452 



Annals of the South African Museum. 



Dorsal i 6 ; entirely in advance of ventrals, If times to nearly 

 twice as distant from caudal as from point of snout ; its spine 

 slender, feebly serrated behind, measuring ^ to y^ length of head 

 and produced into a short filament. Anal 60-62 ; 3 or 4 anterior 

 rays simple, the following gradually decreasing in length. Pectoral 

 not reaching ventral, its spine feebly serrated on the inner side, as 

 long as or a little longer than that of dorsal and also stronger. 

 Caudal deeply forked, with obtusely pointed lobes ; caudal peduncle 

 a little deeper than long. 



Colour (of preserved specimens), dark brown above, silvery below 

 lateral line ; a blackish, ill-defined blotch on each side above the 



FIG. IQ'B.Schilbe mystus. ^. 



pectoral fin ; outer border of lobes of caudal and base of inner rays 

 whitish. The smaller specimen has 3 darkish streaks on each side, 

 the upper along the back and continued faintly on upper lobe of 

 caudal fin, the lower extending from below pectoral fin to lower 

 lobe of caudal, the middle from the humeral blotch to root of caudal 

 a white band along lower third of rays of anal fin. 



Two specimens, 130 mm., 295 mm. in length respectively ; the 

 smaller from Zambezi (A. Stephenson) : the larger from Kafue Eiver, 

 tributary of the Zambezi Eiver (J. Drury). 



It is also reported from the Nile and Tropical Africa. 



6. GEPHYEOGLANIS. 



Bouleng., Ann.Mus. Congo, Zool., i., p. 42 (1899), Poiss. Bass. Congo, 



p. 292 (1901), Cat. Fresh. Fish. Afr., ii., p. 344 (1911). 

 Dorsal and anal fins short ; an adipose dorsal fin ; 4 pairs of 

 barbels one nasal, one maxillary, two mandibular. Nostrils widely 

 separated from each other. Eye supero-lateral, with free border. 



