Proceedings of the American Academy of Arts and Sciences, 20권American Academy of Arts and Sciences., 1885 |
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... Observations of Variable Stars in 1884. By EDWARD C. PICKERING · XVIII . A Photographic Study of the Nebula of Orion . By EDWARD C. PICKERING XIX . Relation between Superficial Energy and Thermo - Electricity . By CHARLES BINGHAM ...
... Observations of Variable Stars in 1884. By EDWARD C. PICKERING · XVIII . A Photographic Study of the Nebula of Orion . By EDWARD C. PICKERING XIX . Relation between Superficial Energy and Thermo - Electricity . By CHARLES BINGHAM ...
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... observations of another season . During the summer of 1883 , our attention was directed mainly to the earlier stages of development , embraced between the fecundation of the egg and the complete formation of the embryo . The numer- ous ...
... observations of another season . During the summer of 1883 , our attention was directed mainly to the earlier stages of development , embraced between the fecundation of the egg and the complete formation of the embryo . The numer- ous ...
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... observation afforded by transparent pelagic fish eggs , no one has hitherto succeeded in tracing the exact genetic relationship of each cell beyond the 16 - cell stage . In passing from the 16 - cell to the 32 - cell stage , the central ...
... observation afforded by transparent pelagic fish eggs , no one has hitherto succeeded in tracing the exact genetic relationship of each cell beyond the 16 - cell stage . In passing from the 16 - cell to the 32 - cell stage , the central ...
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... observations are published in full , it may be well to define at once our view in regard to what constitutes the teleostean ovum , since recent authorities differ very much on this point ; and to call attention to a few general ...
... observations are published in full , it may be well to define at once our view in regard to what constitutes the teleostean ovum , since recent authorities differ very much on this point ; and to call attention to a few general ...
31 페이지
... Observations on the Absorption of the Yolk , the Food , Feeding , and Development of Embryo Fishes . " Bull . U. S. Fish Com . , II . , p . 199 , 1882 . 20 Balfour . Development of Elasmobranch Fishes , pp . 57 , 89-90 , 1878 . 21 ...
... Observations on the Absorption of the Yolk , the Food , Feeding , and Development of Embryo Fishes . " Bull . U. S. Fish Com . , II . , p . 199 , 1882 . 20 Balfour . Development of Elasmobranch Fishes , pp . 57 , 89-90 , 1878 . 21 ...
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Abdomen abdominal appendages Acad acetic acetic acid acid acute Antennæ anthracene appears areola Astacus Barrande base Bentham blastodisc blastomeres border Boston bracts branches broad California calyx Cambarus Cambridge carapace cells Cephalothorax cervical groove chela ciliate cleavage cleavage-plane collected corolla difference of potential Dikelocephalus dorsal Emmons entoderm Eritrichium faune feet flowers foliis fossils fruit genera genus glabrous Graptolites Gray gynobasi Hagen inches long lateral leaflets leaves length less limestone lines long lobes longis Magn male margin maxillipeds median Mountains nearly nuclei Nuculæ nutlets oblong observations Olenus ovum pair of legs papillæ Paradoxides pedicels periblast petioles plate Point Lévis posterior Potsdam precipitate Primordial fauna Proc pubescent punctate ring River rostrum sæpius sandstone schists second fauna segment sepals short side Silurian slates slender somites species specimens spermogonia spines stars superficial tension surface Taconic system telson third tion Trilobites tube upper ventral