The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 páginas |
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... DISTRIBUTION OF ANIMALS IN THe light of THE DOCTRINE OF DERIVATION · 222 XI . THE PEDIGREE OF VERTEBRATE ANIMALS . MAN REFERENCES AND QUOTATIONS XII . · 248 282 • 311 FIG . LIST OF ILLUSTRATIONS . I. LEGS OF BIRD viii CONTENTS .
... DISTRIBUTION OF ANIMALS IN THe light of THE DOCTRINE OF DERIVATION · 222 XI . THE PEDIGREE OF VERTEBRATE ANIMALS . MAN REFERENCES AND QUOTATIONS XII . · 248 282 • 311 FIG . LIST OF ILLUSTRATIONS . I. LEGS OF BIRD viii CONTENTS .
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... derivation or descent , for 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 ...
... derivation or descent , for 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 ...
Página 110
... derivation of the cranium from the verte- bral bones was revealed to him . " The more special history of Comparative Anatomy has shown how ex- tremely fruitful was this supposed discovery , although the subject ΠΙΟ THE DOCTRINE OF DESCENT .
... derivation of the cranium from the verte- bral bones was revealed to him . " The more special history of Comparative Anatomy has shown how ex- tremely fruitful was this supposed discovery , although the subject ΠΙΟ THE DOCTRINE OF DESCENT .
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... derivation from a lower grade , it is of supreme importance to bear in mind the circumstance first exhibited by Helmholtz in the eye , that besides a number of perfections , they likewise possess a number of imperfections , and ...
... derivation from a lower grade , it is of supreme importance to bear in mind the circumstance first exhibited by Helmholtz in the eye , that besides a number of perfections , they likewise possess a number of imperfections , and ...
Página 155
... derivation , and applied this principle to all the phenomena of the organic world , the systematic school was effectually subdued by that same doctrine of Descent , thus fortified and established , after which Lamarck had striven in ...
... derivation , and applied this principle to all the phenomena of the organic world , the systematic school was effectually subdued by that same doctrine of Descent , thus fortified and established , after which Lamarck had striven 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