The Freshwater Fishes of South Africa. 



403 



Twenty-one specimens, ranging from 72-116 mm. in length, 

 from Pienaars Kiver, Transvaal (C. J. Swierstra). 



Four specimens, ranging from 61-80 mm. in length, from 

 Magalies Kiver, Transvaal (C. J. Swierstra). 



Three specimens, ranging from 60-74 mm. in length, from White 

 Kiver, Nelspoort, Transvaal (A. T. Cooke). 



One specimen, 62 mm. in length, from Olifants River, Lydenburg 

 District, Transvaal. 



Four specimens, ranging from 81-96 mm. in length, from Kafue 

 Kiver (tributary of the Zambezi) (J. Drury). 



Five specimens, ranging from 44-52 mm. in length, from 

 Umsindusi Kiver, Mbombe District, Zululand. (Pietermaritzburg 

 Museum). 



One specimen, 85 mm. in length, locality unknown. 



This fish is also reported from Southern Angola. 



32. BARBUS SERKA, Peters. 



(Fresh-water Snoek.) 



Peters, Mon. Berl. Ac., 1864, p. 394 ; Giinth., Cat. Fish., vii., p. 94 

 (1868) ; Bouleng., Cat. Fresh. Fish. Afr., ii., p. 114, fig. 91 (1911). 



Depth of body 4 to 5 T \j- times in total length excluding caudal, 

 length of head 3 to 3f times. Snout rounded, fa to f length of 



FIG. 61. Barbies serra. 



head; eye 3 to 6 times in length of head, interorbital width 

 3 to 4 times; mouth terminal, its width 3? to 4f times in length 

 of head ; lips moderate, interrupted on the chin. Two barbels on 

 each side, equal, 1 to 1|- times diameter of eye. 



