some Freshwater Fishes from Lower Congo. 169 



Barhus lamani, sp. l). 



Native name " Nliilu." 



Locality. Mukimbunoru. 



One specimen, 10"2 cm. in total length. 



Depth of body Sy times in total length ; length of head ^\ 

 times. Sjioiit blunt, a little longer than eye. Upper margin 

 of eye about touching the upper profile-line of tlie forehead. 

 Eye 4 times in length of head ; interorbital width 3^ times 

 in length of head. Mouth almost terminal. Two barbels on 

 each side, about equal in lengtii, and about 1^ times diameter 

 of eye. Dorsal III 7, a little nearer occiput than caudal, 

 boi'der slightly concave; last simple ray flexible, not en- 

 larged, not serrated, not quite 1^ times in the length of head. 

 Aual III 5, not reaching caudal. Pectoral not quite 1^ times 

 in the length of head, not reaching ventral ; base of latter 

 below anterior base of dorsal. Caudal peduncle fully 1^ 

 times as long as deep. Scales with few radiating canals ; 

 2& ~, 3 between lateral line and ventral, 11 round caudal 

 peduncle. There appears to have been a longitudinal blackish 

 Hliading along the lateral line, as well on the anterior part of 

 the body as on the caudal peduncle. A small roundish black 

 spot at the base of the caudal. 



The general colour in alcohol is rather olive, most of the 

 scales with a dark spot at the base. 



This Barhus belongs evidently to the same group as 

 B. cawptacanthufi, Bleek., with which it agrees in most 

 resi)ects. It diflfers, however, by the shape of its snout, the 

 situation of the eye, the much smaller interorbital width, etc. 



Barhus camptacanthus, Bleek. 



Native name "Nionzi." 

 Locality. Kingoyi, Lower Congo. 

 Five specimens. 



Discognathus occidenlaJis^ sp. n. 



Native name " Mululu." 



Jjocality. At the watershed between French and Belgian 

 Congo, Kingoyi. 



Three specimens, length of the largest one 57 mm. 



Body feebly compressed, its depth 5^ times in total length. 

 Head moderately depressed, a little broader than deep, a 

 little more than 1^ times as long as broad, its length about 4 



