Fishes from Lake Tanganyika. 365 
as head. Anal III 5, not reaching caudal. Pectoral as 
long as head or a little shorter, not reaching ventral, 
which jis inserted below anterior rays of dorsal. Caudal 
peduncle 12 to 2 times as long as deep. Scales with 
numerous radiating striz, 27-29 By 24 between lateral line 
and ventral, 12 signe 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. chlorotenia, Blgr., but caudal peduncle more 
elongate. 
Barbus urostigma. 
Depth of body equal to length of head, 3} to 32 times in 
total length. Snout rounded, as long as eye, » which i is 34 to 
32 times in length of head ; interorbital width 24 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} to 14 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 liste shorter. Anal III 5, not reaching caudal, 
Pectoral 2 to 3 length of head, not reaching ventral, which 
is inserted below anterior rays ‘of dorsal. Caudal peduncle 
14 to 2 times as long as deep. Scales with numerous 
radiating striz, 25-30 a 24-3 between lateral line and 
ventral, 12 round caudal peduncle. Brown above, whitish 
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 32 times in 
total length. Snout rounded, as long as eye, which is 3 to 
34 times in length of head; interorbital width 23 to 22 
times in length of head ; mouth small, subinferior ; lips 
feebly developed ; 2 barbels on each side, anterior hardly 
