Proceedings of the American Academy of Arts and Sciences, 20권American Academy of Arts and Sciences., 1885 |
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63개의 결과 중 1 - 5개
19 페이지
... pairs of legs slender , the hinder stout and broad . Abdomen com- posed of nine joints , the basal three rather short , the others subequal and longer . Postabdomen much as in Thelyphonus . Geralinura carbonaria nov . sp . Hinder legs ...
... pairs of legs slender , the hinder stout and broad . Abdomen com- posed of nine joints , the basal three rather short , the others subequal and longer . Postabdomen much as in Thelyphonus . Geralinura carbonaria nov . sp . Hinder legs ...
20 페이지
... pair of legs do not touch along the middle line of the body , as in all living forms , ( where they cut off anteriorly the so - called sternum , ) but are separated by a pair of independent plates - the sternites apparently of the ...
... pair of legs do not touch along the middle line of the body , as in all living forms , ( where they cut off anteriorly the so - called sternum , ) but are separated by a pair of independent plates - the sternites apparently of the ...
21 페이지
... pair of sternal plates interposed visibly between the coxa of the second pair of legs . Posterior sternal plates , corresponding to the " sternum " of living scorpions , quadrate , large , of about equal length and breadth . Both ...
... pair of sternal plates interposed visibly between the coxa of the second pair of legs . Posterior sternal plates , corresponding to the " sternum " of living scorpions , quadrate , large , of about equal length and breadth . Both ...
77 페이지
... pairs of eyes and the so - called " goblet - shaped " organs located on the lip ( cephalic lobe ) . A number of writers have noticed and described some small spots , occurring on every fifth ring of the body ; and one author has ...
... pairs of eyes and the so - called " goblet - shaped " organs located on the lip ( cephalic lobe ) . A number of writers have noticed and described some small spots , occurring on every fifth ring of the body ; and one author has ...
78 페이지
... pair of eyes ; the inner lateral rows hold the same relation to the 2d , 3d , 4th , and 5th pairs of eyes . There is a possibility that the first pair of eyes are derivatives of the inner lateral papillæ , the median papillæ of this ...
... pair of eyes ; the inner lateral rows hold the same relation to the 2d , 3d , 4th , and 5th pairs of eyes . There is a possibility that the first pair of eyes are derivatives of the inner lateral papillæ , the median papillæ of this ...
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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