ANNOTATED LIST OF THE SPECIES 293 
Rio Huallaga to Paraguay basin 
15828, 6, 49-89 mm., creek, Rio Morona, Allen, October, 1920. 
15831, 2, 38 and 75 mm., creek, Yurimaguas, Allen, November, 1920. 
389. CURIMATA TRACHYSTETHA Cope 
Curimatus trachystethus Cope, 1878, Proc. Amer. Phil. Soc., XVII, 684, Peruvian Amazon, Orton 
collection. 
Curimatus bimaculatus trachystethus Eigenmann and EKigenmann, 1889, Ann. N. Y. Acad. Sei., IV, 
422; 
Eigenmann and Eigenmann, 1891, Proc. U. 8S. Nat. Mus., XIV, 47; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 421. 
Curimata (Steindachnerina) trachystethus Fowler, 1906 (1907), Proc. Acad. Nat. Sci. Phila., LVIII, 
299, fig. 5. 
Peruvian Amazon and Serpa 
According to Fowler differing from C. bimaculata in the greater arching of the 
ventral line, the lack of a caudal spot, a blackish spot behind the tip of the occipital 
process, and scales of smaller size, 8 —48 to 52—6 to 7. 
390. CURIMATA DOBULA Giinther 
Curimatus dobula Giinther, 1868, Proc. Zool. Soe. London, 243, Rio Huallaga, three, 44 inches, 
Bartlett collection; 
Boulenger, 1887, Proc. Zool. Soc. London, 279, Canelos; 
Eigenmann and Higenmann, 1889, Ann. N. Y. Acad. Sci., [V, 423; 
Jigenmann and Kigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 47; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 421. 
Eastern slopes of Peru and Ecuador 
Without a black spot on the middle caudal rays or sides; a black spot on base 
of dorsal fin; lateral line count 43. 
391. CURIMATA ASPERA Giinther 
Curimatus asper Giinther, 1868, Proc. Zool. Soc. London, 243, text fig. 8, four specimens, 7 inches, 
Huallaga and Xeberos; 
Eigenmann and Eigenmann, 1889, Ann. N. Y. Acad. Sci., IV, 426; 
‘igenmann and Figenmann, 1891, Proc. U.S. Nat. Mus., XTV, 47, 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, IIT, 422. 
Peruvian Amazon 
15819, 2, 180 and 204 mm., Gosulimacocha, Allen, October, 1920. 
D. 10-11: A. 12-13; scale counts respectively: 13—51—7 and 14—54—7. 
Like C. dobula in the lack of spots on the middle caudal rays or sides, but un- 
like it in also lacking the black spot on the dorsal fin; differing from C. leucisca in 
the greater number of scales; near C. rutiloides in the scale formula, and differing 
in the slightly inferior mouth. 
