418 PISHES FEOM THE LAKE NGAMI BASIN, BECHUANALAND. 



large, 36 in upper jaw, with an inner row of very minute teeth ; 6 series of scales on 

 the cheek, the width of the scaly part equal to diameter of eye. Gill-rakers very 

 short, knob-like, 12 on lower part of anterior arch. Dorsal XV 13 ; spines equal 

 in length from the seventh, which is f length of head ; longest soft rays ^ length 

 of head. Anal III 9 ; third spine longest, nearly as long as longest dorsal. Pectoral 

 f length of head, not reaching vertical of origin of anal. Ventral barely reaching 

 vent. Caudal rounded. Caudal peduncle as long as deep. Scales with feebly 

 denticulated border, 34 fg ; lat. 1. f|. Brownish above, yellowish beneath (in spirit) ; 

 dorsal with round black spots between the soft rays. 



A single specimen, measuring 110 mm. 



This species is allied to T.jallce Blgr., from the Upper Zambesi, and to T. humilis 

 Stdr., from Angola. 



