On the American Cichlid Genus Ciclilosoma. 22j 



the apical band on the second is broadly interrupted in the 

 middle^ and the tomeiitum is of a sort of bluish white, a 

 diftereiit tint from that of crenulaticornis. The brush at the 

 end of the basal joint of the hind tarsi, which is black in 

 crenulaticornis, is reddish brown in lippice. 



I have ?i S S. lippidB which I collected at flowers of 

 Phacelia congesta, at Dripping Spring, Organ Mts., New 

 ]\lexico, in August. 



XXVII. — A Revision of the Fishes of the American Cichlid 

 Genus Cichlosoma and of the Allied Genera. By C. Tatk 

 Kegan, B.A. 



[Continued from p. 77.] 



Section 6 {Theraps). 



Body ovate or elongate. Upper profile of snout usually 

 convex. Scales of the lateral line of the same size as those 

 above and below it ; scales of the thoracic region con- 

 siderably smaller than those on the side of the body. 

 Mouth small or moderate (maxillary not extending to below 

 the eye), moderately protractile (prsemaxillary processes not 

 extending to above the eye, in the adult) ; maxillary not 

 or slightly exposed ; teeth of the outer series moderate, 

 distinctly enlarged anteriorly. Dorsal XV-XVIII 10-15, 

 the soft fin more or less distinctly scaly at the base. 

 Anal IV-VII 8-11. Pectoral not extending to above the 

 anal. Caudal rounded, truncate, or emarginate with roundi d 

 lobes. 



Seventeen species from Mexico and Central America, one 

 extending into Colombia. 



13. Cichlosoma Eigenmanni. 



Cichlasoma Eiyenmanni, Meek, Zool. Pub. Columbian Mus. iii. 1902, 

 p. IIU, pi. XXX., and v. 1904, p. 220, pi. xvi. 



Depth of body 2^\-2| in the length, length of head S^-Si. 

 Snout equal to or a little shorter than postorbital part of 

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

 orbital width 2g-3. Depth of praeorbital 1-1^ the diameter 

 of eye. Maxillary not extending to below the eye ; lower jaw 

 shorter than the upper ; fold of the lower lip not continuous ; 

 check with 6 or 7 series of scales; 8 gill-rakcrs on the lower 



