The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 4
... various languages . Thus Herder long ago pointed out the importance of a psychology of nations . He was joined by Wilhelm von Humboldt , whose opinions form the basis of the present science of language , and who held that the imi ...
... various languages . Thus Herder long ago pointed out the importance of a psychology of nations . He was joined by Wilhelm von Humboldt , whose opinions form the basis of the present science of language , and who held that the imi ...
Стр. 10
... various members existing side by side in the same group of animals , -how , for instance , the mammal passes through stages at which the lower vertebrata remain fixed , -a connection , at first sight mysterious , is indicated between ...
... various members existing side by side in the same group of animals , -how , for instance , the mammal passes through stages at which the lower vertebrata remain fixed , -a connection , at first sight mysterious , is indicated between ...
Стр. 17
... various material forms , spherical , cubical , & c . ; furthermore , that in their combinations and co - operations as bodies , they must be contemplated as surrounded by a rarefied atmosphere of an universally diffused ether . But the ...
... various material forms , spherical , cubical , & c . ; furthermore , that in their combinations and co - operations as bodies , they must be contemplated as surrounded by a rarefied atmosphere of an universally diffused ether . But the ...
Стр. 26
... various parts , with various offices or functions , and appearing under a definite form gradually developed , is in our day so inherent and intuitive , that it is only with great exertion that we are able to accommodate our- selves to ...
... various parts , with various offices or functions , and appearing under a definite form gradually developed , is in our day so inherent and intuitive , that it is only with great exertion that we are able to accommodate our- selves to ...
Стр. 27
... various morpho- logical structures and organs . As we shall have another opportunity of expressing an opinion in regard to the beginnings of animal life , and its points of contact with protista and plants , we shall transfer ourselves ...
... various morpho- logical structures and organs . As we shall have another opportunity of expressing an opinion in regard to the beginnings of animal life , and its points of contact with protista and plants , we shall transfer ourselves ...
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain carboniferous causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit existence 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 Insectivora intermediate forms islands lancelet language larva larvæ likewise linguistic 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 strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties 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 - 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.