326 ctpuinid/F. 



nearer caudal than end of snout, upper edge not or but feebly notched 

 in adult, more distinctly in young, longest rays as long as or longer than 

 head. Anal II 5. extending beyond root of caudal. Pectoral as long as 

 head, not reaching ventral, the first ray of which is below 9th or 10th 

 ray of dorsal. Caudal deeply forked. Caudal peduncle nearly as long 

 as deep. Scales 38-39 sjErr, 4 between lateral line and root of ventral, 



'a °2 



1 6-18 round caudal peduncle. Brown or dark purplish above, the scales 

 edged with green ; dorsal and anal pink, pectorals and ventrals dark 

 purple, caudal pale yellow at the base, pink at the end. 



Total length 590 millim. 



Congo. — Types in Congo Museum, Tervueren. 



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



types. 



2. Hgr. Cataracts of YelaLi, near M. P. Delhez (C). 



Matadi. 

 3-5. Ad.- & yg. Kwango R. at Fort Don Dr. W. J. Ansorge (C). 



Carlos I., Angola. 



21. LABEO CYCLORHYNCHUS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 98, pi. xl. fig. 1 (1899), and Poiss. Bass. 



Congo, p. 211 (1901). 

 Labeo cyclorliynchus, v;ir. variegata, Pellegr. Bull. Mus. Paris, 1901, p. 332. 



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

 Head 3f to 4 times in total length, l£ to If- times as long as broad; 

 snout broad and rounded, projecting very little beyond mouth ; eye 

 supero-lateral, in middle of head, 3 (young) to \.\ times in length of 

 head, 1^ to 2§ times in interorbital width; width of mouth, with lips, 

 If times in length of head ; lips feebly fringed, with feeble plicae on the 

 inner surface ; rostral flap feebly denticulate ; a small barbel, nearly 

 hidden in folds of skin; small tubercles on sides of snout. Dorsal III 

 11-12, equally distant from eye and from caudal, upper border concave, 

 longest ray If- times length of head. Anal 111 5, reaching root of 

 caudal. Pectoral not reaching ventral, the first ray of which falls below 

 4th branched ray of dorsal. Caudal deeply notched, crescentic. Caudal 

 peduncle as long as deep. Scales 35-38 ^f, 4 between lateral line and 

 root of caudal, 16 round caudal peduncle. Dark brown above, greyish 

 beneath, each scale with a crimson spot; vertical fins dark grey. Young 



