338 



cl:PEl^'lD.i:. 



large spiny tubercles in the male ; eye supero-lateral, nearer gill-opening 

 than end of snout, 4 times in length of head, 1§ to 2 times in inter- 

 orbital width ; width of mouth, with lips. 2 to 2^ times in length of 

 head ; rostral flap not denticulated ; lower lip with very feebly denticu- 

 lated edge, inner surface with numerous transverse plicee ; a small 

 barbel, hidden in the folds at side of mouth. Dorsal III 10, notched, 



Fig. 254. 



Laheo parvus. 

 Type (A. M. C). i. 



longest ray as long as or a little shorter tlian head. Anal III 5, not 

 reaching root of caudjil. Pectoral a little shorter than head, not 

 reaching ventral, which is below middle of dorsal. Caudal deeply 

 forked, with acutely pointed lobes. Caudal peduncle as long as deep, 

 or a little longer. Scales 33-35 5I, 2-|— 3 between lateral line and 

 ventral, 12 round caudal peduncle. 01i\e above, yellowish beneath, 

 each scale on the upper parts sometimes with a blackish spot; lij)s and 

 paired flns blackish in the males. 



Total length 130 millim. 



Congo. — Types in Congo Museum, Tervueren. 

 1-2. Two cf the types. Banzyville, Ubanghi. ('a)it. Koyaux (C). 



a. Ad. 

 4. Ad. 



Aruwinii R. 



Lindi R. 



Bange Ngola, Angola. 



R. B. Woosnam, Esq. (C.) ; 



Ruwenzori Expedition. 

 M. M. Storms (C); 



Brussels Museum (E.). 

 Dr. W. J. Ansorge (C). 



32. LABEO OBSCURUS. 



Pellegr. Bull. Mus. Paris, 1908, p. 204, and Bull. Soc. Philom. (i») x. 1908, 

 p. 126, fig. 



Depth of body equal to or a little less than length of head, 4 to 4^ 

 times in total length. Head 1^ to 1\ times as long as broad; snout 



