256 ADDENDA, VOL. II. 



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

 1 to 1|- 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 f length of head. 

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

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

 dorsal. Cauda] peduncle If times as long as deep. Scales radiately 

 striated, 23-28 ^, 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. kerstenii. 



120b. BARBUS RUFUA. 

 Pappenh. t. c. p. 243, pi. iv. fig. 4. 



Depth of body 3J to 3f times in total length, length of head 3f 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 1J diameters of 

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

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

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

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

 partly or entirely in advance of origin of dorsal. Scales radiately 

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

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

 the lateral 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 EUT^NJA, Blgr. 

 Gilchrist & Thompson, Ann. S. Afr. Mus. xi. 1913, p. 111. 



Add :— 

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



