B ABB US. 



57 



(young) to 6 times in length of head, interorbital width 2\ to 3 times; 

 mouth inferior, its width 3 to 4 times in length of head : lips moderately 

 developed, lower continuous across chin (rarely interrupted) ; two barbels 

 on each side, anterior as long as eye or a little longer, posterior 1 to 

 1^ diameters of eye. Dorsal I1I-IV 9-10, equally distant from occiput 

 or eye and from caudal, border concave; last simple ray very strong, 

 bony, not serrated, straight or very feebly curved, nearly as long as 



Pig. 36. 



MKs» 



Briilias hiwlii. 

 Type (P. Z. 8. 1902). f. 



head or a little longer in young. Anal III 5, reaching or nearly reaching 

 caudal. Pectoral as long as or a little shorter than head, usually nearly 

 reaching ventral ; base of latter below anterior rays of dorsal. Caudal 

 peduncle 1^ to 1-| times as long as deep. Scales longitudinally striated, 

 24-29 ^r 5 , 2 between lateral line and ventral, 10-12 round caudal 

 peduncle. Olive-brown above, silvery below ; fins greyish. 



Total length 420 millim. 



Tana, Athi, and Pangani River Systems, East Africa. 



Mathoiya E. (Tana), 4000 ft. S. L. Hinde, Esq. (P.). 



1-1. Types. 

 5-14. Yg. 

 15-27. Ad. & ligr. 



28,29-31. Hgr. (Types 

 of 13. tunensis.) 



32-34. Yg. (Types of 

 13. tanensis.) 



Athi li. 



Kibwesi R. (Athi). 



G. el Kama (Baringo) 



C. B. S. Storey, Esq. 



(P.). 

 Prof. J. W. Gregory 



(P.). 



