36 FKESH-WATER FISHES OF SOUTH AMERICA — EIGENMANN. 



X. PYGIDID^. 



CETOPSIN.E. 



66. CETOPSIS Aijassiz. 



^ Hemicetopsis Bleeker. 



232. C. candiru (Spix). Rio Cupai to Rio Huallaga. 



233. C. plumbeus Steiud. Canelos. 



§ Cetopsis Agassiz. 



234. C. coecutiens (Licliteustein). Auiazou from Gunipa to Rio Cupai, 



§ Fseiidocetojjsis Bleeker. 



235. C. gobioides Kuer. Irisauga. 



§ Suh(jen. nov. f 



236. C occidentalis Steiud. Guayaquil. 



237. C. veutralis Gill. Maraiiou. 



PYGIDIINiE. 



67. NEMATOGENYS Girard, 



238. N. inerniis (Guichcuot). Fresli waters of Ceutral Chili. 



N. nigricans and 2)alUd tin Philippi. 



68. PARIOLIUS Cope. 



239. P. armillatus Cope. Ambyiacu. 



69. PYGIDIUM Moyeu. 



240. ? P. fusciam Meyeu. Pern. 



241. ? P. palleimi (Philippi). Chili. 



242. ? P. marmoratum (Philippi). Chili. 



243. ? P. teniie (Weyeubergh). Sierra de Cordol)a uear Cruz-de-eje. 



244. ? P. corduveiise (Weyeubergh). Rio Primero. 



245. ? P. tigrimun (Philippi). Chili. 



246. P. macrasi (Girard). Uspullata. 



247. P. maculatiim (Cuv. & Val.). Western slopes of Central Chili. 



248. P. areolatum (Cuv. & Val.). Western slopes of Central Chili. 



249. P. rivulatiim (Cuv. iV:. Val.). Titicaca; Ucayale and tributaries. 



T. incw, (jracHi!i, hurbatula Cuv. & Val.; T. pentlamll, invtus Casteluau. 



250. P. poeyanuni (Cope). Western slopes of southern Peru. 



251. P. brasilieuse (Reinhardt). Rio Janeiro to Rio San Francisco. 



252. P. taenia (Kuer). Western slopes of Peruvian Andes. 



253. P. laticeps (Kuer). Western slopes of the Peruvian Andes. 



254. P. oroyae Eigenm. & Eigenm. Oroya River. 



255. P. punctatissiniuni (Casteluau). Araguay. 



256. P. knerii (Stoiiid.). Eastern slopes of Ecuador ; Cunibaca. 



257. P. dispar (Tschudi.). Eastern and western slopes of Peruvian Andes. 



258. P. d. punctulatum (Cuv.& Val.). Western slopes of Peruvian Andes. 



