BARBTTS. 



37 



length of head, interorbital width 2f to 2£ times; mouth inferior, its 

 width 4 times in length of head ; lips moderate, lower continuous across 

 chin ; two barbels on each side, subequal or posterior a little longer, 

 H to 1| diameters of eye. Dorsal 1II-IV 9, equally distant from 

 occiput and from root of caudal, border concave ; last simple ray very 

 strong, bony, not serrated, i to f length of head. Anal III 5, reaching 

 or nearly reaching caudal. Pectoral a little shorter than head, not 

 reaching ventral ; base o flatter below anterior rays of dorsal. Caudal 

 peduncle If times as long as deep. Scales longitudinally striated, 



Fig. 17. 



Barbus altianalis. 

 Type (Tr. Zool. Soc. 1900). \. 



34-35 n, 3 between lateral line and ventral, 12-14 round caudal 

 peduncle. Dark olive-brown, lighter beneath, scales darker at the base. 



Total length 450 millim. 



Lake Kivu and Rusisi River. 



1-2. Types. L. Kivu. Prof. J. E. S. Moore (C). 



3. Type. Rusisi R. „ 



17. BARBUS GANANENSIS. 

 Vincig. Ann. Mus. Grenova., (2) xv. 1895, p. 53, pi. v. fig. 2, and xvii. 1897, 

 p. 362. 



Depth of body 3f to 4 times in total length, length of head 4 times 

 or a little over. Snout rounded, 3^- times in length of head ; eye 3 

 times in length of head, interorbital width less than 3 times ; mouth 

 small, inferior; lower lip much developed, with a subtriangular median 

 lobe ; two barbels on each side, anterior a little shorter, posterior a 

 little longer than eye. Dorsal III 9, nearer occiput than root of caudal, 

 border straight; last simple ray strong, bony, not serrated, straight, at 

 least as long as head. Anal II 5, not reaching caudal. Pectoral a little 



