Proceedings of the American Academy of Arts and Sciences, 20권American Academy of Arts and Sciences., 1885 |
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44개의 결과 중 1 - 5개
9 페이지
... entire or denticulate : calyx lobes reflexed in fruit , broad , Shorter than the conspicuous petals . About equalling the inconspicuous petals . S. integrifolia . S. Pennsylvanica . Inflorescence effusely elongated - paniculate : small ...
... entire or denticulate : calyx lobes reflexed in fruit , broad , Shorter than the conspicuous petals . About equalling the inconspicuous petals . S. integrifolia . S. Pennsylvanica . Inflorescence effusely elongated - paniculate : small ...
21 페이지
... entire absence of the intermediate series , throwing some doubt upon the constancy of the characters apparently derivable from the other sources . The differences which exist should certainly not be ignored , and it may lead to an ...
... entire absence of the intermediate series , throwing some doubt upon the constancy of the characters apparently derivable from the other sources . The differences which exist should certainly not be ignored , and it may lead to an ...
32 페이지
... entire germ - ring enters directly into the embryo certainly points to a more primitive mode of embryonic formation than is seen in the elasmobranch ovum . In this particular the elasmobranch ovum repre- sents an intermediate condition ...
... entire germ - ring enters directly into the embryo certainly points to a more primitive mode of embryonic formation than is seen in the elasmobranch ovum . In this particular the elasmobranch ovum repre- sents an intermediate condition ...
33 페이지
... entire behavior , and by the position of the first cleavage - spindle . But what explanation can be given of this con- striction , which after appearing twice vanishes without accomplishing anything ? We shall undertake later to show ...
... entire behavior , and by the position of the first cleavage - spindle . But what explanation can be given of this con- striction , which after appearing twice vanishes without accomplishing anything ? We shall undertake later to show ...
41 페이지
... entire course from the moment of fecundation onward ; and our observations on the living ovum have been supplemented by a study of sections , and of several complete series of mounted preparations . We have followed the cleavage ...
... entire course from the moment of fecundation onward ; and our observations on the living ovum have been supplemented by a study of sections , and of several complete series of mounted preparations . We have followed the cleavage ...
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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