LABEO. oZO 



II 5, reaching root of caudal. Pectoral as long as or slightly longer than 

 head, not reaching ventral, the first ray of which falls below 3rd or 4th 

 branched ray of dorsal. Caudal deeply notched, crescentic when fully 

 spread out. Caudal peduncle as long as deep or slightly deeper than 

 long. Scales 32-34 ^, 3 between lateral line and root of caudal, 12 round 

 caudal peduncle. Dark olive-brown, lighter beneath. 



Total length 290 millim. 



Lagos, Gold Coast. 



1-3. Ad. & hgr., types. Lagos. 



4-6. Hgr. & yg., typ«s Nyankoma, Gold Coast 



of L. walkeri. 



H. T. Ussber, Esq. (C). 

 R. B.N. Walker, Esq. (C.) ; 

 Dr. A. Giinther (P.). 



20. LABEO MACROSTOMA. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 36, pi. six. fig. 1 (1898), and Poiss. Bass. 

 Congo, p. 216 (1901). 



Body strongly compressed, its depth 3-^ to 4-^ times in total length. 

 Head 4 to 4^ times in total length, its width f its length ; snout rather 



Fig. 244. 



Labco macrostoma. 

 Type (A. M. C). |. 



pointed, very pi-ominent, swollen at the end in adult ; eye supero-lateral, 

 in second half of head, 4 (young) to 6 times in length of head, 2 to 

 4 times in interorbital width ; width of mouth, with lips, 1-| to 2 times 

 in length of head ; upper lip entire, lower fringed with small papillae, 

 both with transverse plicae on inner surface ; edge of rostral flap denti- 

 culate ; a minute barbel hidden under folds of skin ; snout of adult 

 nearly entirely covered with spinose tubercles. Dorsal III 10, a little 



