Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina ii
... CRUSTACEA . Recent Malacostraca . By the Rev. THOMAS R. R. STEBBING , M. A. With 51 Illustrations . $ 2.00 . 72. RACE AND LANGUAGE . By Professor ANDRÉ LEFÈVRE , Anthropological School , Paris . $ 1.50 . 73. MOVEMENT . By E. J. MAREY ...
... CRUSTACEA . Recent Malacostraca . By the Rev. THOMAS R. R. STEBBING , M. A. With 51 Illustrations . $ 2.00 . 72. RACE AND LANGUAGE . By Professor ANDRÉ LEFÈVRE , Anthropological School , Paris . $ 1.50 . 73. MOVEMENT . By E. J. MAREY ...
Pagina x
... Crustacea . 4. Atrophy of the branchial vessels in man • Section II . The path of degeneration in plants . 1. Rarity of cases of recapitulation in the organ- ogeny of leaves ( Vicia , Acacia with phyllodes ) . 2. Organogeny of flowers ...
... Crustacea . 4. Atrophy of the branchial vessels in man • Section II . The path of degeneration in plants . 1. Rarity of cases of recapitulation in the organ- ogeny of leaves ( Vicia , Acacia with phyllodes ) . 2. Organogeny of flowers ...
Pagina 133
... Crustacea , the Arachnida , and the Insecta . Instances of rudimentary organs are very common among the Crustacea , but our investigations with regard to the appendages of the cray - fish were so thorough that we will give examples from ...
... Crustacea , the Arachnida , and the Insecta . Instances of rudimentary organs are very common among the Crustacea , but our investigations with regard to the appendages of the cray - fish were so thorough that we will give examples from ...
Pagina 187
... Crustacea.- -We cannot however establish the conclusion of the last paragraph as a general principle . The fauna of the deep sea includes a large number of Crustacea , and in these the eyes , which are relatively useless , are often ...
... Crustacea.- -We cannot however establish the conclusion of the last paragraph as a general principle . The fauna of the deep sea includes a large number of Crustacea , and in these the eyes , which are relatively useless , are often ...
Pagina 188
... Crustacea , Mem . of Mus . of Comp . , Zool . Harvard College , vol . xviii . , 1895. ) forms the eye is borne , there is only a de- pression as if the eye had been carefully scooped out . Willemasia ( fig . 64 ) , a re- lative of the ...
... Crustacea , Mem . of Mus . of Comp . , Zool . Harvard College , vol . xviii . , 1895. ) forms the eye is borne , there is only a de- pression as if the eye had been carefully scooped out . Willemasia ( fig . 64 ) , a re- lative of the ...
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
adaptation adult animals antheridia apical leaves appear appendages aquatic assimilative atrophy basilar leaves become biology blade branches branchial arches Bruges calcaneum canal ceased cells characters chlorophyll collective property colony complete condition consists corporations Court Crustacea custom degeneration degenerative evolution digits disappeared endopodite epipod examples exhibited existence exopodite female feudal flowers foliage leaves formed function Huxley hypopod Illustrations individual instance institutions intercentrum land larvæ larval leaf leaflets limbs lost male mammals marriage masuirs ment mesonephros metatarsals modern modifications muscles normal nutrition original pairs persist petiole phalanges pineal eye plants podite possess posterior primitive Professor pronephros prothallus protopodite reappear reduced regarded remain represent result retracing Rosa rugosa rudimentary organs seedling segment sepal slow-worm social societies sociology species spines stamens stem stipules stomata structure survival tarsius tendrils terminal thalamencephalon tion traces transformation useless vertebral column vertebrates vestiges wings young
Pasaje populare
Pagina ii - GRAHAM, MA, Queen's College, Belfast. $1.75. 69. MAN AND THE GLACIAL PERIOD. By Professor G. FREDERICK WRIGHT, DD, Oberlin Theological Seminary. With 108 Illustrations and 3 Maps.