256 ADDENDA, YOL. II. 



of head; mouth small, terminal ; two pairs of barbels, posterior longer, 

 1 to 1 J diameters of eye. Dorsal III 6-7, equally distant from occiput 

 and from root of caudal, border very feebly concave ; last simple ray 

 strong, bony, strongly serrated, bony part f to | length of heail. 

 Anal III 5, not reaching caudal. Pectoral f length of head, not 

 reaching ventral; latter partly or entirely in advance of origin of 

 dorsal. Caudal peduncle If times as long as deep. Scales radiately 

 striated, 23-28 |f, 2|-3 between lateral line and ventral, 12 round 

 caudal peduncle. Brown above, silvery on the sides, yellowish beneath ; 

 a dark lateral stripe, sometimes broken up into spots. 



Total length 80 millim. 



Lake Luhondo, N.W. Ruanda, German East Africa. — Types in Berlin 

 Museum, 



Doubtfully distinct from B. kerstcnii. 



120 Z.. BARBUS RUFUA. 

 Pcippeuh. t. c. p. 2-13, pi. iv. fig. 4. 



Depth of body o\ to 3f times in total length, length of head of to 

 nearly 4 times. Snout obtuse, nearly as long as eye, which is 4 times 

 in length of head ; interorbital width 2^ to 2\ times in length of head ; 

 mouth small, terminal ; two pairs of barbels, anterior \\ diameters of 

 eye, posterior If. Dorsal III 7, equally distant from occiput and from 

 root of caudal, bolder feebly concave; last simple ray strong, bony, 

 strongly serrated, bony part -| length of head. Anal III 5, not reaching 

 anal. Pectoral f to f length of head, not reaching ventral ; latter 

 ])artly or entirely in advance of origin of dorsal. Scales radiately 

 striated, 24-30 xi. 3 between lateral line and ventral, 12 round caudal 

 peduncle. Brown above, silvery on the side; a plumbeous stripe above 

 the later.il line and usually a blackish spot at the base of the caudal ; 

 fins yellowish. 



Total length 62 millim. 



Mpororo, Rufua, German East Africa. — Types in Berlin Museum. 



Also closely allied to B. kerstenii, but eye smaller. 



121. BARBUS EUTiENJA, Blgr. 

 Gilchrist & Thompson, Ann. S. Afr. Mus. xi. 1913, p. 411. 



Add :— 

 21-22. AJ. Quanza Rj at Dondo, Angola. Dr. W. J. Ansome (C). 



