The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 5
... organisms . Man , as consisting of flesh and blood , seemed , indeed , akin to the higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing was demanded beyond their juxtaposition ...
... organisms . Man , as consisting of flesh and blood , seemed , indeed , akin to the higher animals ; but so long as their descent , their actual consanguinity was not discussed , so long as nothing was demanded beyond their juxtaposition ...
Стр. 7
... 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 REFERENCE TO DARWIN . 7.
... 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 REFERENCE TO DARWIN . 7.
Стр. 10
... organism , is at every step a beacon to comparative anatomy . In itself , however , the history of development does not as yet exceed the rank of a merely descriptive branch of erudition . But if we now perceive how the evolutionary ...
... organism , is at every step a beacon to comparative anatomy . In itself , however , the history of development does not as yet exceed the rank of a merely descriptive branch of erudition . But if we now perceive how the evolutionary ...
Стр. 11
... organisms in the same sequence as the phases of the development of the individual . There are here vast chasms yet to be filled up by future observa- tion , though in many points we must not altogether despair of success . But that the ...
... organisms in the same sequence as the phases of the development of the individual . There are here vast chasms yet to be filled up by future observa- tion , though in many points we must not altogether despair of success . But that the ...
Стр. 18
... organism ? Thus , for instance , will the motions of a particle of oxygen be affected and altered by a neighbouring particle of hydrogen , in accordance with the same laws , when one or both form part of an organism , as when they are ...
... organism ? Thus , for instance , will the motions of a particle of oxygen be affected and altered by a neighbouring particle of hydrogen , in accordance with the same laws , when one or both form part of an organism , as when they are ...
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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.