. Bulletin - United States National Museum. Science. ISOPODS OB' NCJRTH AMERICA. 205. a« the second; the rit'th is one and a half times longer than the fourth. The flaoelluni is coni}K)sed of sixteen articles. The second antenna? extend to the middle of the third thoracic sej>inent. The palp of the maxillipeds is c()nij)osed of two articles. The sej»"ments of the thorax are subecjual in lenj>th, each he- iny- H mni. lon*>', with the excep- tion of the first, wliich is 4 mm. The e[)imera are distinctly sepa- rated on all the seonients with the exception of the ti rst. Those of the
. Bulletin - United States National Museum. Science. ISOPODS OB' NCJRTH AMERICA. 205. a« the second; the rit'th is one and a half times longer than the fourth. The flaoelluni is coni}K)sed of sixteen articles. The second antenna? extend to the middle of the third thoracic sej>inent. The palp of the maxillipeds is c()nij)osed of two articles. The sej»"ments of the thorax are subecjual in lenj>th, each he- iny- H mni. lon*>', with the excep- tion of the first, wliich is 4 mm. The e[)imera are distinctly sepa- rated on all the seonients with the exception of the ti rst. Those of the second and third seonients ha\e the posterior extremities I'ounded; those of the last four seo'inents have the posterior ex- tremities acutely pointed, and the last three are produced be- yond the posterior margins of the segments. The first segment of the al)do- meii is entirely concealed by the seventh thoracic segment. The remaining fiv^e segments are distinct. The sixth or ter- minal segment is broader than long, 14 mm.: 12 mm. It is 14 mm. wide at the base and also 14 mm. wide about the middle of the segment. The posterior ctrcmity is widely rounded. The uropoda extend to the ex- tremity of the terminal abdom- inal segment. Both branches are equal in length and are rounded posteriorlv. The outer fio- ^ laticauda (after Hansen). , __ 1 . ,' U l-j! +• (I, EPIMERA OF SMALL FEMALE. X 3. b. ABDOMEN orancli is one and a iialt times with iropoda of .same, x 3. c, both pairs of as wide as the inner branch ihe peduncle of (tie uropoda general figure has the inner angle produced, and this process extends a little beyond thi^ middle of the terminal segment of the abac men. The first three pairs of legs are prehensile and have the propodus. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United Sta
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
