1907.] FROM THE EASTEBN TRANSVAAL. 311 



length of head 4| times in total length. Snout rounded, broadei- 

 than long, j length of head ; eye lateral, 4| times in length of 

 head, twice in interorbital width ; no conical tubercles on the 

 head ; mouth feebly curved, its width 3 times in. length of head ; 

 two barbels on each side, anterior | diameter of eye, posterior as 

 long as eye. Dorsal IV 9, last simple ray strong, bony, not 

 serrated, its rigid part | length of head ; border of fin concave ; 

 longest ray a little shorter than head. Anal III 5, not reaching 

 root of caudal. Pectoral a little shorter than head, not reaching 

 ventral, which is inserted below middle of dorsal. Caudal 

 deeply forked, with pointed lobes. Caudal peduncle twice as long 

 as deep. Scales 31 p, 2| between lateral line and ventral, 

 12 round caudal peduncle. "Back muddy brown, belly white, 

 fins grey." 



Total length 170 millim. 



A single specimen from Klein Olifant River. " Lives in deep 

 still pools or under big rocks." 



Closely allied to the recently described V. ansorgii BIgr., from 

 the Kwango River (Congo System) in Angola, which has a deeper 

 body, a shorter caudal peduncle, and the eyes turned more 

 upwards. This is the fifth known African species of Varicorhinus. 



SlLURID^. 



14. Clarias gariepinus Burchell. 

 Groot Olifant River. 



Anguillid^. 



15. Anguilla bengalensis Ham.-Buch. 



Groot Olifani; River. The specimen is referable to A. lahiatcc 

 Peters. 



ClCHLID^. 



16. Haplochromis moffati Casteln. 

 Groot Olifant River. 



17. TiLAPiA natalensis M, Web. 

 Inkomati River, near Komati Poort. 



18. Tilapia sparrmani a. Smith. 

 Groot and Klein Olifant Rivers. 



EXPLANATION OF THE PLATES. 



PXATE XVIII. 



Fig. 1. Sarhus hruoii, p. 309. 

 2. ,, sector, p. 309. 

 a. Mouth seen from below. 



Plate XIX. 



Varicorhinus brucii, p. 310, with upper view of head and mouth 

 seen from below. 



