492 MEMOIRS OF THE CARNEGIE MUSEUM 



Rio Negro; Rio Branco; Porto do Moz; Rio Puty; Rio Guapore, near Matto- 

 grosso; Lakes Jose Assu, Hyanuary, Alexo, Saraca, and Maximo); "Fluss- 

 fische Sudamerika's," iv, 1882, 2 (Rio Huallaga; Rio Amazonas; Iquitos).— 

 Boulenger, Boll. Mus. Zool. ed Anat. Comp. Torino, XV, 1900, — (Caranda- 

 sinho).— Pellegrin, Bull. Mus. d'Hist, Nat., VIII, 1902, 182 (Marajo; San- 

 tarem; Manaos; Teffe; Tabatinga); "Cichlides," 135, in Mem. Soc. Zool. 

 France, XVI, 1903, 171 (British Guiana; Carsevenne, Ucayale; Tabatinga; 

 Cudajas; Tocantins; Para; Rio de Janeiro; Bahia). — Regan, Ann. and Mag. 

 Nat. Hist., (7), XV, 1905, 332 (Essequibo; Gudajas).— von Ihering, Rev. Mus. 

 Paulista, VII, 1907, 309 (Rio Jurua). 



Astronotus tetramerus Eigenmann and Eigenmann, Proc. U. S. Nat. Mus., XIV, 

 1891, 68 (name only). 



Astronotus (jEquidens) tetramerus Eigenmann and Bray, Ann. N. Y. Acad. Sci., 

 VII, 1894, 617. 



Mquidens tetramerus Eigenmann and Kennedy, Proc. Acad. Nat. Sci. Phila., 1903, 

 534 (Rio Branco; Matto Grosso; Gampo Grande; Estancia la Armonia; 

 Arroyo Trementina; Arroyo Carumbey; Tolducuc; Salamanca). — Eigen- 

 mann, Ann. Carnegie Mus., IV, 1907, 144 (Asuncion; Corumba; Bahia Negra; 

 Puerto Max; Villa Rica). — Eigenmann, Repts. Princeton Univ. Exp. Pata- 

 gonia, III, 1910, 471. 



Acara viridis Heckel, Ann. Wiener Mus., II, 1840, 344 (Marabitanos, on the Rio 

 Negro) . 



Acara pallidus Heckel, Ann. Wiener Mus., II, 1840, 347 (Rio Negro). 



Acara dimerus Heckel, Ann. Wiener Mus., II, 1840, 351 (Cujaba). 



Pomotis bono Schomburgk, Fishes Brit. Guiana, II, 1843, 171 (all rivers). 



Chromys punctata Castelnau, Anim. Am. Sud, Poiss., 1855, 13, pi. 8, fig. 1. 



Chromys unioceUata Castelnau, Anim. Am. Sud, Poiss., 1855, 15, pi. 6, fig. 1 

 (Ucayale, Peru). 



Acara unioceUata Gunther, Catalogue, IV, 1862, 281 (copied). 



One specimen, 198 mm. Rupununi. (C. M. Cat. No. 2403a.) 



Four specimens, 70-103 mm. Gluck Island. (C. M. Cat. No. 2404a-o; I. 



U. Cat. No. 12338.) 



Three specimens, 168-180 mm. Lama Stop-Off. (C. M. Cat. No. 2405a-6; 



I. U. Cat. No. 12536.) 



Four specimens, 65-78 mm. Rockstone. (C. M. Cat, No. 2406a-6; I. U. 



Cat, No. 12537.) 



Head 2.75-3; depth 2-2.33; D. XIII-XV 9-11; A. 111,8-10; lateral line 17 + 



