168 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 99 



pores in lateral line about 23 or 24 + 11; about 4 scales from base 

 of last dorsal spine to lateral line and 2 scales between lateral lines. 



Crenicichla alta Eigenmann 

 46. Humeral spot below lateral line; a dark band from snout passing 

 through eye ending in humeral spot; sides of body dorsalh' some- 

 times with dark bars; chin darkish, middle not pale; dorsal rays 

 XVII to XX, 13 to 16; anal III, 8 to 10; scale rows about 50 to 60; 

 pores in lateral line 22 to 26 + 9 to 12; 3 or 4 scales from base of 

 last dorsal spine to lateral line and 2 or 3 scales between lateral lines. 



Crenicichla sazatilis (Linnaeus) 



36. No humeral spot; dorsal rays XXII, 11; anal III, 8; scale rows about 57; 



pores in lateral line 24 + 10; scales between lateral line and last 



dorsal spine 4, and between lateral lines 2; a dark stripe from eye to 



operculum and sometimes dark blotches along middle of sides. 



Crenicichla geayi Pellegrin 



26. Maxillary reaching only to a vertical line through front of eye or not to 



front of eye. 



5a. Maxillary not extending to a vertical line through front margin of eye; 



scale rows about 57; lateral line pores about 21 + 10; dorsal rays 



usually XX or XXI, 9 to 11; anal raj's III, 7 to 9; scales from base of 



last dorsal spine to lateral line 2 and 3 between lateral lines; no humeral 



spot; a dark streak from snout past eye to caudal fading on caudal in 



adults; young with 7 or 8 dark cross bars on back. 



Crenicichla wallacii Regan 

 56. Maxillary reaching to a vertical line through front margin of ej'e. 



6a. Scale rows from upper edge of opercular opening to midcaudal fin base 

 62 to 70; pores in lateral line 23 to 25 + 11 to 13; 4 scales between 

 base of last dorsal spine and lateral line, and 2 or 3 scales between 

 lateral Hnes; dorsal rays XX to XXII, 10 to 13; anal rays 111,7 to 9; 

 a dark stripe through eye to operculum; in young about 7 double 

 cross bars; no distinct humeral spot; ocellated caudal spot at least 



in j'oung Crenicichla macrophthalma Heckel 



66. Scale rows 106 to 113; pores in lateral Hne 25 to 27 + 14 or 15; 10 or 

 11 scales from last dorsal spine to lateral line and 4 to 6 scales between 

 lateral lines; black spot at base of middle caudal rays; young with 

 lines of black dots Crenicichla lugubris Heckel 



CRENICICHLA JOHANNA Heckel 



Crenicichla Johanna Heckel, Ann. Wien. Mus. Naturg., vol. 2., p. 425, 1840 (Rio 

 Guapor6). — Regan, Proc. Zool. Soc. London, 1905, pt. 1, p. 168 (Vene- 

 zuela). — Ihering, Rev. Mus. Paulista, vol. 7, p. 307, 1907 (Venezuela). — 

 Eigenmann and Allen, Fishes of western South America, p. 406, 1942 

 (Venezuela). 



CRENICICHLA ALTA Eigenmann 



Crenicichla alta Eigenmann, Mem. Carnegie Mus., vol. 5, p. 516, pi. 68, fig. 3, 1912 

 (Gluck Island and other localities in British Guiana). 



One specimen, 51 mm., from near Caripito, William Beebe. 



The above specimen lacks the humeral spot, but the black lateral 

 band is prominent; ocellated black caudal spot at base of caudal fin 

 rays above end of lateral line. The following counts were made: 

 Dorsal rays XVIII,15; anal 111,9; scale rows 58, pores in lateral line 

 24 + 11. 



