. Bulletin - United States National Museum. Science. TSOPODS OF NORTH AMERICA. 221 The !<egnionts ot" the abdonion are all distinct. The or terminal segment is a little broader than long, 6 mm.: 5 mm., almost quadrate, with the post-lateral angles rounded and a small triangular point in the middle ot the posterior margin. The uropoda are longer than the terminal abdominal segment. Both branches are produced to long, nai'row. acute extrcMuities. the outer branch being slightly nari'ower at. Fi(i.'223.â .uTMiNATA. a, Maxillipfj). /.'2~'i. 6, First MAXILLA. X 271. c, Secon
. Bulletin - United States National Museum. Science. TSOPODS OF NORTH AMERICA. 221 The !<egnionts ot" the abdonion are all distinct. The or terminal segment is a little broader than long, 6 mm.: 5 mm., almost quadrate, with the post-lateral angles rounded and a small triangular point in the middle ot the posterior margin. The uropoda are longer than the terminal abdominal segment. Both branches are produced to long, nai'row. acute extrcMuities. the outer branch being slightly nari'ower at. Fi(i.'223.â .uTMiNATA. a, Maxillipfj). /.'2~'i. 6, First MAXILLA. X 271. c, Second MAX- ixi,r d nth rata, Scorjreena guttata, Triakis semifasciata,, Myliobatis sp. Body oblong-oyate, nearly two and a half times longer than wide, S nun. : 19 nun. Head, widei- than long, 2^ mm.: 3^ mm., with the anterior margin widely rounded, the posterior margin produced in three lol)es, the middle one of which is much the lai'gei'. 'Fhe e^'cs are indistinct and haye almost entirel}' disappeared. They have degenerated, pro>)ably owing to the parasitic mode of life, and are certainly functionless. The first pair of antenna? are composed of eight articles and extend to the end of the seventh article of the second paii" of anteniue. The s â ( oiil. 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 States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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