224 



CICHLID^:. 



];)-27. Hgr. 



28-29. Yg. 

 30. Hsr. 



Zomba . 



Fort Johnston. 



Umsitu R., Broken Hill, N.W 

 Rhodesia. 



Sir H. H. Johnston (P.). 



Uev. F. A. Rogers and 

 E. C. Chubb, Esq. (P.; 



58. TILAPIA LUCULLiE. 

 Bouleng. Ann. & Mag. X. H. (8) xii. 1913, p. 483. 



Depth of bodj' equal to length of head, 3 times in total length. Head 

 a little more than twice as long as broad ; snout ^Yith straight upper 

 ])rofile, as long as broad, as long as postocular part of head, longer than 

 eye, which is 4 times in length of head, equals interorbital width, and 

 a little exceeds least depth of prseorbital ; mouth rather large, f width 

 of head, extending nearly to below anterior border of eye ; end of 



Pig. 146. 



Tilapia lucuUce. 

 Type. 



maxilLiry exposed; teeth in 3 series, outer moderately large, 46 in 

 outer row of upper jaw ; 3 or 4 series of seniles on the cheek, width of 

 scaly part a little less than diameter of eye. GiJl-rakers short, 9 on 

 lower part of anterior arch. Dorsal XVI 9-10 ; last spine longest, not 

 quite 1 length of head, longest soft rays i to f. Anal III 8-9 ; third 

 spine nearly as long as last dorsal. Pectoral f length of head, not 

 extending to vertical of origin of anal. Ventral reaching vent or origin 

 of anal. Caudal rounded. Caudal peduncle IJ times as long as deep. 

 Scales finely denticulate, 32-33 ff ; lateral lines =§^. Brownish ; 

 dorsal and caudal with round blackish spots, the former A\ith a dark 



