312 CYPEINID.^. 



but feebly notched, usually a little convex, longest ray as long as or a 

 little longer than head. Anal II-III 5, reaching, or nearly reaching, 

 root of caudal. Pectoral nearly as long as head, not reaching ventral, 

 the first ray of which falls below 2nd, 3rd, or 4th branched ray of 

 dorsal. Caudal emarginate, crescentic. Caudal peduncle deeper than 

 long. Scales 36-37 ^i^, 3 between lateral line and root of ventral, 

 16-18 round caudal peduncle. Body striped with dark green and pink, 

 the pink occupying the middle of each scale ; belly white ; fins olive ; 

 young with sharply defined dark longitudinal lines on the body and a 

 large black spot at the base of the caudal fin. 



Total length 650 millim. 



Congo. — Types in Congo Museum, Tervueren. 



1. Ad., one of the Matadi, Lower Congo. Capt. Wilverth (C). 



types. 



2-3. Ad. & yg. Boma, „ M. P. Delhez (C). 



4. Yg., one ol: llic New Antwerp, Ujiper Capt. Wilverth (0.). 



types. Congo. 



5, 6-7, 8. Ad. & yg. Monsenibe, Upper Congo. Rev. J. H. "Weeks (P.). 

 9. Ad., one of the Stanley Falls. Rev. W. H. Bentley (C). 



types. 



10. Yg. Upper Congo. Brussels University. 



11. Yjj;. Banzyville, Ubanghi. Capt. Royaux (C). 



12. Ilgr. Kwango R., at Fort Don Dr. W. J. Ansorge (C). 



Carlos I., Angola. 



7. LABEO B.OSJR. 

 Stcind. Silzb. Ak. AVien, ciii. i. 1894, p. 457, jil. v. fig. 1. 



Body strongly compressed, its depth 3 to 3 J times in total length. 

 Head 4 J to 5 times in total length, its width about | its length ; snout 

 rounded ; eye perfectly lateral, in middle of head, 4 to 4J times in 

 length of head, about ^ interorbital width ; width of mouth, with lips, 

 3 times in length of head ; both lips with several rows of conical papilte, 

 the outer forming a fringe ; edge of rostral flap entire ; a minute barbel, 

 more or less hidden under folds of skin ; small tubercles on the snout. 

 Dorsal III 11-12, equally distant from anterior border or centre of eye and 

 from caudal, notched, longest ray a little longer than head. Anal III 5, 

 nearly reaching root of caudal. Pectoral as long as head, not reaching 

 ventral, the first ray of which falls below 3rd or 4th branched ray of 

 dorsal. Caudal deeply notched, crescentic. Caudal peduncle as long 



