Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina 6
... recently induced an emi- nent American economist to declare the bankruptcy of biological sociology , is perhaps due to the fact that , with a few distinguished exceptions , bio- sociological investigations have hitherto been con- ducted ...
... recently induced an emi- nent American economist to declare the bankruptcy of biological sociology , is perhaps due to the fact that , with a few distinguished exceptions , bio- sociological investigations have hitherto been con- ducted ...
Pagina 155
... recently formed States , however , instance of sur- vival may be found . In the first place , there are legal and religious survivals of European origin . Jews settling in the United States kept up the practice of circumcision , while ...
... recently formed States , however , instance of sur- vival may be found . In the first place , there are legal and religious survivals of European origin . Jews settling in the United States kept up the practice of circumcision , while ...
Pagina 158
... recently , submitted their young men to a sort of initiatory trial when they attained to adolescence . They were taken into a hut ( the kina ) set apart for the purpose , and there underwent certain tests , including a rigorous fast ...
... recently , submitted their young men to a sort of initiatory trial when they attained to adolescence . They were taken into a hut ( the kina ) set apart for the purpose , and there underwent certain tests , including a rigorous fast ...
Pagina 175
... recently and most specialized are the first to disappear , and that the most fundamental characters are those which persist longest that in fact degenerative evolution retraces the steps made by progressive evolution . Peculiarities ...
... recently and most specialized are the first to disappear , and that the most fundamental characters are those which persist longest that in fact degenerative evolution retraces the steps made by progressive evolution . Peculiarities ...
Pagina 203
... recently developed structures are the first to disappear when atrophy sets in , but this proves no more than that these particular structures happened to be less stable , and to offer less resistance . It is quite impossible to make ...
... recently developed structures are the first to disappear when atrophy sets in , but this proves no more than that these particular structures happened to be less stable , and to offer less resistance . It is quite impossible to make ...
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