330 Mr. C. T. Tlcgan 077 the lushes of the 



increasing to the last, which is | the length of head ; the 

 soft fin, when laid back, extending nearly to middle of 

 caudal. Anal V (8) 9. Pectoral f- the length of head, 

 extending to above origin of anal; ventral extending to 

 origin of anal. Caudal rounded. Caudal peduncle a little 

 more than | as long as deep. Brownish, with 8 blackish 

 cross-bars ; a blackish ocellated spot on the upper \ of base 

 of caudal ; vertical fins dusky, the soft dorsal with some 

 indistinct light spots. 

 W. Ecuador. 



1. (255 mm.) one of the types Rio Guayas, Guayaquil. Dr. II. Festa. 

 of the species. 



55. Cichlosoma ornatum, sp. n. 



Depth of body 2^ (young)-,2| (adult) in the length, 

 length of head 2f-2|. Snout nearly ^ the length of head 

 (in the adult). Diameter of eye 3|-6 in the length of head, 

 interorbital width 3-3^. Depth of prseorbital ^\t the 

 diameter of eye. Maxillary slightly exposed, not extending 

 to below the eye; premaxillary processes extending to above 

 anterior \ of eye (adult) or a little beyond (young) ; jaws 

 nearly equal anteriorly (in the young), or the lower a little 

 shorter than the upper (in the adult) ; fold of the lower lip 

 continuous ; upper jaw with the 2 anterior teeth of the outer 

 series differentiated as a pair of canines; lower jaw with the 

 2 or 3 anterior teeth on each side forming canines; cheek 

 with 6 series of scales, the lowest deciduous in the adult ; 

 8 or 9 gill-rakers on the lower part of anterior arch. 

 Scales 30-32 fp 2^-3 between lateral line and base of 

 anterior rays of soft dorsal. Dorsal XV-XVI 12-13, the 

 spines subequal from the sixth or seventh to the twelfth to 

 fourteenth, thence increasing to the last, which is about 

 ^ the length of head {^ in the young, f m the adult), the 

 soft fin, when laid back, extending nearly to middle of 

 caudal. Anal V 9. Pectoral |-| the length of head, ex- 

 tending nearly to above origin of anal; ventral extending to 

 origin of anal. Caudal rounded. Caudal peduncle as long 

 or neatly as long as deep. Olivaceous, with some blackish 

 cross-bars on the sides of the body ; sides of the head with 

 lioht blue spots ; each scale with a light blue spot, the spots 

 of the lower part of the body larger and almost white ; 

 a blackish spot at the base of pectoral and another on the 

 upper ^ of the base of caudal; 3 large blackish spots on 

 the basal part of the dorsal fin, the first at the base of the 

 9th to 11th spines (absent in one specimen), the second at 



