Anurican Cichlid Genus Ciclilosonia. 337 



Snout longer than eye, the diameter of wliich is 4-5 in tlie 

 length of head, interorbital Avidth 3f-3|. Depth of prse- 

 orbital | the diameter of eye (young) or equal to it (adult). 

 Maxillary more or less exposed distally, extending to below 

 anterior margin or anterior^ of eye; prsemaxillary processes 

 extending to above posterior 4^ of eye ; lower jaw projecting; 

 fold of the lower lip continuous; upper jaw with a pair of 

 strong canines, situated close together ; lower jaw with 1 or 

 2 pairs of canines, wliich are well-separated ; cheek with 7 

 or 8 series of scales ; 7 or 8 gill-rakers on the lower part of 

 anterior arch. Scales 32 j^^, 2 or 2^ between lateral line 

 and base of anterior rays of soft dorsal. Dorsal XVII- 

 XVIII 10-11, the spines slightly increasing in length to 

 the last, Avhich is I the length of head ; the soft fin, when 

 laid back, extending to anterior J of caudal or beyond. 

 Anal VII-VIII 8-9. Pectoral rather more than § the 

 length of head, extending nearly to above origin of anal in 

 the young, but not in the adult ; ventral exteuding to origin 

 of anal or beyond. Caudal rounded. Caudal peduncle 

 |-f as long as deep Olivaceous, with dark cross-bands 

 forming a series of blotches, Avhich may unite to form a 

 continuous longitudinal band, below the lateral line; a dark 

 stripe from upper part of eye to operculum, and another 

 from lower part of eye to subopcreuium ; cheeks, opercular 

 bones, lower part of body, and vertical fins usually with 

 dark spots. 

 Guatemala. 



1, 2-4. (115-240 mm.) types Eio Motagua. 0. Salviii, Esq. 



of tlie species. 

 6. (137 mm.) Pacific Slope of Ceu- Smitlisouian Inst, 



tral America. 



63. Cichlosoma manoguense. 



Heros managuensis, Giinth. Trans. Zool. Soc. vi. 1809, p. 463, pi. Ixxvii, 

 tig. 3 ; Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1898, p. 1533. 



Heros viotaguevsis (part.), Pellegr. Mem, Soc. Zool. France, xvi. 1903, 

 p. 234 (1904). 



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

 only a little longer than eye, the diameter of which is 4^-l| 

 in the length of head, interorbital width 3i-3.^. Depth of 

 prseorbital i-^ the diameter of eye. Maxillary scarcely 

 exposed distally, extending to below middle of eye; prie- 

 maxillary processes extending to above posterior margin of 

 eye; lower jaw projecting; fold of the lower lip continuous; 

 upper jaw with a pair of rather strong canines situated 



