THE GYMNOTID^ 169 



Rhamphichthys fantherinus Castelnau, Anim. Amer. Sud, 

 Poiss., 86, pi. 46, lig. 3, 1855, Lake near the Acayale ; Kaup, 

 Apod., 131, fig. 6, 1856; Giinther, Cat., VII, 5, 1870; 

 Peters, Mb. Akad. Wiss. Berl. 1877, 473 (Apure) ; Cope, 

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

 dachner, Fisch-f. Cauca and Guayaquil, 38, 1880 (Manaca- 

 puru ; Matto Grosso ; Surinam ; Uraguay ; La Plata ; Para ; 

 Obidos ; Xingu ; Rio Negro ; Ucayale). Perugia, Ann. Mus. 

 Civico Stor. Nat. Genova, ser. 2, vol. X, 55, 1891 (Asuncion 

 and Rio Maciel at Buenos Aires). 



Rhamphichthys Uneatiis Castelnau, Anim. Amer. Sud, Poiss., 

 87, pi. 47, fig. I, 1855, Tributary of Ucayale ; Kaup, Apod., 

 130, fig. 5, 1856. 



Gyinnotus rostratiis, Steindachner, die Gymnotidse, 8, 1868, in 

 part (Matto Grosso ; Surinam) ; (not of Linnaeus). 

 Habitat : Orinoco and Guianas south to Rio de la Plata. 



17. RHAMPHICHTHYS REINHARDTII Kaup. 



Gymnotus rostratus, Bloch & Schneider, 522, tab. 106, 1801 ; 



not of Linnasus. 

 Gyinnotus rostratits, Steindachner, Die Gymnotidje, 8, 1868 



(Rio Negro) ; in part. 

 Rhainphickthys reinhai'dtii Kaup, Apod., 132, fig. 8, 1856; 



Eigenmann & Eigenmann, Proc. U. S. Nat. Mus., XIV, 



1891, 62. 

 Rhamfhichthys blochiiY^2L\v^, Apod., 133, fig. 9, 1856 ; Giinther, 



Cat., VIII, 5, i860 (Para); Steindachner, Fisch-f. Cauca 



and Guayaquil, 38, 1880 (Rio Negro; Manacapuru ; Para); 



Boulenger, Trans. Zool. Soc, XIV, 1896, 38 (Paraguay); 



Boulenger, Trans. Zool. Soc, XIV, 428, 1898 (Rio Jurua). 



Habitat : Guinas south to Paraguay. 



7. Hypopomus Gill. (Fig. 13.) 



Hyfofonms Gill, Proc Ac. Nat. Sci. Phila. 1864, 152. 



Type : Rhamphichihys inulleri Kaup. 

 Brachyrhamphichthys Giinther, Cat., VIII, 6 {aj'tcdti). 



Geographical distribution of the species : Cauca and Guianas 

 south to Paraguay. 



