238 jMr. C. T. Ivegaa on the Fishes of the 



somewhat longer pectoral, which extends to above the origin 

 of the anal in one, a little beyond in the other. The teeth 

 of the outer series in the upper jaw are moderate, regularly 

 increasing in size anteriorly. In the lower jaw the 5 or 6 

 anterior teeth on each side are distinctly enlarged and differ- 

 entiated from the smaller lateral teeth. Dorsal XVIII-XIX 

 10-11. Anal VII-VIII 7-9. 



30. Cichlosoma hulteatwn. 



Heros batteatus, Gill & Bransford, Proc. Ac. Philad. 1877, p. 184. 

 Cichlasoma halteatum, Jord. & Everiii. Bull. U.S. Nat. Mus. xlvii. 



1898, p. 1521 ; Pellegr. Mem. S.jc. Zool. France, xvi. 1903, p. 220 



(1904). 



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

 a little longer than postorbital part of head. Diameter of 

 eye 3 in the length of head and equal to the interorbital 

 w idth. Depth of prseorbital a little less than the diameter 

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

 equal anteriorly ; fold of the lower lip not continuous ; 

 cheek with 4 or 5 series of scales ; 9 or 10 gill-rakers on the 

 lower part of the anterior arch. Scales 34 ^, 2^ between 

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

 XVIII (10) 11, the spines subequal from the sixth to the 

 sixteenth, the last ^ the length of head. Anal VII (7) 8. 

 Pectoral nearly as long as the head, extending to above the 

 origin of anal ; ventral extending beyond the origin of anal. 

 Caudal truncate or slightly emarginate. Caudal peduncle 

 nearly as long as deep. A blackish longitudinal band from 

 operculum to base of caudal ; fins unspotted. 



Lake Nicaragua. 



1. (130 mm.) one of the types L. Nicaragua. Smithsonian Inst, 



of the species. 



31. Cichlosoma nicaraguense. 



Heros nicarayu€7isis, Giinth. Proc. Zool. Soc. 1864, p. 153, and Trans. 



Zool. Soc. vi. 1869, p. 465, pi. Ixxvii. fig. 1 ; Jord. & Everm. Bull. 



U.S. Nat. Mus. xlvii. 1898, p. 1532. 

 Cichlasotna tiicaraguense, Pellegr. Mem. Soc. Zool. France, xvi. 1903, 



p. 221 (1904). 



Depth of body 2j-2| in the length, length of head 3|. 

 Snout with nearly vertical profile, shorter than postorbital 

 part of head. Diameter of eye 3A-3| in the length of head, 

 interorbital width 2.1-2^. Depth of prteorbital a little 

 Greater than diameter of eve. Maxillary extending nearly 



