N0.122J. IsnpODS OF THE ATLANTIC COAST— RICHARDSON. 575 



Hahltat. — San Juan d'UUoa, Vera Cruz; Cuba; Yucatan; also Rio 

 Janeiro; Cayenne. 

 Depth . — Littoral . 



177. LIGIA EXOTICA Roux. 



Ligia exotica Roux, Crust. Medit., j). o, pi. xiii, tig. 9. 



(?) LUjia grandis Perty, Spix and Martius, p. 212, pX. xl, fig. 13. 



Ligia g(iudichaudii Mil-ne-Edwards, Hist. Nat. des Crust., Ill, j). 157. 



(?) Jjigia {Italica) coriacea Koch, Deutseh. Crust., j). 36; Berichtig., p. 211. 



Ligia ggiidicliaudii Dana, Expl. Exp., p. 741, pi. xlix, figs. 6a-h. — Nicolet in 



Gay, Hist. Chile, III, p. 265. 

 Ligia exotica Budde-Lund, Crust. Isop. Terrestria, 1885, pp. 266-268. 



Hahltat . — Cedar Keys, Florida; Key West, Pine Key, Florida; St. 

 Jean d'AUao, Mexico; Topolobampo, Mexico; Panama; Cuba; Cali- 

 fornia; also Chusan; Macao; Rio Janeiro; Bahia; Puntarenas; Chile; 

 Madras; Manila; Luzon; Singapore; Massilia; Espiritu Santo, Balandra 

 Bay, near Point Diablo. 



Depth . — Littoi'al . 



178. LIGIA OLFERSII Brandt. 



I^gia olfersii Brandt, Bull, de la Soc. Imp. d. Naturalistes de Mosfou, YI, 1833, 

 p. 11. — BuDDE-LuND, Crust. Isop. Terrestria, 1885, p. 268. 



Habitat. — Key West, Florida; Punta Rassa, Florida; St. Thomas; 

 Brazil. 



Family XXII. TRICHONISCIDJK. 



analytical key to the genera of TRICHONISCID.E. 



a. Abdomen abruptly narrower than thorax. Head romided in front, with dis- 

 tinct though small lateral lobes. Terminal abdominal segment truncate 



at tip 75. Trichoniscus. 



a'. Abdomen not abrupt!}' narrower than thorax. 



b. Head triangularly produced in front, with large lateral loljes. Abdominal epi- 



mera lamellarly expanded 76. Actonisc.m. 



h'. Head rounded in front, not lobated at the sides. Abdominal epimera but little 

 developed 77. Scgphacella. 



75. TRICHONISCUS Brandt. 

 179. TRICHONISCUS PUSILLUS Brandt. 



TVvW/oh«.s-cms7j«.S(7/m.s Brandt, Conspectus Monogr. Crust. Oniscodorum, p. 12, pi. 



IV, fig. 9. 

 Ilea riparia Koch, Deutschl. Crust. , p. 22. 

 Itealmns Zaddach, Synops. Crust. Pruss., p. 16. 



Philougria r?^)«n« Kinahan, Nat. Hist. Rev., IV, p. 281, pi. xxii, figs. 1-4. 

 Trichoniscus pusillus G. O. Sars, Crust, of Norway, II, Pts. 9 and lOJ 1897, p. 161. 



Ilahitat. — North America; also Sweden; Denmark; Germany; 

 France; Great Britain; Spain; Algeria; coast of Norway. 



