151 CTPKINIDJ-. 



148. BARBUS NIGERIENSIS. 

 Bouleng. Proc. Zool. Soc. 1902, ii. p. 327, pi. xxviii. fig. 3. 



Depth of body equal to length of head, 4 times in total length. Snout 

 rounded, a little shorter than eye, which is 2§ to 3| times in length of 

 head; interorbital width 2| to 2f times in length of head; month 

 small, subinferior ; lips moderate ; two barbels on each side, anterior a 



Fig. 130. 



Barbus nigeriensis. 

 Type. 



little shorter than posterior, which equals diameter of eye. Dorsal III 8, 

 equally distant from centre or anterior border of eye and from caudal, 

 border slightly concave ; last simple ray not enlarged, not serrated, as 

 long as or a little shorter than head. Anal III 5, not reaching caudal. 

 Pectoral a little shorter than head, not reaching ventral ; base of latter 

 below middle of dorsal. Caudal peduncle 1J times as long as deep. 



3--4A 



Scales radiately striated, 25-29 ~%l , 2J between lateral line and ventral, 

 12 round caudal peduncle. Silvery, pale brownish on the back, with a 

 more or less distinct darker lateral streak, which may be broken up into 

 small spots ; fins whitish . 



Total length 60 millim. 



Lower Niger, Cameroon. 



1. Type. Agberi, Lower Niger. Dr. W. J. Ansorge (C). 



2. Ad. Cyan 11., „ „ A. E. Kitson, Esq. (P.). 

 3-10. Ad. & hgr. Ja K. (Congo System), G. L. Bates, Esq. ((J.). 



S. Cameroon. 



149. BARBUS HUMERALIS. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 33, pi. ix. fig. 3 (1902). 



Depth of body equal to length of head, 4 times in total length. Snout 

 rounded, nearly as long as eye, which is 3 times in length of head ; 

 interorbital width 2f times in length of head ; mouth small, inferior ; 



