Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina
... Reduced organs in the vegetative apparatus of the Phanerogams 149 Chapter II . Survivals exist in all kinds of societies 151 § 1. Instances of survival in various groups 153 ( 1 ) Instances of survival in the most modern social groups ...
... Reduced organs in the vegetative apparatus of the Phanerogams 149 Chapter II . Survivals exist in all kinds of societies 151 § 1. Instances of survival in various groups 153 ( 1 ) Instances of survival in the most modern social groups ...
Pagina 3
... reduced condition 1. Insignificance of the institution ( jurisdiction at da Martinique ; summons quo warranto ; Diocese of Cambrai ; marsh - land in Artois ; tribute paid to Spain by France ) . Respect for traditions ( survival of the ...
... reduced condition 1. Insignificance of the institution ( jurisdiction at da Martinique ; summons quo warranto ; Diocese of Cambrai ; marsh - land in Artois ; tribute paid to Spain by France ) . Respect for traditions ( survival of the ...
Pagina 32
... reduced length of the part . The exopodite ( ex . ) , and the endopodite ( en . ) are modified into two large oval plates which serve as propellers . The actual de- velopment of these two parts is accompanied by degeneration . In a ...
... reduced length of the part . The exopodite ( ex . ) , and the endopodite ( en . ) are modified into two large oval plates which serve as propellers . The actual de- velopment of these two parts is accompanied by degeneration . In a ...
Pagina 39
... . T. List , Bewegungsapparat des Arthropoden , 1. Theil , Astacus Fluviatilis . Morphol . Jahrbuch . , xxii . Bd . 3. Heft , 1895 . the epipodite are missing ; the endopodite is reduced to TRANSFORMATION OF ORGANS OF ANIMALS 39.
... . T. List , Bewegungsapparat des Arthropoden , 1. Theil , Astacus Fluviatilis . Morphol . Jahrbuch . , xxii . Bd . 3. Heft , 1895 . the epipodite are missing ; the endopodite is reduced to TRANSFORMATION OF ORGANS OF ANIMALS 39.
Pagina 40
... reduced to a mere unjointed stem , and only the protopodite retains its two normal component parts . The mandibles ( fig . 14 ) , the appendages of the fourth segment , are modified entirely for mastica- tion . They consist of a strong ...
... reduced to a mere unjointed stem , and only the protopodite retains its two normal component parts . The mandibles ( fig . 14 ) , the appendages of the fourth segment , are modified entirely for mastica- tion . They consist of a strong ...
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