LABEO. 



311 



notched, falciform, last unbranched ray and first branched ray twice 

 length of head. x\nal III 5, reaching root of caudal. Pectoral as long 

 as head, not reaching ventral, the first ray of which falls below second 

 branched ray of dorsal. Caudal notched, crescentic. Caudal peduncle 

 slightly deeper than long. Scales 36 y, 3J between lateral line and 

 root of ventral, 16 round caudal peduncle. Yellowish, with dark brown 

 lines running between the series of scales. 



Total length 225 millim. 



Upper Congo. 

 1. Type. Monsembe. Rev. J. H. Weeks (P.). 



6. LABEO LINEATUS. 



Bouleng. Ann. Miis. Congo, Zool. i. p. 34, pi. xviii. (1898), and Poiss. Bass. Congo, 

 p. 213 (1901). 



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

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

 rounded ; eye perfectly lateral, in middle of head or a little nearer 



Labeo Uneatus. 

 Type(A.M.C.). 4. 



posterior border, 3J (young) to 6 times in length of head, 2 to 4 J times 

 in interorbital width ; width of mouth, with lips, 2| to 3 times in 

 length of head ; both lips with several rows of conical papillae, the outer 

 forming a fringe ; edge of rostral fiap entire or feebly denticulate ; a 

 minute barbel, more or less hidden under folds of skin ; tubercles on 

 snout, or their pore-like scars, small, if present. Dorsal HI 9-12, 

 equally distant from snout or eye and from caudal, upper edge not or 



