•20 CrPKINID.E. 



3. No barbels. 



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

 «. Mouth terminal or subinferior. 



Sc 2C-28 ;||, 2-2i, 12 ; depth of body 3 times 

 in total length ; caudal peduncle H-lf 

 times as long as deep 178. B. hrazm>, Pellegr., p. 180. 



Sc 24-27 g|, 21, 12 ; depth of body 2!,-2» 

 times in total length ; caudal peduncle 

 not or but slightly longer than deep . . 179. B. mpihrs, Blgr., p. 181. 



Sc. 22-25 j|, 2-2i, g_io ; depth of body 

 2jf-3| times in total length ; caudal 

 peduncle not or but slightly longer than 

 Jeep 180. B. anema, Blgr., p. 182. 



/3. Mouth inferior. 

 Sc. 23 |J, 2£, 8 ; depth of body 3|- times in 



total length ; caudal peduncle 1^ times as [p. 183. 



long as deep 181 B. trispilomimus, Blgr., 



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



subinferior. 

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



Sc. 22-24 -?, 1|, 10 ; orighi of dorsal midway 



between end of snont and caudal . . . 182. B. salemi, Pellegr., p. 183. 

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



of snout than caudal 183. B. jw, Blgr., p. 184. 



/3. Dorsal with 8 branched rays ; pectoral reaching or nearly reaching 



ventral. 

 3J-4| 



1 Ol' 



Sc. 19-21 |f, 1£, 185. B. pumiltis, Blgr., p. 18(5 



[p. 185. 



Sc. 22-25 fiHJI, 1|, 9-11 184. B. stiymatopygus, Blgr. 



1. BARBUS TROPIDOLEPIS. 

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



p. 228 (1901;, and Tr. Zool. Soc. xvi. 1901, p. 145, pi. xiii. tig. 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 5t? times in length of head, inter- 

 orbital width 2^ to 2f 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 ( J, 



