380 



Annals of the South African 



8. BAKBUS SECTOR, Blgr. 



Bouleng., Proc. Zool. Soc., 1907, p. 309, pi. xviii., tig. 2, and Cat. 

 Fresh. Fish. Afr.. ii., p. 78, fig. 56 (1911). 



Depth of body 3i to 4 times in total length excluding caudal, 

 length of head 3| to 4 times. Snout rounded, projecting, 3 to 3| 

 times in length of head, eye 3J to 3f times, interorbital width 2f to 

 3 times ; mouth inferior, feebly curved, its width 3 times in length 

 of head ; lips thin, lower jaw with a sharp edge, lower lip restricted 

 to the sides. Two barbels on each side, anterior ^ to diameter of 

 eye, posterior to f . 



Dorsal iv 9-10 ; equally distant from middle of eye and root of 

 caudal, border feebly concave; last simple ray scarcely enlarged, 





FIG. 40. Barbus sector. 



flexible, not serrated, nearly or quite equal to length of head. 

 Anal iii 5 ; not reaching caudal. Pectoral a little shorter than head, 

 not reaching ventral ; base of latter below middle of dorsal. Caudal 

 peduncle about H times as long as deep. Scales longitudinally 



striated, 29-30 1|, 2| between lateral line and ventral, 12 round 



caudal peduncle. 



Colour (of preserved specimens), silvery grey, darker above ; scales 

 dark at the base ; dorsal and caudal fins with a dark shade. 



One specimen, 139 mm. in length, from Gwelo River, Lomagundi 

 District, Rhodesia (J. Drury). 



Two specimens, 117 mm., 51 mm. in length respectively, from 

 Livingstone, Rhodesia (A. Stephenson). 



One specimen, 85 mm. in length, from Pienaars River, Transvaal 

 (C. J. Swierstra). 



