The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 10
... explaining why man possesses three little bones in the auditory apparatus , the bird only one . The history of development shows that out of the ma- terial which in man is applied to the formation of the malleus and incus , two other ...
... explaining why man possesses three little bones in the auditory apparatus , the bird only one . The history of development shows that out of the ma- terial which in man is applied to the formation of the malleus and incus , two other ...
Стр. 18
... explained , the inexplicable must commence with the basis of life . The imputation cast upon the reasoning powers by this assumption may be formularized as follows , in the question put by another sound and thoughtful physiologist , A ...
... explained , the inexplicable must commence with the basis of life . The imputation cast upon the reasoning powers by this assumption may be formularized as follows , in the question put by another sound and thoughtful physiologist , A ...
Стр. 19
... explained only by vital force - are now ascribed , even by those who in general assume the existence of a special vital force , to the universally active forces of the material particles , we find ourselves almost forced to the ...
... explained only by vital force - are now ascribed , even by those who in general assume the existence of a special vital force , to the universally active forces of the material particles , we find ourselves almost forced to the ...
Стр. 112
... as a standard for animals , and conversely , the in- finite complexity of man could not be fully explained by animal organization , something fluctuating between GOETHE . 113 the two must be summoned to solve I12 THE DOCTRINE OF DESCENT .
... as a standard for animals , and conversely , the in- finite complexity of man could not be fully explained by animal organization , something fluctuating between GOETHE . 113 the two must be summoned to solve I12 THE DOCTRINE OF DESCENT .
Стр. 129
... explained . At the end of the last century , the opinion was here and there expressed that the submergence of large extents of land , and the emergence of others , had taken place . slowly ; and the doctrine was in preparation that the ...
... explained . At the end of the last century , the opinion was here and there expressed that the submergence of large extents of land , and the emergence of others , had taken place . slowly ; and the doctrine was in preparation that the ...
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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.