502 MEMOIRS OF THE CARNEGIE MUSEUM 



d'Hist. Nat., VII, 1902, 182 (Marajo; Santarem; Manaos; Teffe; Tonantins; 



Tabatinga). — Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 1910, 



479. 

 Acara suhocularis Cope, Proc. Am. Philos. Soc, XVII, 1878, 696 (Peruvian Ama- 

 zon). 



Thirteen specimens, 42-72 mm. Rockstone. (C. M. Cat. No. 2346a-c; I. U. 

 Cat. No. 12497.) 



Six specimens, 64-130 mm. Gluck Island. (C. M. Cat. No. 2347a-c; I. U. 

 Cat. No. 12498.) 



One specimen, 87 mm. Malali. (C. M. Cat. No. 2348a.) 



One specimen, 61 mm. Tumatumari. (C. M. Cat. No. 2349a.) 



One specimen, 105 mm. Crab Falls. (C. M. Cat. No. 2350a.) 



Thirteen specimens, 55-100 mm. Konawaruk. (C. M. Cat. No. 2351a-c; 

 I. U. Cat. No. 12499.) 



Seven specimens, 55-103 mm. Lama Stop-Off. (C. M. Cat. No. 2352a-d; 

 I. U. Cat. No. 12500.) 



Head 3.33; depth 2.2-2.4; D. XV,10 or 11; A. 111,8 or 9, rarely 10; lateral 

 line 17-19 + 15 or 16; scales 29-31 along a median series; eye 2.66-3 in the head, 1 

 in the interorbital; preorbital less than the diameter of the eye, except in the old. 



Deep forward, profile rapidly descending to the tip of the snout, less rapidly 

 to the caudal peduncle, which is 1.4 times as long as deep; mouth small, maxillary 

 not extending to below the eye; maxillary-premaxillary border 4 in the head. 

 Seven small rakers on the lower gill-arch; distance of eye from the gill-opening less 

 than 2 in its distance from the snout. 



Scales of breast very small, two and one-half scales between the end of the 

 lateral line and the dorsal; dorsal and anal naked; caudal lobes scaled for more 

 than half their length, but without lateral line organs. 



Dorsal spines subequal from the sixth, the last equal to half the length of the 

 head; caudal emarginate, especially in the young; pectoral longer than the head, 

 extending to above the anal spines; ventral filaments extending beyond the origin 

 of the anal. 



An ocellated black spot on the lateral line below the end of the spinous dorsal ; 

 a curved black stripe from the nape through the eye beyond the angle of the pre- 

 opercle, most intense below the eye; sides with broad, obscure cross-bars; fins plain. 



Geophagus Heckel. 

 Geophagus Heckel, Ann. Wiener Mus., II, 1840, 383 (altifruns) . 



Type, Geophagus altifrons Heckel = Sparus surinamensis Bloch. 



