CYPRINIDJE. 



201 



14 a. LABEO PERCIVALI. 

 Bcmleng. Proc. Zool. Soc. 1912, p. 675, pi. Ixxviii. 



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

 Head 4 to 4-f times iu total length, 1J to If times as long as broad ; 

 snout rounded, ^ length of head ; eye perfectly lateral, 2f (young) to 

 of times in length of head ; lips with small papillae forming transverse 



Fig. 126. 



W 



pm> . 



Laheo percivali. 

 Type (P. Z. S. 1912). |. 



plica? ; lower lip with a fringe of large papillae ; rostral flap moderately 

 large, with entire or indistinctly denticulate edge ; a small barbel in the 

 corner of the mouth. Dorsal III 10-11, equally distant from end of 

 snout and from root of caudal, or slightly nearer the former, upper 

 edge concave ; last simple ray in adult males much produced, twice, or 

 nearly twice, as long as head, not or but little longer than head iu 

 females and young. Anal III 5, reaching or nearly reaching root of 

 caudal. Pectoral considerably longer than head in males, reaching base 

 of ventral, the first ray of which falls below fourth or fifth branched 

 ray of dorsal, shorter iu females. Caudal deeply emarginate, with 

 long pointed lobes. Caudal peduncle 1^ to 1J times as long as deep. 

 Scales 38-42 grfp, 5 between lateral line and root of ventral, 18 round 

 caudal peduncle. Silvery, back brownish grey ; vertical fins greyish. 

 Total length 190 millim. 



