EIGENMANN: the freshwater fishes of BRITISH GUIANA 303 



XXV, 1900, — (Urucum).— Pellegrin, Bull. Mus. d'Hist. Nat., V, 1899, 406 



(Manaos).— Fowler, Proc. Acad. Nat. Sol. Phila., 1906, 328 (Pebas; Peruvian 



Amazon).— Eigenmann and Ogle, Proc. U. S. Nat. Mus., XXXIII, 1907, 7 



(Paraguay).— EiGENMANN, Ann. Carnegie Mus., IV, 1907, 125 (Puerto Max); 



Repts. Princeton Univ. Exp. Patagonia, III, 1910, 426. 

 ? Curimatus frederici Perugia, Ann. Mus. Genova, (2 a), X, 1891, 41 (Candelaria). 



— Lahille, Rev. Mus. la Plata, VI, 1895, 7 (Puerto Viejo; Punta Lara). 

 Curimatus acutidens Valenciennes, in d'Orbigny, Voy. Am. Mer., V, ii, 1847, 9, 



pi. 8, fig. 1 (La Plata). 

 Lepormus lescJmiaulti Cuvier and Valenciennes, Hist. Nat. Poiss., XXII, 1848. 



30, pi. 635 (Mana).— GtJNTHER, Catalogue, V, 1864, 307 (Andes of western 



Ecuador; River Capin). — Peters, MB. Akad. Wiss. Berlin, 1877, 472 



(Calabozo).— Perugia, Ann. Mus. Genova, (2 a], X, 1891, 41 (Villa Maria, 



Rio Paraguay, Matto Grosso).— Pellegrin, Bull. Mus. d'Hist. Nat., V, 1899, 



157 (Apure), 

 Lepori?ius megalepis Gunther (in part, i. e., specimens e, /, and m). Catalogue, V, 



1864, 307 (Surinam). 



Twenty-one specimens, 98-259 mm. Tumatumari, above, below, and in 

 the falls. (C. M. Cat. No. 1840a-d; I. U. Cat. No. 12130.) 



Four specimens, 75 to about 290 mm. Rockstone. (C. M. Cat. No. 1841; 

 L U. Cat. No. 12131.) 



Nine specimens, 122-272 mm. Crab Falls. (C. M. Cat. No. 1842a-6; 

 I. U. Cat. No. 12132.) (figure.) 



Two specimens, 194-195 mm. Kangaruma. (C. M. Cat. No. 1843«; I. 

 U. Cat. No. 12133.) 



Six specimens, 147-293 mm. Wismar. (C. M. Cat. No. 1844a; I. U. Cat. 

 No. 12134.) 



Six specimens, 146-208 mm. Mud-flats below Wismar. (C. M. Cat. No. 

 1845a; I. U. Cat. No. 12135.) 



Forty-four specimens, 77 to about 345 mm. Bartica, rocks. (C. M. Cat. 

 No. 1846a-A-; I. U. Cat. No. 12136.) 



Head 3.75-4; depth 3.25-3.5; D. 12 or 13; A. 10 or 11. Scales 5-38 to 40-4 

 or 5; eye 1.25-1.66 in snout, 3.8-4 in head, 2 in interorbital. 



Compressed, deep, head somewhat wedge-shaped; profile steep; a scarcely 

 perceptible depression over the eyes; mouth subterminal, four teeth on each side 

 of each jaw. 



Origin of dorsal nearer adipose than to tip of snout; margin of dorsal rounded, 



