THE GYMNOTID^ 1 73 



Sternofygus v/rcsccns^ Kaup, Apod., 137 ; Steindacliner, Die 

 Gymnotidae, 12, 1S68 (Matto Grosso : Rio Negro, Guapore, 

 Alarabitanos ; Irisanga ; Guapore); Giinther, Proc. Zool. 

 Soc. 1868, 229(Xeberos); Giinther, Cat., VIII, 7, 1870 (Suri- 

 nam; Lagoa Santa; Xeberos) ; Cope, Proc. Am. Philos. 

 Soc. 1870, 570 (Pebas; Rio Parana); Cope, Proc. Ac. Nat. 

 Sci. Phila. 1871, 257 (Ambyiacu) ; Liitken, Velhas-Flodens 

 Fiske, 247 and XIX, 1875 (Lagoa Santa and Rio das Velhas) ; 

 Peters, Mb. Ak. Wiss. Berlin, 1S77, 473 (Apure) ; Stein- 

 dachner, Fisch-f. Magd. Stromes, 55, pi. XIV, fig. 4, 1878; 

 Cope, Proc. Am. Philos. Soc. 1878, 682 (Peruvian Amazon) ; 

 Cope, Proc. Am. Philos. Soc. 1894, 93 (Rio Grande do Sul) ; 

 Boulenger, Trans. Zool. Soc, XIV, 38, 1894 (Descalvados). 



Ci'yptops virescens, Eigenmann, Ann. N. Y. Ac. Sci., VII, 

 1894, 626; Eigenmann, /. c, 635 (Rio Grande do Sul); 

 Boulenger, Boll. Torino, X, 3, 1895 (Colonia Risso, Para- 

 guay) ; Boulenger, Am. Mus. Civico, Genova, 1898, 127 

 (Puerto 14 de Mayo). 



Eigemnannia virescens^ Eigenmann & Norris, Revista Mus. 

 Paulista, IV, 549 (Piracicaba); Eigenmann & Kenned}'-, 

 Proc. Ac. Nat. Sci. Phila. 1903, 530 (Arroyo Trementina ; 

 Paraguay). 



Sternofygus tumifrons Miiller & Troschel, Hor. Ichthyol., 

 Ill, 14, 1849, South America. 



Sicrnofygus lineatus Miiller & Troschel, /. <:., Ill, 14, 1849, 

 Lake Amucu in Guiana; Kaup, Apod., 138; Steindachner, 

 Die Gymnotid^e, 261, 1868. 



Cr-yftops lineatus^ Eigenmann, Ann. N. Y. Ac. Sci., VII, 

 1894, 635 (Rio Grande do Sul). 



Sicrnopygus mia-ostoimts Reinhardt, Videnk. Meddel. Naturf. 

 For. Kjobenh. 1852 or Wiegm. Archj. 1854, ^S^- 



Stei'nopygiis limbatus Schreiner & Ribeiro, Arch. Mus. do Rio 

 de Janeiro, XII, 6, 1902, Amazonas. 

 Habitat : Rio Magdalena to Rio de La Plata, East of the 



Andes. 



The specimens of lineatus mentioned by Eigenmann from 



Rio Grande do Sul have a more strongly arched ventral profile 



resembling in this respect ImmboIdtii\ but they have a broad 



