Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina
... formation of organs in ancestral forms ( 2 ) Development of organs in the individual ( 3 ) Philogenetic evolution of function · Section I. Transformation of organs of animals 1274 7 22 *** 23 23 25 ( 4 ) Individual adaptation 26 30 § 2 ...
... formation of organs in ancestral forms ( 2 ) Development of organs in the individual ( 3 ) Philogenetic evolution of function · Section I. Transformation of organs of animals 1274 7 22 *** 23 23 25 ( 4 ) Individual adaptation 26 30 § 2 ...
Pagina 8
... formed , its characters are not necessarily borrowed from those societies from which it more or less directly proceeds . It may be modelled upon other social structures with which it had no hereditary connection . - V . Tarde , Les Lois ...
... formed , its characters are not necessarily borrowed from those societies from which it more or less directly proceeds . It may be modelled upon other social structures with which it had no hereditary connection . - V . Tarde , Les Lois ...
Pagina 12
... formed by the budding of a single indi- vidual . While nourishment is abundant , all the individuals of the colony retain their connection with each other , and may themselves give rise to buds . On the other hand , when food is scarce ...
... formed by the budding of a single indi- vidual . While nourishment is abundant , all the individuals of the colony retain their connection with each other , and may themselves give rise to buds . On the other hand , when food is scarce ...
Pagina 15
... formation ? These few examples suffice to show 1 When two organs are united into one whole , the cell exercises two totally different functions . The liver , as we now know , is a double organ consisting of a bile - forming liver , and ...
... formation ? These few examples suffice to show 1 When two organs are united into one whole , the cell exercises two totally different functions . The liver , as we now know , is a double organ consisting of a bile - forming liver , and ...
Pagina 21
... formation of a new organ . These definitions may be applied — mutatis mutandis to the changes undergone by societies and institutions or their constituent parts . The ideas of progress and of degeneration seem at first sight to relate ...
... formation of a new organ . These definitions may be applied — mutatis mutandis to the changes undergone by societies and institutions or their constituent parts . The ideas of progress and of degeneration seem at first sight to relate ...
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
Pasaje populare
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