264 MEMOIRS OF THE CARNEGIE MUSEUM 



— Steindachner, "Flussfische Sudamerika's," i, 1879, 5 (Orinoco near Ciudad 



Bolivar). — Eigenmann and Eigenmann, Ann. N. Y. Acad. Sci., IV, 1889, 419 



(Iga; Teffe; Jutahy; Cudajas; Jose Fernandez; Lake Hyanuary; Alexo; Ueran- 



duba; Jatuarana; Obidos); Proc. U. S. Nat. Mus., XIV, 1891, 47.— Perugia, 



Ann. Mus. Genova, (2), XVIII, 1897, 24 (Reyes).— Vaillant, Bull. Mus. 



d'Hist. Nat., V, 1899, 155 (Carnot).— Boulenger, Bull. Mus. Zool. ed. Anat. 



Comp. Torino, XV, 1900 (Urucuru). — Eigenmann, Repts. Princeton Univ. 



Exp. Patagonia, III, 1910, 421. 

 ? Curimata (Cyphocharax) spilura Fowler, Proc. Acad. Nat. Sci. Phila., 1906, 297, 



fig. 4 (Peruvian Amazon). 



Three specimens, 95-100 mm. Mud-flats, Demerara River. (C. M. Cat. 

 No. 2089a-&; I. U. Cat. No. 12275.) 



Twentj^-two specimens, 70-130 mm. Tukeit. (C. M. Cat. No. 2090a-c; I. U. 

 Cat. No. 12276.) 



Two specimens, 112-117 mm. Potaro Landing. (C. M. Cat. No. 2091a; 

 I. U. Cat. No. 12277.) 



Nine specimens, 89-101 mm. Tumatumari. (C. M. Cat. No. 1292a-e; I. U. 

 Cat. No. 12278.) 



One specimen, 89 mm. Crab Falls. (C. M. Cat. No. 1294.) 



Eight specimens, 35-52 mm., and one 110 mm. Konawaruk. (C. M. Cat. 

 No. 1295a-d; I. U. Cat. No. 12279.) 



Nine specimens, 85-120 mm. Below Packeoo Falls. (C. M. Cat. No. 1297a- 

 e; I. U. Cat. No. 12281.) 



About two hundred twenty specimens, the largest 60 mm. Rupununi. (C. M. 

 Cat. No. 2098a-2; I. U. Cat. No. 12282.) 



Fifteen specimens, the largest 50 mm. Gluck Island. (C. M. Cat. No. 2100a- 

 j; I. U. Cat. No. 12284.) 



Three hundred twenty-three specimens, the largest 80 mm. Rockstone. 

 (C. M. Cat. No. 2IOI0-2; I. U. Cat. No. 12286.) 



Seventy-eight specimens, the largest 106 mm. Wismar. (C. M. Cat. No. 

 2104a-j; I. U. Cat. No. 12288.) 



Abundant. Easily distinguished by its bright caudal spot and by its size. 



Head 4; depth about 3; D. 11 or 12; A. 9; scales 5.5-35-5; eye 1 in snout, 3 

 in head, 1.2 in interorbital. 



Elongate, not greatly compressed; preventral area flattish, with three obscure 

 keels; predorsal area bluntly keeled, with or without a regular series of median 

 (about nine) scales; snout depressed, the mouth inferior. 



