Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina
... 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
... institutions all modification is necessarily accompanied by degeneration 70 78 78 90 § 1. Modifications of similar institutions in the same society 91 ( 1 ) The communal budgets of Belgium ( 2 ) Budget of the States of the German Empire ...
... institutions all modification is necessarily accompanied by degeneration 70 78 78 90 § 1. Modifications of similar institutions in the same society 91 ( 1 ) The communal budgets of Belgium ( 2 ) Budget of the States of the German Empire ...
Pagina
... institutions or organs which have disappeared reappear ? 221 222 Section I. Disappeared organs . 222 1. Plants 222 2. Animals . Teratology of the horse ... institutions 227 ( 1 ) Apparent revival of bygone institutions ( 2 CONTENTS.
... institutions or organs which have disappeared reappear ? 221 222 Section I. Disappeared organs . 222 1. Plants 222 2. Animals . Teratology of the horse ... institutions 227 ( 1 ) Apparent revival of bygone institutions ( 2 CONTENTS.
Pagina 1
... institutions ( 2 ) Apparent disappearance of institutions ( 3 ) Instances of convergence · PAGE 227 229 230 232 232 ( 2 ) The 232 Chapter 11. Can rudimentary institutions or organs reassume their primitive functions ? Section 1 ...
... institutions ( 2 ) Apparent disappearance of institutions ( 3 ) Instances of convergence · PAGE 227 229 230 232 232 ( 2 ) The 232 Chapter 11. Can rudimentary institutions or organs reassume their primitive functions ? Section 1 ...
Pagina 3
... institutions § 1. Atrophy from lack of use · 1. Functional inutility : ( 1 ) Offices of the port of Bruges . ( 2 ) The forest - courts of England 2. Transference of function : ( 1 ) Republican institu- tions under the Roman Empire . ( 2 ) ...
... institutions § 1. Atrophy from lack of use · 1. Functional inutility : ( 1 ) Offices of the port of Bruges . ( 2 ) The forest - courts of England 2. Transference of function : ( 1 ) Republican institu- tions under the Roman Empire . ( 2 ) ...
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
abdominal adaptation to arboreal adult ancestral animal apical leaves appendages aquatic Archaeopteryx assimilative Astacus Astacus fluviatilis atrophy basilar leaves basipodite become biology bipinnated blade branches calcaneum cells characters chlorophyll Choanoflagellates claw collective property colony communities complete condition consists Crustacea custom degenerative evolution digits disappeared Dollo Echinoderms embryology endopodite epipod exhibited existence exopodite ex female fins five-toed floating leaves flowers foliage leaves formed function gill Heterocephalus Huxley hypopod instance institutions joint land larvæ Lathyrus Aphaca leaf leaflets limbs male mammals marriage maxillipede membrane mesonephros metameres metatarsals modification normal origin pairs petiole phalanges physiological pineal eye plants podite primitive progressive protopodite pr Ranunculus reduced regarded remain represented result rods Rosa rugosa rudimentary organs segment social societies sociology species stages stamens stem stipules stomata structure survival tarsius tendrils terrestrial thalamencephalon third tion transformation undergone useless vertebrates vestiges walking legs
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Pagina 326 - XI. ANIMAL MECHANISM : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo. price 5*. XII. THE DOCTRINE OF DESCENT AND DARWINISM. By Professor Oscar Schmidt. With 26 Illustrations. Fourth Edition. Crown 8vo. price 5*. XIII. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCIENCE. By JW Draper, MD, LL.D. Fifteenth Edition. Crown 8vo. price 5*. XIV. FUNGI: their Nature, Influences Uses, &c.
Pagina 326 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Pagina 326 - XI. Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo, $s. XII. The Doctrine of Descent and Darwinism. By Professor Oscar Schmidt. With 26 Illustrations. Fifth Edition. Crown 8vo, 5*.
Pagina 82 - A plant of Drosera, with the edges of its leaves curled inwards, so as to form a temporary stomach, with the glands of the closely inflected tentacles pouring forth their acid secretion, which dissolves animal matter, afterwards to be absorbed, may be said to feed like an animal.
Pagina 326 - Edition. II. PHYSICS and POLITICS ; or, Thoughts on the Application of the Principles of ' Natural Selection ' and ' Inheritance