396 FISHES OF WESTERN SOUTH AMERICA 
Labrus bimaculatus Linnaeus, 1758, Syst. Nat., ed. x, 285; 
Linnaeus, 1766, Syst. Nat., ed. xii, I, 477. 
Perca bimaculata Bloch, 1792, Ausl. Fische, VI, 82, pl. ecex, fig. 1. 
Cichla bimaculata Bloch and Schneider, 1801, Syst. Ichth., 338. 
Acara bimaculata Giinther, 1862, Cat. Fish. Brit. Mus., IV, 276; 
Pellegrin, 1899, Bull. Mus. Hist. Nat., V, 158. 
Heros bimaculatus Cope, 1871, Proce. Acad. Nat. Sci. Phila., X XIII, 254, Rio Ambyiacu; 
Cope, 1878, Proc. Amer. Phil. Soe., X VII, 696, Rio Marajfion. 
Acara (Heros) bimaculatus Steindachner, 1875, Sitzb. KIX. Akad. Wiss. Wien, LX-XI, 82, Pebas; 
Steindachner, 1882 (1883), Denksch. KIX. Akad. Wiss. Wien, XLVI, 2, Rio Huallaga, one, 
100 mm. 
Astronotus (Heros) bimaculata Eigenmann and Eigenmann, 1891, Proc. U. 8. Nat. Mus., XIV, 68. 
Cichlasoma bimaculatum Pellegrin, 1903 (1904), Mém. Soc. Zool. France, XVI, 204; 
Regan, 1905, Ann. Mag. Nat. Hist., (7), XVI, 68; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 473; 
Eigenmann, 1912, Mem. Carnegie Mus., V, 495; 
Fowler, 1939 (1940), Proc. Acad. Nat. Sei. Phila., XCI, 280, two, 85 and 88 mm., Contamana. 
Amazons to Paraguay basin and Trinidad 
17781, 28, 25-177 mm., pond, Yurimaguas, Allen, November, 1920. 
17782, 1, 87 mm., Yarinacocha, Allen, August, 1920. 
17783, 2, 89 and 177 mm., Rio Huallaga, Yurimaguas, Allen, November, 1920. 
17784, 2, 92 and 111 mm., Lago Cashiboya, Allen, August, 1920. 
Fowler finds acara employed as the common name. 
509. CICHLAURUS SEVERUS (Heckel) 
Heros severus Heckel, 1840, Ann. Wiener Mus., I], 362. 
Astronotus (Heros) severus Eigenmann and Eigenmann, 1891, Proc. U. 8. Nat. Mus., XIV, 68; 
Eigenmann and Bray, 1894, Ann. N. Y. Acad. Sci., VIT, 619. 
Cichlasoma severum Regan, 1905, Ann. Mag. Nat. Hist., (7), XVI, 322; 
Eigenmann, 1910, Rept. Princeton Univ. Exped. Patagonia, III, 475; 
Haseman, 1911e, Ann. Carnegie Mus., VII, 343; 
Eigenmann, 1912, Mem. Carnegie Mus., V, 497; 
Fowler, 1939 (1940), Proc. Acad. Nat. Sci. Phila., XCI, 281, two, 100 and 105 mm., 
Contamana. 
Chromys fasciata Castelnau, 1855, Anim. Amér. Sud, Poiss., 17, pl. ix, fig. 2. 
Chromys appendiculata Castelnau, 1855, Anim. Amér. Sud, Poiss., 15, pl. vii, fig. 3, Rio Ucayali. 
Acara (Heros) spuria Steindachner, 1874, Sitab. KK. Akad. Wiss. Wien, LXIX, 9, pl. iv; 
Steindachner, 1875, Sitzb. Kix. Akad. Wiss. Wien, LX-X, 507, pl. iv; 
Steindachner, 1882 (1883), Denksch. KIx. Akad. Wiss. Wien, XLVI, 2, Rio Huallaga, three 
specimens. 
Heros spurius Pellegrin, 1903 (1904), Mém. Soc. Zool. France, X VI, 236, Rio Ucayali and Tabatinga 
to Tocantins. 
Uarus centrarchoides Cope, 1871, Proce. Acad. Nat. Sci. Phila., X XIII, 253, pl. xi, fig. 2, R. Ambyiacu. 
Amazons to Guiana and the Parahyba 
17785, 5, 85-172 mm., Yarinacocha, Allen, August, 1920. 
17786, 1, 165 mm., Iquitos, Morris, 1922. 
17787, 15, 80-103 mm., Lago Cashiboya, Allen, August, 1920. 
