-0 CYPRlNrELE. 



3. No barbels. 



a. Lateral line complete ; dorsal with 8 branched rays. 

 a. Mouth terminal or subinferior. 



Sc. 26-28 |f, 2-2i 12 ; depth of body 3 times 



in total length ; caudal peduncle li-lf 



times as long- as deep 178. B. hrazz/v, Pellegr., p. 180. 



Sc. 24-27 §j, 2J, 12; depth of body 2J-2£ 



times in total length ; caudal peduncle 



not or but slightly longer than deep . . 179. B. aspilus, BIgr., p. 181. 

 Sc. 22-25 ~, 2-21, g_io ; depth of body 



2|-3| times in total length ; caudal 



peduncle not or but slightty longer than 



deep 180. B. anema, BIgr., p. 182. 



B. Mouth inferior. 

 Sc. 23 ||, 2f, 8 ; depth of body 3| times in 



total length ; caudal peduncle li times as [p. 183. 



long as deep 181 B. trispUomimus, BIgr., 



/>. Lateral line absent or reduced to a few tubules ; mouth terminal or 

 subinferior. 



a. Dorsal with 7 branched rays ; pectoral not reaching ventral. 



5- 

 Sc. 22-24 si, 1tt, 10 ; origin of dorsal midway 



between end of snout and caudal . . . 182. B. salessii, Pellegr., p. 183. 



3- 

 Sc. 20-23 gf, 2, 8 ; origin of dorsal nearer end 



of snout than caudal . 183. B. jce, BIgr., p. 184. 



B. Dorsal with 8 branched rays; pectoral reaching or nearly reaching 



3I ' ventraL [ P . 185. 



Sc. 22-25 §Ff|, H, 9-11 184. B. stigntatopygus, BIgr., 



Sc. 19-21 |f, \\, 9 185. B.pumilus, Blgr., p. 186. 



1. BARBUS TROPIDOLEPIS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 133, pi. xlix. (1900), Poiss. Bass. Congo, 

 p. 228 (1901;, and Tr. Zcol. Soc. xvi. 1901, p. 145, pi. xiii. lig. 2, and xvii. 

 1906, p. 549. 



Depth of body 3 to 3^ times in total length, length of head 4 to 4^ 

 times. Snout rounded, strongly projecting beyond mouth, 3 to 3^ times 

 in length of head ; eye 3 (young) to 5J times in length of head, inter- 

 orbital width 2ij to 2-f times ; mouth inferior, its width 3-| to 4 times in 

 length of head ; lips moderately developed, continuous across the chin ; 

 anterior barbel usually absent, posterior very short. Dorsal III 9, 



