CYPBINIDjE. 237 



65 a. BARBUS GRUVELT. 

 Pollegr. Bull. Soc. Zool. France, xxxvi. 1911, p. 181. 



Depth of body 3 times in total length, length of head 4 times. Snout 

 rounded, twice as long as eye, which is 5 times in length of head ; 

 mouth subinferior ; lips feebly developed, lower restricted to the sides ; 

 mandible with a sub-trenchant edge ; two pairs of barbels, anterior f- 

 diameter of eye, posterior a little longer than eye. Dorsal III 9, equally 

 distant from occiput and from root of caudal ; last simple ray strong, 

 bony, not serrated, its rigid part about f length of head. Anal III 5, 

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

 latter below anterior soft ra\ s of dorsal. Caudal peduncle nea' ly as long 

 as deep. Scales longitudinally striated, 24 ~, 2 between lateral line and 

 ventral, 12 round caudal peduncle. Olive, dorsal scales darker at the base. 



Total length 280 millim. 



Dubuka R., French Guinea. — Type in the Paris Museum. 



Allied to B. micronema, but barbels longer and scales fewer. 



CD a. BARBUS DWAARSENSIS. 

 Gilchrist & Thompson, Ann. S. A£r. Mus. xi. 1913, p. 384. 



Depth of body equal to length of head, 3§ times in total length. 

 Snout pointed, projecting beyond mouth, nearly 3 times in length of head ; 

 eye 4-jj- times in length of head, interorbital width nearly 3 times ; 

 mouth subinferior, its width 3^ times in length of head ; lips moderately 

 developed, lower with a mental lobe about h diameter of eye in depth ; 

 two barbels on each side, anterior § diameter of eye, posterior as long as 

 eye. Dorsal III 10, equally distant from middle of eye and from root 

 of caudal, border concave ; last simple ray moderately enlarged, bony, 

 not serrated, its rigid part § length of head. Anal III 5, not reaching 

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

 below middle of dorsal. Caudal peduncle \\ times as long as deep. 

 Scales longitudinally striated (some on the upper part of the body 

 appear to be slightly radiate), 27 p, 2| between lateral line and ventral, 

 12 round caudal peduncle. Brown, darker above than below, with 

 about 3 faint darker longitudinal lines ; lower part of head and operclcs 

 light. 



Total length 106 millim. 



Dvvaars R., Transvaal. — Type in S. African Museum, Cape Town. 



Near B. brucii, but caudal peduncle shorter. 



