The Freshwater Fishes of South Africa. 401 



length of head ; lips moderately developed, lower broadly interrupted 

 on chin ; two barbels on each side, anterior |-, posterior - diameter 

 of eye. 



Dorsal iii 9 ; equally distant from eye and from root of caudal, 

 border concave ; last simple ray not enlarged, flexible, smooth, 

 1^ times as long as head. Anal iii 5 ; reaching caudal. Pectoral as 

 long as head, not reaching ventral ; base of latter below middle of 

 dorsal. Caudal peduncle slightly longer than deep. Scales longitu- 

 dinally striated, 32 ^|, 2 between lateral line and ventral, 12 round 



4g 



caudal peduncle. 



Brown above, the scales blackish at the base, pink on the sides, 

 white beneath ; dorsals and ventrals yellow. 



Total length 390 millim. 



Upper Zambezi." 



31. BAKBUS TBIMACULATUS, Peters. 



Barbus trimaculatus, Peters, Berl. Ac., 1852, p. 683, and Reise 

 Mossamb., iv., p. 55, pi. xi., fig. 4 (1868) ; Giinth., Cat. Fish., vii., 

 pp. 106 and 483 (1868), and Proc. Zool. Soc., 1893, p. 619; Steindr., 

 Sitzb. Ak. Wien, ciii., i., 1894, p. 452 ; M. Weber, Zool. Jahrb. Syst., 

 x., 1897, p. 151; Bouleng., Cat. Fresh. Fish. Afr., ii., p. 104, fig. 82 

 (1911). 



Barbus breijeri, M. Weber, t.c., p. 154. 



Barbus katanga, Bouleng., Ann. Mus. Congo Zool., i., p. 132, 

 pi. xlix., fig. 1 (1900), and Poiss., Bass. Congo, p. 224 (1901). 



Barbus decipiens, Bouleng., Ann. and Mag. N.H. (7), xix., 1907, 

 p. 492. 



Depth of body 3 to 5 times in total length excluding caudal, 

 length of head 33- to 4| times. Snout rounded, as long as or a little 

 longer than the eye in adult ; eye 3^ to 4^ times in length of head, 

 interorbital width 2 to 3f times ; mouth sub-inferior, with lips 

 feebly developed and interrupted on chin. Two barbels on each 

 side, anterior f to \\ times diameter of eye, posterior f to If 

 times. 



Dorsal iii 8 (rarely iii 7) ; equally distant from anterior margin 

 or third of eye and from root of caudal, border slightly concave ; 

 last simple ray strong, bony, not serrated, nearly straight or slightly 

 curved, f to 1^ times length of head. Anal iii 5 ; not reaching 

 caudal. Pectoral i- to once length of head, not reaching ventral; 

 base of latter below or partly in front of anterior rays of dorsal. 

 Caudal peduncle li to 2^ times as long as deep. Scales radiately 



29 



