410 



Annals of the South African Museum. 



in length of head ; interorbital width 3 to 3| times in length of head ; 

 mouth sub-inferior, its width 3J to 4 times in length of head ; lips 

 feebly developed ; barbels two on each side, posterior 1 to H times 

 as long as eye, anterior a little shorter. 



Dorsal iii-iv 8 ; nearly equally distant from end of snout and from 

 root of caudal, or a little nearer latter, border slightly concave ; last 

 simple ray very strong, bony, strongly serrated, the serrated part f to 

 4 length of head. Anal iii 5; not reaching caudal. Pectoral \ to f 



FIG. 67. Burlni* tiri/eiitrii*. 



length of head, not quite reaching ventral ; latter below anterior rays 

 of dorsal. Caudal peduncle 1^ to lj times as long as deep. Scales 

 radiately striated, 29-33 ^|, 2|-3 between lateral line and ventral, 



12-14 round caudal peduncle. 

 Uniform silvery, back brownish. 

 Total length 110 millirn. 

 Angola ; Upper Zambezi." 



39. BARBUS KERSTENII, Peters. 



Barbns kerstenii, Peters, Mon. Berl. Ac., 1868, p. 601. 



Barbus nigrolinea, Pfeff., Jahrb. Hauib. Wiss. Aust., vi., 2, 1889, 

 p. 19, and x., 2, 1893, p. 36, pi. 1, fig. 3. 



Barbus kerstenii, Bouleng., Cat. Fresh. Fish. Afr., ii., p. 130, fig. 107 

 (1911). 



Depth of body 3 T 9 o times in total length excluding caudal, length 

 of head 3* times. Snout rounded, as long as the eye, which is 

 3 : i times in length of head, interorbital width 2 times ; mouth 



