342 



CYPRI]SriD.E. 



transverse plies; two barbels on each side, anterior ^, posterior | 

 diameter of eye ; snout with conical horny tubercles. Dorsal IV 10, 

 with concave upper border, a little nearer caudal than end of snout, 

 longest ray slightly longer than head. Anal III 5, nearly reaching root 



Fig. 257. 



Laheo ansorgii. 

 Type. 



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

 is below middle of dorsal. Caudal deeply forked, with acutely pointed 

 lobes. Caudal peduncle slightly longer than deep. Scales 36 7!. 

 4 between lateral line and root of ventral, 16 round caudal peduncle. 

 Silvery, back brownish. 



Total length 65 millim. 



Angola. 



1. T}'pe. Swamps at Dougwenna, Mossamedes. Dr. W. J. Ansorge (C). 



2. Yg.* Cabro Negro. Dr. Welwitsch (P.). 



36. LABEO BARBATUS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 36, pi. xix. fig. 2 (1898), and Poiss. Bass. 

 Congo, p. 218 (1901). 

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

 Head IJ to \\ times as long as broad, 4 to 5 times in total length ; 

 snout rounded, very prominent, slightly longer than postocular part of 

 head ; eye supero-lateral, 3^ (young) to 8 times in length of head, 1| to 

 4 times in interorbital width ; width of snout, with lips, f to ^ length 

 of head ; lips with transverse plicse on inner surface, upper entire, lower 

 fringed with conical papillae; rostral flap with denticulate edge; two 

 much developed barbels on each side, much longer than ej e in adult, 



* This specimen, in bad condition, was referred by Giinther to L. senegalensis. 



