Fishes from Lake Tanganyika. 365 



as head. Anal III 5, not reacLing caudal. Pectoral as 

 lonof as head or a little shorter^ not reaching ventral, 

 which is inserted below anterior rays of dorsal. Caudal 

 peduncle 1| to 2 times as long as deep. Scales with 

 numerous radiating strise, 27-29 jf, 2^ between lateral line 

 and ventral, 12 round caudal peduncle. Brownish above, 

 yellow beneath ; a narrow blackish lateral band from the 

 gill-cover to the root of the caudal ; fins whitish. 



Total length 80 mm. 



Kasarala brook at Gongwe. 



Near B. chlorotania, Blgr., but caudal peduncle more 

 elongate. 



Barbus urosiigma. 



Depth of body equal to length of head, 3 J to 3|- times in 

 total length. Snout rounded, as long as eye, which is 3^ to 

 3 1 times in length of head; interorbital width 2^ times 

 in length of head ; mouth small, subinferior ; lips feebly 

 developed ; 2 barbels on each side, anterior as long as eye 

 or a little longer, posterior 1 J. to 1| times its length (barbels 

 shorter in the young). Dorsal III 7 , equally distant from 

 centre or posterior border of eye and from caudal, border 

 straight or slightly convex ; last simple ray flexible^ as long 

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

 Pectoral § to f length of head, not reaching ventral, which 

 is inserted below anterior rays of dorsal. Caudal peduncle 

 1^ to 2 times as long as deep. Scales with numerous 

 radiating strise, 25-30 ^, 2^-3 between lateral line and 

 ventral, 12 round caudal peduncle. Brown above, Avhitish 

 beneath, the scales on the side often edged with dark brown, 

 or blackish at the base ; a round black spot at base of 

 caudal ; fins whitish. 



Total length 70 mm. 



Brooks at Mazonde, Kibudwe, and Gongwe. 



Distinguished from the preceding by the shape of the 

 dorsal, with -7 branched rays instead of 8, and by the 

 absence of the blackish lateral band. 



Barbus lufukiensis. 



Depth of body equal to length of head, 3^ to 3| times in 

 total length. Snout rounded, as long as eye, which is 3 to 

 3X times in length of head; interorbital width 2| to 2f 

 times in length of head ; mouth small, subinferior ; lips 

 feebly developed ; 2 barbels on each side, anterior hardly 



