THE GYMNOTID EELS OF TROPICAL AMERICA. MP7 
6. Eigenmannia virescens (Valenciennes). 
Sternarchus virescens VALENCIENNES, in d’Orb., Voy. Am. Merid., Poiss., ii, pl. 13, 
fig. 2, 1847. 
Sternopygus virescens MULLER AND TroscHeL, Hore Ichthyol., III, 14, 1849 
(Guiana); Kaup, Apod., 137, 1856; Srmeinpacnuner, Die Gymnotide, 12, 
1868 (Matto Grosso, Rio Negro, Guaporé, Marabitanos, Irisanga); GUNTHER, 
Proce. Zool. Soc., 1868, 229 (Xeberos); Ginruer, Cat., VIII, 7, 1870 (Surinam, 
Lagoa Santa, Xeberos); Copr, Proc. Am. Philos. Soc., 1870, 570 (Pebas, 
Rio Parana); Corr, Proc. Acad. Nat. Sci. Phila., 1871, 257 (Ambyiacu); 
LirxKen, Velhas-Flodens Fiske, 247 and XIX, 1875 (Lagoa Santa and Rio das 
Velhas); Prerers, Mb. Ak. Wiss. Berlin, 1877, 473 (Apuré); STrEINDACHNER, 
Fisch-f. Magd. Stromes, 55, pl. XIV, fig. 4, 1878; Cops, Proc. Am. Philos. 
Soc., 1878, 682 (Peruvian Amazon); Cops, lI. c., 1894, 93 (Rio Grande do 
Sul); Boutenasr, Trans. Zool. Soc., XIV, 38, 1894 (Descalvados). 
Cryptops virescens EIGENMANN, Ann. N. Y. Acad. Sci., VII, 1894, 626; E1cEn- 
MANN, J. c., 635 (Rio Grande do Sul); BoutEencer, Boll. Torino, X, 3, 1895 
(Colonia Risso, Paraguay); BouLEnacEr, Ann. Mus. Civico, Genova, 1898, 127 
(Puerto 14 de Mayo). 
Eigenmannia virescens EIGENMANN AND Norris, Revista Mus. Paulista, IV, 549 
(Piracicaba); EIGENMANN AND KENNEDY, Proc. Acad. Nat. Sci. Phila., 1903, 
530 (Arroya Trementina, Paraguay); E1GENMANN AND Warp, Proc. Wash. 
Acad. Sci., Vol. VII, 1905, 172 (Rio Magdalena to Rio de la Plata, east of 
the Andes); von InERING, Os Peixes do Brazil, Part 1 A, 1907; ErGENMANN, 
Repts. Princeton Univ. Exp. Patagonia, III, 1910, 449 (Rio Magdalena to 
Rio de la Plata, east of Andes). 
Sternopygus lineatus MULLER AND TroscHEL, I. c., III, 14, 1849, Lake Amucu in 
Guiana; Kaur, Apod., 1388; STEINDACHNER, Die Gymnotidee, 261, 1868. 
Cryptops lineatus EIGENMANN, Ann. N. Y. Acad. Sci., VII, 1894, 635 (Rio Grande 
do Sul). 
Sternopygus tumifrons MULLER AND TRoscHEL, Hore Ichthyol., III, 14, 1849 
(South America). 
Sternopygus microstomus REINHARDT, Vidensk. Meddel. Naturh. For. Kjébenh. , 
°1852 or Wiegm. Arch., 1854, 181. 
Sternopygus limbatus SCHREINER AND Ripetrro, Arch. Mus. do Rio de Janeiro, 
XII, 6, 1902 (Amazonas). 
Sternopygus humboldtii SvrrernpAcHNER, Fisch-f. Magd. Str., 55, pl. XIV, 1878 
(Magdalena); id., Flussf. Siidam., I, 21, 1879 (Mamoni R. at Chepo); 7d., Fisch- 
fauna Cauca and Guayaquil, 36, 1880 (Cauca); EIGENMANN aND EIGENMANN, 
Proc. U. 8. Nat. Mus., XIV, 1891, 62; SrernpacHnmR, Denk. Akad. Wiss. 
Wien, LX XII, 147, 1902 (Baranquilla on Rio Magdalena). 
Cryptops humboldtii EtigeNMANN, Ann. N. Y. Acad. Sei., VII, 1894, 625 (Marajo). 
Eigenmannia humboldti JonvpAN AND EVERMANN, Fishes North and Mid. Amer., 
