2C8 ADDENDA, VOL. II. 



dorsal. Caudal peduncle a little longer than deep. Scales radiately 

 striated, 26-28 % 2i-3 between lateral line and ventral, 12 round 

 caudal peduncle. Yellowish ; four round black spots on each side, the 

 first two above lateral line, the others on latter. 



Total length 58 millira. 



Uelle, Upper Congo. — Types in Congo Museum, Tervueren. 

 1-2. Two of the types. Dungu, Uelle. Capt. Hntereau (C). 



Closely allied to B. trispilus; barbels shorter and four black spots on 

 each side instead of three. 



Add 



163. BARBUS CALLIPTERUS, Blgr. 



20. Ad. Deert, mouth of Grurara R., Niger. J. J. Simpson, Esq. (P.). 



21-22. Ad. Lower Niger. Mr. J. Paul Arnold (P.). 



163 a. BARBUS ABOINENSIS. 

 Bouleng. Ann. & Mag. N. H. (8) viii. 1911, p. 369. 



Depth of body 3 to 3^ times in total length, length of head 3^ to 

 3J? times. Snout rounded, as long as eye, which is 3^ to 3-j times in 

 length of head ; interorbital width 2f to 3 times in length of head ; 

 mouth subinferior, small ; lips moderate ; two barbels on each side, 

 anterior a little shorter than eye, posterior as long as or a little longer 

 than eye. Dorsal III 8, equally distant from centre or posterior border 

 of eye and from caudal, border slightly concave ; last simple ray not 

 enlarged, not serrated, a little shorter than head. Anal III 5, not 

 reaching caudal. Pectoral f length of head, not reaching ventral ; base 

 of latter below anterior rays of dorsal. Caudal peduncle 1^ times as 

 long as deep. Scales radiately striated, 23-25 p, 2-2J between lateral 

 line and ventral, 12 round caudal peduncle. Brown above, yellow 

 beneath, with a blackish lateral streak and a round black spot at the 

 base of the caudal fin; dorsal, anal, and ventrals orange; a black spot 

 usually present in the upper part of the anterior half of the dorsal. 



Total length 80 millim. 



Aboina River, Cross River, Southern Nigeria. 

 1-18. Types. Omalu, headwaters of Aboina R. Major G. E. Bruce (P.). 



Distinguished from B. callipterus by the smaller eye. 



