The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 páginas |
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Página 5
... gradually acquired above the rest of the living world - but it displays this side alone . Although the founders of linguistic inquiry , of whom we have already spoken , had already represented man as first acquiring reason and becoming ...
... gradually acquired above the rest of the living world - but it displays this side alone . Although the founders of linguistic inquiry , of whom we have already spoken , had already represented man as first acquiring reason and becoming ...
Página 7
... 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.
... 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.
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... gradually extended to the interior , because zootomy and com- parative anatomy , even more than fifty years ago , had advanced so far in the accumulation of endless details that Cuvier then ventured to found the Natural System . But ...
... gradually extended to the interior , because zootomy and com- parative anatomy , even more than fifty years ago , had advanced so far in the accumulation of endless details that Cuvier then ventured to found the Natural System . But ...
Página 10
... gradual formation of the 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 ...
... gradual formation of the 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 ...
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... gradual formations and metamorphoses ; we may - nay , we must , infer that , at a definite epoch of refrigeration ... gradually increasing , differentiating , and perfecting themselves . Yet more . As was first convincingly proved in ...
... gradual formations and metamorphoses ; we may - nay , we must , infer that , at a definite epoch of refrigeration ... gradually increasing , differentiating , and perfecting themselves . Yet more . As was first convincingly proved in ...
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Palavras e frases frequentes
according adaptation already Ammonites Amphibians animal world apes appearance Ascidian birds body bone brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryo Eocene exhibit existence external facts families fauna fish formation fossil Gastrula gemmules genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms investigation islands lancelet language larva larvæ likewise linguistic lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observations Oolite organisms origin ovum peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races regard relations remains reproduction reptiles Rütimeyer says scarcely scientific separate sexual Silurian skull species strata structure systematic terrestrial animals theory of selection tion transformation true Ungulata Ungulates varieties vertebral column Vertebrata vertebrate animals whole