TILAPIA. 



991 



feebly denticulate, 31 j{ ; lateral lines jj. Pale brown above, silvery 

 white below ; dark brown blotches confluent into very irregular cross- 

 bands on the body ; a dark bar below the eye ; a blackish blotch on 



Fig. 143. 



Tilapia adolphi-frederid. 

 Type (Deutsch. Z.-Afr. Exped.). 



the end of the snout and chin ; a dark brown opercular spot ; tins 

 yellowish, the bars of the body extending on the dorsal and anal ; upper 

 third of caudal blackish. 



Total length 93 millim. 



Lake Kivu. — Type in Berlin Museum. 



55. TILAPIA GIAPDI. 

 Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 311, pi. v. fig. 2. 



Depth of body equal to length of head, 2-f times in total length. 

 Upper profile of head curved ; snout shorter than postocular part of 



Yi S . 144. 



■^^^^^^ 



Tilapia giardi. 

 Type, after Pellegrin (I. c). 



head ; eye 3-^ times in length of head ; mouth § width of head, extending 

 nearly to below anterior border of eye; teeth in 3 series; 6 series of 



