The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 4
... follows from the nature of these beginnings , that language is the natural expression of the spirit of a people ; that it does not stand still , but is for ever in process of transformation . The science of language , with its great ...
... follows from the nature of these beginnings , that language is the natural expression of the spirit of a people ; that it does not stand still , but is for ever in process of transformation . The science of language , with its great ...
Стр. 18
... follows , in the question put by another sound and thoughtful physiologist , A. Fick : " Are the charac- teristics of such a particle , as already explained , applicable and effective during the period of its sojourn in an organism ...
... follows , in the question put by another sound and thoughtful physiologist , A. Fick : " Are the charac- teristics of such a particle , as already explained , applicable and effective during the period of its sojourn in an organism ...
Стр. 37
... follow as a matter of course . For if the figure be correct , every ramification of the branches must include species diverging very slightly from the species standing in the lowest portions of the bough from which it branches off . And ...
... follow as a matter of course . For if the figure be correct , every ramification of the branches must include species diverging very slightly from the species standing in the lowest portions of the bough from which it branches off . And ...
Стр. 52
... follows their separation into two cell - layers , or membranes . Respecting the deriva- tion of the third or middle germinal lamina , and the share of the two primitive laminæ in its formation , observers are not agreed . Only from this ...
... follows their separation into two cell - layers , or membranes . Respecting the deriva- tion of the third or middle germinal lamina , and the share of the two primitive laminæ in its formation , observers are not agreed . Only from this ...
Стр. 55
... follows ? These quadrupeds and bipeds have much embryonic resemblance , for their cranial bones are separate ; like ourselves during the first four or five days of hatching , they are without a beak ; their extremities are tolerably ...
... follows ? These quadrupeds and bipeds have much embryonic resemblance , for their cranial bones are separate ; like ourselves during the first four or five days of hatching , they are without a beak ; their extremities are tolerably ...
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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.