from the Qnanza niul lienr/o lUvrrs. SjS 



Total Icngtli 18 mm. 



Numerous specimens from the Quauza River at Caniba iibe, 

 the Bcngo River at Cabiri, and Lake Kiluuda. 

 Native name : Musumbi. 

 Very closely allied to the larger R. congicuSy BIgr. 



33. Barilius ansor(ju, sp. n. 



Depth of body equal to or a little less than length of head, 

 3q to 4] times in total length. Head 2 to 2^ times as long 

 as broad, with feebly curved upper profile; snout pointed, 

 not projecting beyond month, as long as or a little longer 

 than eye, which is 3i to -i times in length of head; inter- 

 orbital width 3 to 3.\ times in length of head ; mouth 

 extending to below centre or posterior third of eye; no 

 barbels; naked space between prieoperculum and suborbitals 

 not ^ width of third suborbital. Gill-rakers few, rudimentary. 

 Dorsal JI 7, originating midway between occiput and root 

 of caudal, its posterior half above anal ; anterior rays longest, 

 3 to f length of head. Anal III 12-14 (usually 13), 

 anterior rays much longer than posterior, about as long as 

 longest dorsals. Pectoral acutely pointed, as long as or a 

 little shorter than head, reaching ventral or not. Caudal 

 forked. (Caudal peduncle 1| to 2 times as long as deep. 

 Scales radiatelv striated, 40-44^-^1, 2-2^ between lateral 

 line and ventral, 12-14 round caudal peduncle. Back 

 bluish grey, sides and lower parts silvery white in females, 

 bright yellow in males; 10 to 15 bluish-black vertical bars 

 on each side, above the lateral line, the last usually expanding 

 into a large blotch on the caudal peduncle at root of caudal ; 

 fins white. 



Numerous specimens, measuring 80 to 120 mm., from the 

 Quanza River at Dondo. 



Closely allied to B. kingsley<2, BIgr. 



Siluridae. 



34. Clarias gariep'nius, Burch. 

 Lake Kiluuda. 



35. Eutrojnus ansoryli, sp. n. 



Depth of body 4 times in total length, length of head 

 5 times. Head L^ times as long as broad; snout broad, a 

 little longer than eye ; both jaws equal in front ; eye perfectly 

 lateral, 5 times in length of head, 3 times in interorbital 



37* 



