520 MEMOIRS OF THE CARNEGIE MUSEUM 



black and extends to the tip of the caudal, and there are traces of cross-bands on 



the back. 



352. Crenicichla Johanna Heckel. 



Crenicichla Johanna Heckel, Ann. Wiener Mus., II, 1840, 417 (Rio Guapore). — 



Regan, Proc. Zool. Soc. London, 1905, i, 168 (Rio Capin; Rio Cupai; L. 



Hyanuary). — von Ihering, Rev. Mus. Paulista, VII, 1907, 307. — Eigenmann, 



Repts. Princeton Univ. Exp. Patagonia, III, 1910, 478. 

 Crenicichla Johanna Johanna Gunther, Catalogue, IV, 1862, 306 (Rio Cupai). 

 Crenicichla brasiliensis Johanna Pellegrin, Bull. Mus. d'Hist. Nat., VIII, 1902, 182 



(Marajo; Para; Teff e ; Tonantins) ; " Cichlides," 347, in Mem. Soc. Zool. France, 



XVI, 1903, 383, fig. 42, 6 (Orinoco; Amazon; Marajo). 

 Cychla fasciata Schomburgk, Fishes Brit. Guiana, II, 1843, 141, pi. 4. 



One specimen, 132 mm. Below Packeoo. (C. M. Cat. No. 2237.) 



Eight specimens, 113-215 mm. Below Potaro Landing. (C. M. Cat. No. 

 2238a-o; I. U. Cat. No. 12417.) 



One specimen, 252 mm. Crab Falls. (C. M. Cat. No. 2239a.) 



Three specimens, 104-280 mm. Wismar. (C. M. Cat. No. 2240a-6; I. U. 

 Cat. No. 12418.) 



Three specimens, 215-272 mm. Lama Stop-Off. (C. M. Cat. No. 2241a-6; 

 I. U. Cat. No. 12419.) 



One specimen, 283 mm. Tumatumari. (C. M. Cat. No. 2242a.) 



Three specimens, 229-234 mm. Maduni Stop-Off. (C. M. Cat. No. 2243a-6; 

 I. U. Cat. No. 12420.) 



Head 3.4; depth 4-5; D. XXI or XXII, 16 or 17; A. 111,11; scales 109-113 

 in a series below the lateral line; eye 5-5.5 in the head, 1.5-1.7 in the interorbital; 

 anterior nares very close to the lip, much nearer tip of snout than to eye. 



Maxillary extending a little beyond the anterior margin of the eye. Scales 

 cycloid, imbedded, those of the opercles and top of the head smaller in Lama and 

 Maduni specimens than in those from other localities. 



Adult uniform dark above, a little lighter below, rarely a submarginal red 

 (white) stripe on the dorsal and upper part of caudal. 



Young with small black dots on the head and upper half of body, arranged 



into longitudinal lines on the sides; back with numerous cross-shades; no caudal 



spot. Caudal in the young sometimes narrowly margined with light, then with a 



broad black crescent, then another light crescent, the base and middle of the fin 



dark. 



Pterophyllum Heckel. 



Pterophyllum Heckel, Ann. Wiener Mus., II, 1840, 334. 



