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Show 158 MR. C. TATE REGAN ON SOUTH-AMERICAN [M a r . 7 , D. X X -X X I I I 12-13. A . I l l 8 -1 0 ; diameter of eye -3- the length of head (in a specimen of 169 mm.) ........................... D. X X -X X IT 10-11. A. I l l 7 -8 ; diameter of eye j the length of head (in a specimen of 225 mm.) ......................................... 3. Maxillary not extending to the vertical from anterior margin of eye; 57 scales in a longitudinal series below the lateral line. D. X V I I I -X X 11-13. A. I l l 7 -9 ............................................................................... B. 84-130 scales in a longitudinal series below the lateral line. 1. Maxillary not extending to below the eye: snout more than ^ the length of head. a. Interorbital width 4 1 -5 in the length of head. I). X X I I I 13-14. A . I l l 9 -10. 84-95 scales in a longitudinal series below the lateral lin e ............................................................ 8. vittata. D. X X IV 14. A . I l l 11. 113 scales in a longitudinal series below the lateral line.......................................................................... 9. acvMrostris. b. Interorbital width in the length of head. D. X X I V -X X V 13-14. A . I l l 9 -1 0 .............................................. 10. multispinosa. 2.# Maxillary extending to below anterior margin of eye or a little beyond; snout the length of head or less. a. Scales above posterior part of upper lateral line ctenoid. D. X X I I -X X I I I 15-17. A . I l l 10-12. 93-108 scales in a longitudinal series below the lateral line, 14-16 between first dorsal spine and lateral line; snout 3^-3| in the length of head............................................................ 11. strigata. 106-113 scales in a longitudinal series below the lateral line, 16-17 between first dorsal spine and lateral line; snout 3 -3 £ in the length of head ............................................................ 12. lugubris. 120 scales in a longitudinal series below the lateral line, 20 between first dorsal spine and lateral line................................ 13. cincta. b. Scales above upper lateral line all cycloid; 112- 130 in a longitudinal series below the lateral line. D. X X I -X X I I 1 17-19. A . I l l 11-12. 18-20 scales between first dorsal spine and lateral line; maxillary extending a little beyond anterior margin of eye........ 14. ornata. 15 or 16 scales between first dorsal spine and lateral line; maxillary extending to below anterior margin of eye ........ 15. lenticulata. I I . Scales cycloid, small; nostril nearer to tip of snout than to eye ............................................................................................. . 16. Johanna. 1. C r e n ic ic h l a l e p id o t a . Crenicichla l&pidota Heck. Ann. Mus. Wien, ii. 1840, p. 429 ; Hens. Arch. f. Nat. 1870, p. 55 ; Steind. Sitzb. Ak. Wien, lxx. 1874, p. 520 ; Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 372 (1904). Depth of body 3-4 in the length, length of head 3. Diameter of eye 3|-5 in the length of head, length of snout 31-4 and equal to the interorbital width. Nostril nearer to eye than to tip of snout. Maxillary extending to below anterior v of eye or beyond; depth of prseorbital the diameter of eye or less. Anterior teeth * Crenicichla brasiliensis var. marmorata (Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 383, fig.) is probably a valid species belonging to this section, but. is insufficiently described. D. X X IV 17. A . I l l 11. Scales 116 (i. e. below the lateral line) ^ f. Yellowish; an irregular brown band at the base of the dorsal; a series of brown spots and blotches along the middle of the side. The Perea brasiliensis of Bloch does not resemble any known species of Crenicichla and may represent a young example of Cichla temensis Humb. 5. lacustris. 6. macrophthalmus. 7. ivallacii. |
