THE GYMNOTID^ 167 



bb. Anal 205 to 215; mouth terminal; depth 3 in head. 



oxyrJiynch ns^ 13. 



aa. Anal 1S5 to 18S; snout much bent downward, its width at its 



middle 8 in its length; distance between eye and pectoral 1.5 



in snout; depth 1.6 in head. (Boulengcr) curvirostris^ 14. 



12. STERNARCHORHYNCHUS MORMYRUS 

 (Steindachner). 



Sto-narcJms mo^-myriis Steindachner, Die Gymnotidoe, 5, pi. I, 

 fig. 3, Marabitanos ; Giinther, Cat., VIII, 4, 1870 (Peruvian 

 Amazon); Eigenmann & Eigenmann, Proc. U. S. Nat. 

 Mus., XIV, 1891, 62. 

 Habitat: Marabitanos; Peruvian Amazon. 



13. STERNARCHORHYNCHUS OXYRHYNCHUS 



(Miiller «fe Troschel). 



Stej'narchus oxyrhynchtis Miiller & Troschel, Hor^e Ichthyol., 

 Ill, 16, pi. II, figs. I and 2, 1849, Essequibo ; Kaup, Apod., 

 127; Giinther, Cat., VIII, 4, 1870 (British Guiana); 

 Boulenger, Trans. Zool. Soc, XIV, 427, 1898 (Rio Jurua). 



Sternai'chof'kync/ms oxyrhync/ms, Eigenmann & Eigenmann, 

 Proc. U. S. Nat. Mus., XIV, 1891, 62. 



Sternarchorhynchits imillc7'i, Castelnau, Anim. Amer. Sud. 

 Poiss., 1855. 

 Habitat: Guiana and Rio Jurua. 



14. STERNARCHORHYNCHUS CURVIROSTRIS 



(Boulenger). 



St€?'7iarchus {Rhain^hostcrnarchus) ctirvirostris Boulenger, 

 Proc. Zool. Soc. 1887, 282, pi. XXIV, Canelos. 



SternarchorhyncJms curvirostris, Eigenmann &, Eigenmann, 

 Proc. U. S. Nat. Mus., XIV, 1881, 62. 

 Habitat: Canelos. 



6. Rhampbicbthys Miiller & Troschel. (Fig. 12.) 



Rhamfhichthys Miiller & Troschel, Hor^e Ichthyol., Ill, 15, 

 1849. (T'ype • Gymnotiis rosti'atus L.) 



