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Show 156 MR. C. TATE REGAN ON SOUTH-AMERICAN [Mar. 7, 250 mm. in total length. The types of C. elegans, from the Peruvian Amazon, 85 and 105 mm. respectively. 4. B a tr a cho p s p u n c t u l a tu s , sp. n. (Plate X IY . fig. 1.) Crenicichla reticulata (non Heck.) Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 378 (1904). Depth of body 5-| in the length, length of head 3 •]. Diameter of eye 4| in the length of head, length of snout 3|, interorbital width 3|. Nostril nearer to tip of snout than to eye. Maxillary extending a little beyond anterior margin of e y e ; depth of prteorbital \ the diameter of eye. Anterior teeth forming 3 series in each jaw. 9 gill-rakers on the lower part of anterior arch. Scales denticulated except on the head, the lower parts of thorax and abdomen and anteriorly above the lateral line, 8 0^ , 68 in a longitudinal series below the lateral line, 4 or 5 between last dorsal spine and lateral line, 3 between upper and lower lateral lines. Dorsal X X I I I (X X IV 11-12) 13, the spines subequal from the tenth, the last nearly the length of head. Anal III (7) 8. Pectoral nearly |, ventral more than h the length of head. Caudal peduncle as long as deep. Brownish, each scale with a dark spot at the base; a dark band from eye to operculum, ending in a spot above the pectoral; traces of cross-bars on the bod y; a blackish ocellated spot on the upper part of the base of caudal; dorsal with a blackish intramarginal band. Guiana, R. Amazon. 1. (140 mm.) type of tlie species. E. Essequibo. Mr. Ehrhardt. 5. B atr acho ps c y a n o n o tu s. Crenicichla cyanonotus Cope, Proc. Am. Phil. Soc. xi. 1871, p. 569 ; Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 378 (1904). Depth of body about 5| in the length, length of head about 3g (6| and 4 respectively in the total length, with caudal). Snout as long as the eye, the diameter of which is 3f in the length of head and nearly equal to the interorbital width. Maxillary extending to below anterior 5 of eye. 66 scales in a longitudinal series below the lateral line, 5 in a transverse series above the lateral line (? at about the middle of the spinous dorsal), 13 between lateral line and the ventral fin. Dorsal X X IV 11. Anal I I I 8. Olivaceous; 7 oblique dark cross-bars on the body; a dark stripe from eye to extremity of operculum; a dark ocellus on the upper part of the base of caudal; doi'sal and anal fins unspotted, blue at the base. The type, from the R. Maranon, Upper Amazon, measures 150 mm. in total length. C r e n ic ic h l a . Crenicichla Heck. Ann. Mus. Wien, ii. 1840, p. 416. Crenicichla (part.) Gttnth. Cat. Fish. iv. p. 305 (1862) ; Eigenm. & Bray, Ann. Ac. N. York, vii. 1894, p. 620; Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 372 (1904). Body oblong or elongate, more or less compressed; scales small |
