178 CICIILTD.i:. 



often black ; dorsal sometimes edged with black ; the angles of the 

 caudal sometimes black ; young with rather indistinct dark bars on 

 the side. 



Total length 165 millim. 



Gold Coast, Ashantee, Lagos. — Types in Leydeu Museum. 



1-4. Ad. Ancobra R., Gold Coast. Major Burton and 



(Japt. Gameroii (P.). 

 W. P. Lowe, Esq. (0.). 

 Major G. E. Brace (P.). 



Mr. E. Reicliclt (P.). 

 This and the preceding species may ultimately have to be regarded as 

 varieties of T. heudeJoti. I am unable to find characters by whicli to 

 separate them sharply. 



18. TILAPIA NGOMENSIS. 

 Pcllegr. Bull. Soc. Zool. France, xxxviii. 1913, p. 274. 



Dt pth of body hardly 2 times in total length, length of head 3 times. 

 Snout nearly as long as eye, which is 3^ times in length of head and 

 1^ times in interorbital width ; mouth extending to below anterior 

 border of eye; teeth in 5 series, 60 in outer scries of upper jaw; 4 

 series of scales on the cheek. 16 gill-rakers on lower pait of anterior 

 arch. Dorsal XVI 13 ; spines subequal from the seventh. Anal 

 III 10. Pectoral a little longer than head, reaching vertical of orioin 

 of anal. Ventral reaching anal. Caudal rounded. Caudal peduncle 

 deeper than hmg. Scales cycloid, 33 j^; lateral lines W. Yellowish, 

 with 7 broad brown bars on the sides and a large black spot at the 

 base of the first soft rays of the dorsal ; fins purplish. 



Total length 190 millim. 



Ngomo, Ogowe.— Type in Paris Museum. 



19. TILAPIA HAUGI. 

 Pellegr. Bull Soc. Pliilom. (10) iii. 1911, p. 274, fig. 



Depth of body 2 to 2\ times in total length, length of head 3 times 

 or slightly over 3 times. Head nearly twice as long as broad; snout 

 rounded, with straight upper profile, a little longer than broad, 

 as long as or a little shorter than postocular part of head ; eye 3f to 4 

 times in length of head, If to If times in interobital width, a little less 



