274 



CICHLIDJE, 



teeth in 5 or 6 series ; 2 cr 3 series of scales on the clieek. Gill-riikcrs 

 rather short, lo-lu on lower part of anterior arch. Dorsal XIII 13-14 

 spines weak, subequal from the seventh, nearly ^ length of head 

 posterior soft rays produced, f to i length of head. Anal III 8-9 

 spines weak, third ^ length of head; soft rays produced like the 

 dorsals. Pectoral as long as head, extending beyond vertical of origin 

 of anal. Ventral produced into a very long filament, nearly twice as 

 long as head. Caudal with deep crescentic notch. Caudal peduncle 

 1^ times as long as deep. Scales finely denticulate, 38-43 jjrj5; lateral 

 lines ff,zig. Bluish black above, bright silvery beneath ; fins blackish. 



Total length 110 millim. 



Lake Tanganyika. 



1-2. Types. Niamkolo. Dr. \V. A. Ciiiinington (C). 



Fij?. lS(i. 





CuniiiiKjion'ta loiiylventruUs. 

 Type (Tr. Z. S. 1906). |. 



4. SmoCHROMlS. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 19, and Poiss. Bass. Congo, p. 451 C1901~) • 

 Pellegr. Mem. >Soc. Zool. France, xvi. 1904, p. 306. 



Body moderately elongate ; scales denticulate ; two incomplete 

 lateral lines. Jaws with broad bands of very small tricuspid teeth and 

 an outer row of bicuspid teeth ; these outer teeth differentiated on the 

 sides of the precmaxillaries, enlarged and conical ; mouth nearly straight 



