TlLAPlA. 



205 



Dorsal XVII-XVll [ 9-10 ; spiues subequal from the fifth, | to J length 

 of head. Anal III 7 ; third spine a little longer than longest dorsal. 

 Pectoral f length of head, not reaching vertical of origin of anal. 

 ^'entral not reaching vent. Caudal rounded, feebly emarginate, covered 



Fig. 130. 



Tllapia hilineata. 

 Type, after Pellegriu (Mem. Soc. Zool. France, 1904). f . 



with scales. Caudal peduncle slightly deeper than long. Scales cycloid, 

 30-52 iJ; lateral lines ^^. Brown above, yellowish beneath; two 

 black lateral bands, corresponding to the two lateral lines. 



Total length 180 millim. 



Alima U , Upper Congo. — Types, in Paris Museum, examined. 



40. TILAPIA CPASSA. 

 rellecrr. Bidl. Mas. Paris, 1903, p. 120, and Mem. ISoc. Zool. France, xvi. 1904, 

 p. 324, fio-. 

 Depth of body twice in total length, length of head 3 times. Snout 



Fig. 131. 



Tilnpia crussa. 

 Type, after Pellegrin (Mc'rn. Soc. Zool. France, 1904). \. 



with slightly concave upper profile, as long as eye, a little longer than 



