ANNOTATED LIST OF THE SPECIES 405 
Crenicichla argynnis Cope, 1871 (1872), Proc. Acad. Nat. Sci. Phila., XXIII, 253, Rio Ambyiacu; 
Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 373. 
Crenicichla proteus Cope, 1871 (1872), Proc. Acad. Nat. Sci. Phila., XXITT, 252, Rio Ambyiacu; 
Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 373. 
Trinidad to Rio Grande do Sul, Paraguay and Peru 
17768, 6, 67-100 mm., brook, Puerto Bermudez, R. Pichis, Allen, July, 1920. 
17769, 5, 115-170 mm. circa, Lago Cashiboya, Allen, August, 1920. 
17770, 1, 134 mm., brook, Rio Itaya, Allen, September, 1920. 
17771, 9, 82-190 mm., creek, Rio Morona, Allen, October, 1920. 
Wiss , pond, Iquitos, Allen, September, 1920. 
17792, 2, 245 and 280 mm., Manaos, Allen, December, 1920. 
525. CRENICICHLA LUCIUS Cope 
Crenicichla lucius Cope, 1871, Proc. Amer. Phil. Soc., XI, 570; 
Cope, 1878, Proc. Amer. Phil. Soc., XVII, 697, Rio Cachiyacu, Huallaga basin, near 
Moyobamba; 
Eigenmann and Eigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 70; 
Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 377; 
Regan, 1905, Ann. Mag. Nat. Hist., (7), XV, 160; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 477. 
Basin of Rio Huallaga 
One specimen, six inches long, in the Hauxwell collection at the Philadelphia 
Academy of Sciences. 
526. CRENICICHLA ANTHURUS Cope 
Crenicichla anthurus Cope, 1871 (1872), Proc. Acad. Nat. Sci. Phila., XXIII, 252, pl. x, fig. 1, Rio 
Ambyiacu; 
BKigenmann and Eigenmann, 1891, Proc. U.S. Nat. Mus., XIV, 70; 
Pellegrin, 1903 (1904), Mém. Soe. Zool. France, XVI, 377. 
Crenicichla lucius (in part) Regan, 1905, Ann. Mag. Nat. Hist., (7), XV, 160; 
Eigenmann, 1910, Rept. Princeton Uniy. Exped. Patagonia, IIT, 477. 
Amazons of Peru and Ecuador 
15986, 4, 111-138 mm., Iquitos, Morris, 1922. 
This material is sufficiently unlike C. luctus to allow its withdrawal from the 
synonymy of that species, placing it with the Ambyiacu species, anthurus, which is 
nearby both taxonomically and geographically. 
527. CRENICICHLA GEAYI Pellegrin 
Crenicichla geayi Pellegrin, 1903, Bull. Mus. Hist. Nat., IX, 123; 
Pellegrin, 1903 (1904), Mém. Soe. Zool. France, XVI, 375; 
Regan, 1905, Proc. Zool. Soc. London, 161; 
Higenmann, 1910, Rept. Princeton Uniy. Exped. Patagonia, ITT, 477. 
Rio Orinoco, Peruvian Amazon 
15986, 6, 114-188 mm. to end of middle caudal rays, Iquitos, Morris, 1922. 
17772, 1, 170 mm., creek, Pto. Bermudez, R. Pichis, Allen, July, 1920. 
