THE GYMNOTID EELS OF TROPICAL AMERICA. 141 
Sternarchorhynchus miillert CASTELNAU, Anim. Amer. Sud. Poiss., 1855. 
Sternarchus mormyrus STEINDACHNER, Die Gymnotide, 5, pl. 1, fig. 3 (Mara- 
bitanos); Ginter, Cat., VIII, 4, 1870 (Peruvian Amazon); EIGENMANN AND 
EIGENMANN, Proc. U. 8. Nat. Mus., XIV, 1891, 62; ElcENMANN AND Bran, 
Proc. U. 8. Nat. Mus., Vol. 31, 666 (Lower Amazon); EIGENMANN AND Warp, 
Proc. Wash. Acad. Sci., VII, 1905, 167 (Marabitanos, Peruvian Amazon); 
von InerRING, Os Peixes do Brazil, Part 1 A, 1907; Ercenmann, Repts. 
Princeton Univ. Exp. Patagonia, III, 1910, 449 (Peruvian Amazon). 
Fic. 9. Sternarchorhynchus oxyrhynchus (Miiller & Troschel). 
Sternarchus (Rhamphosternarchus) curvirostris BOULENGER, Proc. Zool. Soc., 1887, 
282, pl. XXIV (Canelos). 
Sternarchorhynchus curvirostris EIGENMANN AND EIGENMANN, Proc. U.S. Nat. Mus., 
XIV, 1881, 62; EIGENMANN AND Warp, Proc. Wash. Acad. Sci., VII, 167 (Cane- 
los); von Inmrina, Os Peixes do Brazil, Part 1 A, 1907; Eraenmann, Repts. 
Princeton Univ. Exp. Patagonia, III, 1910, 449 (Canelos). 
3186 C. M., three, 235-260 mm. Santarem, Dec. 12, 1909, Haseman. 
3187 C. M., one, 290 mm. Parad, Jan. 22, 1910, Haseman. 
1807 C. M., one, 185 mm. Warraputa, Eigenmann. 
1808 C. M., 12590 I. U. M., four, 165-240 mm. Amatuk, Eigenmann. 
Head 4.8 to 6.9, depth 9.6 to 9.8 in the length to the end of the anal; anal 
rays 168-215.° Snout 1.6 to 1.8, interorbital 13 to 18 in the head; eye equal to 
the interorbital, 8.5 to 9 in the snout, 13 to 14 in the head. 
Body and head compressed; width of head 2.75 to 4, depth of head in the 
occipital region 1.25 to 1.9.in the greatest depth of the body; anus on, or a little 
6 The number of anal rays of the specimens examined and of the type are 
jMraneh quite, 18inir (Cute s en opens eoeeec 168 168 170 174 
Warraputa, Brit. Guiana............. 180 
Seidman, Bealls owe apo BOOuOO Bee 192 196 197 
sinstepbaUevzaletererevars tree Glevee, a1 encteue ele voor 194 
In addition to this list Eigenmann & Bean record specimens of Sternarchorhynchus mormyrus from the 
lower Amazon with 191 to 194 rays (size not given). 
