504 MEMOIRS OF THE CARNEGIE MUSEUM 



Six specimens, 210-245 mm. Rockstone sand-bank. (C. M. Cat. No. 2330a- 



b; I. U. Cat. No. 12496.) 



Two specimens, 27-33 mm. Crab Falls. (C. M. Cat. No. 2459; I. U. Cat. 



No. 12564.) 



Head 3-3.4; depth 2.25-2.5; D. XVII (rarely XVIII), 11 or 12; A. 111,7 or 8; 



lateral line 22 or 23 + 17 or IS + ffffj; about thirty-five scales in a median line; 



eye 2.25 in the snout, 4 in the head, 1.3 in the interorbital in the old, 1.75, 3, 1 + , 



respectively, in a specimen 112 mm. long. 



Rather elevated forward, the profile steep, the depth of the caudal peduncle 



1.5 in its length; maxillary not reaching to the eye; maxillary-premaxillary border 



3.3 in the head; distance of eye from the gill-opening 3 in its distance from the 



snout. Gill-rakers about 10. 



Scales of the breast very small; base of the dorsal and anal scaled in the old, 



the anal naked in a specimen 180 mm. long, both dorsal and anal naked in the 



smaller young; caudal scaled to near its tip; one or two scales between the lateral 



line and the dorsal; caudal leathery in the old. Dorsal spines subequal from the 



fifth or sixth, or graduated to the last, which may be more than half the head in 



height. Caudal emarginate; ventral filament sometimes reaching to the end of 



the base of anal. 



A large spot below the lateral line near the middle of the length; throat bluish 



black. Living specimens from Rockstone had the breast pink, lower fins dark red 



with light blue stripes; sides with blue lines and deep orange spots, becoming yellow 



below; caudal and dorsal dark red. 



One of the specimens taken on the sand-bank at Rockstone carried young in its 



mouth. 



342. Geophagus jurupari Heckel. (Plate LXVII, figs. 1-3.) 



Geophagus jurupari Heckel, Ann. Wiener Mus., II, 1840, 392 (Barra do Rio 

 Negro). — Cope, Proc. Acad. Nat. Sci. Phila., 1872, 251 (Ambyiacu). — Stein- 

 dachner, "Chromiden Amazonenstromes," in SB. Akad. Wiss. Wien, LXXXI, 

 1875, 60 (Tabatinga; Tonantins; Fonteboa; Serpa; Teffe; Gurupa; Para; 

 Rio Trombetas; Rio Negro, at Manaos; Rio Xingu, at Porto do Moz; Rio 

 Hyutay; Hyavary; Ambyiacu); "Flussfische Stidamerika's," iv, 1882, 2. — 

 Pellegrin, Bull. Mus. d'Hist. Nat., V, 1899, 405 (Manaos); VIII, 1902, 182 

 (Marajo; Santarem; Manaos; Teffe; Tonantins; Tabatinga); "Cichlides," 

 in Mem. Soc. Zool. France, XVI, 1903, 189 (Teffe; Manaos).— Regan, Ann. 

 and Mag. Nat. Hist., (7), XVII, 1906, 56 (Guiana; Lago do Maximo; Coary; 

 Teffe).— von Ihering, Rev. Mus. Paulista, VII, 1907, 319.— Eigenmann, 

 Repts. Princeton Univ. Exp. Patagonia, III, 1910, 479. 



