from the Quanza and Bengo Rivers. 555 



Total length 48 mm. 



Numerous specimens from the Quanza River at Cambanbe, 

 the Bengo River at Cabiri, and Lake Kilunda. 

 Native name : Musumbi. 

 Very closely allied to the larger B. congicus, Blgr. 



33. Barilius ansorgii, sp. n. 



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

 3§ to 4j times in total length. Head 2 to 2£ times as long 

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

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

 than eye, which is 3| to 4 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 prseoperculum and suborbitals 

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

 Dorsal II 7, originating midway between occiput and root 

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

 | to | 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 If to 2 times as long as deep. 

 Scales radiately striated, 40-44 ^~f, 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. kingsleyce, Blgr. 



SilnridsB. 



34. Clarias gariepinus, Burch. 

 Lake Kilunda. 



35. Eutropius ansorgii, sp. n. 



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

 5 times. Head li 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* 



