226 Mr. C. T. Reo-an on the Fishes of the 



part of auterior arch. Scales 34-35 f|_",'l, 3 or 3^ between 

 lateral line and base of anterior rays of soft dorsal. Dorsal 

 XVII-XVIII 12-15, commencing a!)ove the opercular cleft, 

 the spines subequal from about the sixth to the fifteenth, 

 thence increasing to the last, which is ^ the length of head; 

 soft fin, when laid back, extending to base of caudal. 

 Anal Y-VI 8-10. Pectoral | the length of head, not 

 extending so far as the ventral, which nearly reaches the 

 origin of anal. Caudal truncate. Caudal peduncle about 

 as long as deep. Olivaceous, with obscure darker cross-bars 

 and with a blackish longitudinal band from operculum to 

 base of caudal, where it ends in a dark spot ; vertical fins 

 dusky. 



Southern Mexico. 



1-4. (112-23.5 mm.) Pdo Tonto, La Rava. Dr. 11. Gadow. 



14. C'lchlosoma nehuJiferum. 



Heros nebuUfer, Giinth. Troc. Zool. Soc. 1860, p. 318, and Cat. Fish. 



iv. p. 297 (1862). 

 Heros (fibbiceps, Steind. Denkschr. Ak. Wien, xxiii. 1864, p. QQ, pi. v. 



figs.'l & 2; Jord. & Everm. Bull. U.S. Xat. Mas. xlvii. 1898, 



p. 15.36 ; Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 2-32 (1904). 

 Cichlnsoma nebulifennn, Jord. & Everm. t. c. p. 1524 ; Pellegr. t. c. 



p. 216; Meek, Zool. Pub. Columbian Mus. v. 1904, p. 220. 

 C'ichlasoma teapae, Everm. & Goldsborough, Bull. U.S. Fish. Comm. 



xxi. 1902, p. 156, fig.; PeUegr. L c. p. 2l3. 



Depth of body 2i-2§ in the length, length of head 3§-4. 

 Snout shorter than postorbital part of head. Diameter of 

 eye 4-4^ in the length of head, iuterorbital width 3. Depth 

 of prseorbital 1-1^ the diameter of eye. Maxillary not nearly 

 extending to vertical from anterior margin of eye ; lower 

 jaw shoi'ter than the upper ; fold of the lower lip not 

 continuous ; cheek with 5 or 6 series of scales ; 8 or 9 

 gill-rakers on the lower part of anterior arch. Scales 

 33-35 j2iii> ^2 or 4 between lateral line and base of anterior 

 part of^soft dorsal. Dorsal XYII-XYIII 12-13 (14), 

 commencing above extremity of operculum, the spines sub- 

 equal from about the seventh to the fourteenth, which are 

 •^ the length of head, thence increasing to the last, which is 

 I the length of head ; the soft fin, when laid back, extending 

 to base of caudal. Anal VI 9 (10). Pectoral 4 the length 

 of head ; ventral as long, not quite reaching the origin of 

 anal. Caudal truncate or subtruncate. Caudal peduncle as 

 long as or longer tiian deep. Olivaceous, each scale with a 

 dark brow^n intra-marginal line ; a series of dark blotches 



