Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina vii
... institutions and organs · Chapter I. In the evolution of organs all modification is necessarily attended by degeneration § 1. Preliminary considerations ( 1 ) Original formation of organs in ancestral forms ( 2 ) Development of organs ...
... institutions and organs · Chapter I. In the evolution of organs all modification is necessarily attended by degeneration § 1. Preliminary considerations ( 1 ) Original formation of organs in ancestral forms ( 2 ) Development of organs ...
Pagina viii
... institutions all modification is necessarily accompanied by degeneration § 1. Modifications of similar institutions in the same society · • ( 1 ) The communal budgets of Belgium ( 2 ) Budget of the States of the German Empire ( 3 ) The ...
... institutions all modification is necessarily accompanied by degeneration § 1. Modifications of similar institutions in the same society · • ( 1 ) The communal budgets of Belgium ( 2 ) Budget of the States of the German Empire ( 3 ) The ...
Pagina x
... institutions or organs which have disappeared reappear ? • Section I. Disappeared organs . 1. Plants 2. Animals ... institutions PAGE 175 178 179 179 192 192 205 205 207 217 221 222 222 222 223 227 PAGE ( 1 ) Apparent revival of bygone ...
... institutions or organs which have disappeared reappear ? • Section I. Disappeared organs . 1. Plants 2. Animals ... institutions PAGE 175 178 179 179 192 192 205 205 207 217 221 222 222 222 223 227 PAGE ( 1 ) Apparent revival of bygone ...
Pagina xi
... institutions ( 2 ) Apparent disappearance of institutions ( 3 ) Instances of convergence · Chapter II . Can rudimentary institutions or organs reassume their primitive functions ? Section 1. Rudimentary organs 227 229 230 232 232 ( 2 ) ...
... institutions ( 2 ) Apparent disappearance of institutions ( 3 ) Instances of convergence · Chapter II . Can rudimentary institutions or organs reassume their primitive functions ? Section 1. Rudimentary organs 227 229 230 232 232 ( 2 ) ...
Pagina xii
... apparent cause Atrophy of perianth ( Artemisia , Poterium ) . Atrophy of the eyes ( Myriopodes , Cymothoë ) . Correlative atrophy 261 263 263 268 274 274 278 278 Chapter II . Atrophy of institutions PAGE 281 § 1. xii CONTENTS.
... apparent cause Atrophy of perianth ( Artemisia , Poterium ) . Atrophy of the eyes ( Myriopodes , Cymothoë ) . Correlative atrophy 261 263 263 268 274 274 278 278 Chapter II . Atrophy of institutions PAGE 281 § 1. xii CONTENTS.
Alte ediții - Afișează-le pe toate
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Termeni și expresii frecvente
adult ancestral stages animals antheridia apical leaves appear appendages aquatic Archaeopteryx assimilative atrophy basilar leaves became become belonging bipinnated blade branches calcaneum canal cells characters chlorophyll collective property colony complete condition consists corporations Crustacea custom degeneration degenerative evolution digits disappeared embryo endopodite epipod exhibited existence exopodite female feudal floating leaves flowers foliage leaves formation formed function gland Huxley hypopod Illustrations individual instance institutions intercentrum land larval Lathyrus Aphaca leaf leaflets limbs male mammals marriage masuirs maxillipede mesonephros metatarsals modern modification muscles normal original pairs petiole phalanges pineal eye plants podite primitive Professor progressive evolution pronephros prothallus protopodite pr reduced regarded remain represent retracing Rosa rugosa rudimentary organs segment sepal slow-worm social societies sociology species stamens stem stipules stomata structure survival tarsius tendrils terminal thalamencephalon third tion traces transformation undergone useless vertebral column vertebrates vestiges wings
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