282 The South American Characinidse 



86. Teti-agoiiopterus ovalis Giinther. 



Proc. Zool. Soc, 245, 1868 (Xeberos); Eij'emu. & Eigenm., Proc. U.S. 

 Nat. Mus., XIV., 54, 1891. 

 Habitat: — Xeberos. 



87. Tetragoiiopteriis oligolepis Giinther. 



Cat. Fish. Brit. ^VIus., V., 327, 1864 (British Guiana); Eigenm. & Eigenm., 

 Proc. U. S. Xat. Mns., XIV., 53, 1891. 

 Habitat: — British Guin,im. 



88. Tetragoiiopteriis piilclier (Gill). 



Ann. Lye. Xat. Hist. X. Y., 1858, 419 (Trinidad). 

 Habitat: — Trinidad. 



89. TetragoiiopterHS mexicanus Filippi. 



Rev. et Magaz. de ZoiUogie, 1853, p. 166 ; Steind., Ichthyol. Xot. IX., 11, 

 1869, pi. IV., figs. 1-4 (Lake Mexico, Iznear) ; Eigenm., Proc. U. S. Xat. 

 Mus., XVI., 55, 1893. 



Tfirnf/nnnjytcntft t}rcvima)U(s Giinther, Cat. Fish. Brit. ]\Ius., V., 325, 1864 

 (Guatemala ; Yzabal ; IJio S. Geronimo). 



Habitat: Lake Mexico; Guatemala; Rio S. Geronimo. 



90. Tetragoiiopterus argeiitatiis (Baird and Girard). 



A»tyanax (irf/niiatiis^ Baird and Girard, Proc. Acad. Xat. Sci. Phila., VII., 

 27, 1854; Girard, U. S. Mex. Bound. Survey, 74, 1859 (Eio Xueces; Rio 

 Leona; Zoquito; Comanche Springs; Elm Creek; San Felipe; Devil's River; 

 Brownsville; Mouth of Rio Grande; Rio Sahinal). 



T(ir(i(j<nioptcri(s argenlaliis Jordan and Gilbert, Syn. Fish. Xorth Amer., 255, 

 1883 (Arkansas to Mexico); Eigenm., Proc. U. S. Xat. Mus., XVI., 56, 1893. 



Habitat: — Texas; Mexico. 



This species may prove identical with T. mexicanus Filippi. 



91. Tetragoiiopterus copei Steindachner. 



Flussfisclie Siidamerika's, IV., 35, pi. VI., tig. 6, 1882 (Santarem); Eigenm. 

 & Eigenm., Proc. U. S. Xat. Mus., XIV., 53, 1891. 



Hafntat : — Santarem; Itaituba ; Para; Brazil. 



One specimen from Itaituba, nineteen are recorded from Brazil. 

 Three of the specimens from Brazil have inconspicuous caudal and 

 humeral spots, and in tiiirteen of them the spots are very evident. 

 Eight specimens from the Lower Amazons and one from Para. 



92. Tetragoiiopterus diapliauus Cope. 



Proc. Amer. Philos. Soc, 691, 1878 (Peruvian Amazon); Eigenm. & 

 Eigenm., Proc. U. S. Xat. Mus., XIV., 53, 1891. 



Habitat: — Peruvian Amazon. 



