secondly , by the more special characteristics , which place the animal in its own rank and station among its own immediate kindred .
... has in common with the forms harmonizing with it in the main characters of their organization ; and , secondly , by the more special characteristics , which place the animal in its own rank and station among its own immediate kindred .
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit external facts families fauna fish formation fossil Ganoids Gastrula genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms islands lancelet language larva larvæ likewise linguistic Linnæus lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observation Oolite organisms origin peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races relations remains reproduction reptiles resemblance Rütimeyer says scarcely scientific separate sexual Silurian skull species sponges strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vegetal vertebral column Vertebrata vertebrate animals whole
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Стр. 162 - 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.18 Darwin always knew that his views would be controversial. A few days before The Origin of Species appeared, Darwin wrote, in a letter to Wallace, 'God knows what...
Стр. 160 - I had not formerly sufficiently considered the existence of many structures which appear to be, as far as we can judge, neither beneficial nor injurious ; and this I believe to be one of the greatest oversights as yet detected in my work.
Стр. 160 - Na'geli on plants, and the remarks by various authors with respect to animals, more especially those recently made by Professor Broca, that in the earlier editions of my Origin of Species I perhaps attributed too much to the action of natural selection or the survival of the fittest.