DISTICH0DU3. 



269 



interorbital width 2| to 3 times in length of head; maxillary not 

 extending to below nostrils; teeth in one or two series in each jaw, 

 those of the inner series, if present, very small; 14-18 teeth in outer 

 series. Dorsal 23-27 (4 unbranched), equally distant from occiput and 

 from caudal, its base twice as long as its distance from adipose fin. 

 Anal 14-16 (4 unbranched), its base much shorter than that of dorsal. 



DisticJiodus mossamhicus. 

 Type, after Peters (Reise Mossamb.). 



Pectoral shorter than head. Caudal forked, with obtusely pointed lobes. 

 Caudal peduncle deeper than long. Scales 67-70 -^q-, 11 or 12 between 

 lateral line and root of caudal. Silvery, olive-brown on the back ; 6 or 

 7 very indistinct dark bars on the body, not extending much below 

 lateral line ; dorsal with dark dots. 



Total length 300 milKm. 



Zambesi. — Types in Berlin Museum. 



1-2. Ad., skins. 



3. Ad., skin, type o£ 



D. inacrolepis. 



4. Ad. 



Shire River. 



Loangwa River, 

 N.W. Rhodesia. 



Dr. C. Livingstone (P.). 

 Sir J. Kirk (P.). 



S. A. Neave, Esq. (P.). 



