American Cichlid Oenus Cichlosoma. 229 



Depth of body 2 in the length, length of head 3^. Snout 

 as long as the postorbital part of head. Diameter of eve 5 

 in the length of head. Depth of preeorbital 1^ the diameter 

 of eye. Maxillary not extending to below the eye; jaws 

 equal anteriorly ; fold of the lower lip not continuous ; 

 cheek with 5 or 6 series of scales ; 9 or 10 gill-rakers on the 

 lower part of the anterior nrch. About 34 scales in a longi- 

 tudinal series. Dorsal XVII 13, commencing above the 

 opercular cleft, the spines subequal from the sixth, the last 

 ^ the length of head. Anal YI 9. Pectoral not extending 

 to above the anal. Caudal truncate. Caudal peduncle as 

 long as deep. Two broad dark longitudinal bands, the 

 upper from a little behind the origin of the lateral line to 

 the end of the base of the dorsal fin, the lower from the 

 pectoral to the base of the caudal. 



Mexico. 



The type measures 240 mm. in total length. 



18. Cichlosoma guttulatum. 



ITeros guttulatiis, Giiiith. Proc. Zool. Soc. 1864, p. lo2, and Trans. 



Zool. Soc. vi. 1809, p. 460, pi. Ixxviii. fig. 3. 

 Cichlasoma quttulatimi, Pellegr. M^m. Soc. Zool. France, xvi. 1903, 



p. 214 (1904). 



Depth of body 2^-2;| in the length, length of head 2|-3f. 

 Snout as long or nearly as long as the postorbital part of 

 head. Diameter of eye 3-4^ in the length of head, inter- 

 orbital width 2_^2^. Depth of prseorbital |-1 1 the diameter 

 of eye. Maxillary not extending to the vertical from 

 anterior margin of eye ; jaws equal anteriorly ; fold of the 

 lower lip not continuous ; cheek with 5 series of scales • 

 8-10 gill-rakers on the lower part of anterior arch. Scales 

 31-34 ~^, 3.^-4^ between lateral line and base of anterior 

 part of soft dorsal. Dorsal XVI-XVIII 12-14, com- 

 mencing above or in front of the axil of pectoral, the spines 

 subequal from the fifth or sixth to the fourteenth or fifteenth, 

 which are I the length of head, the last f the length of 

 head ; the soft tin, when laid back, extending to anterior j 

 of caudal. Anal VI-VII 9-10. Pectoral | the length (f 

 head, not extending as far as the ventral, which nearly or 

 quite reaches the origin of anal. Caudal subtruncate or 

 rounded. Caudal peduncle as long or nearly as long as 

 deep. Brownish, a broad dark band extending from above 

 pectoral to base of caudal ; sides of head spotted ; body 

 often spotted ; sometimes 5 or 6 cross-bars on the upper 

 part of the body, or a series of blotches along the lateral 

 line; vertical fins dusky, often with dark spots. 



Cuatemala; Southern Mexico. 



