The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 páginas |
No interior do livro
Resultados 1-5 de 15
Página 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 ...
Página 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 ...
Página 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 ...
Página 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 the two must be summoned to solve the problem . 112 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 the two must be summoned to solve the problem . 112 THE DOCTRINE OF DESCENT .
Página 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 ...
Outras edições - Ver tudo
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