490 



CICHLID.E. 



pointed, 1| (young) to 2 times as long as eye, which is 3^ to nearly 

 5 times in length of head and nearly equals interorbital width ; mouth 

 extending to between nostril and eye ; teeth in 3 or 4 series in each 

 jaw, the outer much larger than the others and numbering 50 to 80 in 

 upper jaw; 3 or 4 series of scales on the cheek. Gill-rakers short, 

 VI or 13 on lower part of anterior arch. Dorsal XVI 10-11: spines 

 increasing in length to the last, which measures ■§- to nearly \ length of 

 head; longest soft rays nearly as long as head in adult, \ in young. 

 Anal III 9 ; third spine shorter than last dorsal. Pectoral shorter than 

 head, not extending to vertical of origin of anal. Ventral not reaching 



Fie. 339. 



/X<!,<lj/%/ 



i^. 



Hemitilapia oxyrUyncli as. 

 Type. f. 



anal. Caudal truncate. Caudal peduncle a little longer than deep 



3-4 , . i ,. 21-22 



Scales very finely denticulate, 34-36 °-^; lateral lines ]i: 



Brown 



above, whitish beneath ; a blackish opercular spot ; young with a dark 

 brown blotch on each side of the back below the spinous dorsal, a second 

 below the soft dorsal, and a third at the base of the caudal fin; small 

 round light spots on the soft dorsal. 



Total length 180 millim. 



Lake Nyassa. 



1. Type. L. Nyassa. Prof. J. E. S. Moore (C). 



2. Skel. 



3. Yg. „ Capt. E. L. Rhoades (P.). 



