250 



THE AMERICAN CHARACIDAE. 



Telragonopterus laciistris Botjlenqer {7ion Ltitken), Trans. Zool. soc. Lond., 1896, 14, p. 35 (Descalvados 

 and North Paraguay); Eigenmann & Norms, Revista Mus. Paulista, 1900, 4, p. 357 (Piracicaba). 



Aslyanax lacustris Fowler, Proc. Acad. nat. sci. Phil., 1906, p. 433 (Para; Peruvian Amazon). 



Telragonoptervs maciilahis lacustris Eigenmann, Ann. N. Y. acad. sci., 1894, 7, p. 633 (Rio Grande do 

 Sul); Ulrey, Ann. N. Y. acad. sci., 1895, 8, p. 275; Eigenmann & Kennedy, Proc. Acad. nat. sci. 

 Phil., 1903, p. 521 (Asuncion; Estancia la Armonia; Arroyo Trementina). 



Astyanax rupununi Fowler, Proc. Acad. nat. sci. Phil., 1914, p. 243, fig. 6 (Rupununi). 



Habitat. — Eastern slope from about 3000 feet to the ocean, Buenos Aires 

 to the Orinoco Basin, Magdalena. 



Specimens examined. 



' This specimen has but 27 anal rays and scales 7-37-6. 



' Very variable, one 89 mm., has nearly all the characters assigned by Cope to his orientalis in- 

 cluding depth 2; head 4; others of the same length have depth 2.3. 



