The Freshwater Fishes of South Africa. 387 



caudal, border slightly concave; last simple ray not enlarged, flexible, 

 smooth, i to f length of head. Anal ii-iii 5 ; reaching or nearly 

 reaching caudal. Pectoral f to ji length of head, not reaching 

 ventral ; latter below anterior rays of dorsal. Scales longitudinally 



striated, 33-36 Sii, 2* between lateral line and ventral, 14-16 round 

 05 



caudal peduncle. Olive-brown above, silvery beneath. 



Total length 255 mm. 



Natal." 



A specimen, 172 mm. in length, from Mazoe, Mashonaland 

 (J. f.f. Darling), resembles the above. 



16. BAEBUS ROBINSONI, n. sp. 



Depth of body nearly 3f times in total length excluding caudal, 

 length of head 4 times. Snout rounded, 2i times in length of head, 

 eye a little more than 4 times, interorbital width 2^ times ; mouth 

 sub-inferior, its width 3f times in length of head ; lips moderately 

 developed, lower with a small median lobe. Two barbels on each 

 side, anterior about f diameter of eye, posterior slightly longer 

 than eye. 



Dorsal iv 9 ; situated nearer to root of caudal than to eye, border 

 concave ; last simple ray slightly enlarged, bony, flexible, segmented 

 down to its basal third, nearly as long as head. Anal hi 5 ; reaching 

 to caudal. Pectoral nearly as long as head, not reaching ventral ; 

 base of latter below anterior rays of dorsal. Caudal peduncle l 



/ 



times as long as deep. Scales longitudinally striated 30 gj, 2^- be- 

 tween lateral line and ventral, 14 round caudal peduncle. 



Colour (of preserved specimen), silvery, darker above than below ; 

 distal extremity of dorsal dark. 



One specimen, 173 mm. in length, from Natal (Eomer Eobinson). 



17. BABBUS AUREUS, Cope. 



Labeobarbus aiireus, Cope, Tr. Amer. Philos. Soc. (2), xiii., 1869, 

 p. 406. 



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

 p. 391, and Cat. Fresh. Fish. Afr., ii., p. 90, fig. 68 (1911). 



Depth of body about equal to length of head, which is 3 T 7 o to 

 3 r ^ times in total length excluding caudal. Snout rounded, feebly 

 projecting beyond mouth, 3^ to 3^ times in length of head ; eye 

 4| to 4i times in length of head, interorbital width about 3 to 3^ 

 times ; mouth curved, its width 3^ to 3^ times in length of head; 



