240 ADDENDA, VOL. II. 



Ja River (Congo System), South Caraeroon. — Type in Vienna Museum. 

 This and the two preceding species are distinguished from the otlier 

 allies of iA hijntn by the absence of the anterior barbel. 



Gt] e. BAHBUS LUCIUS. 

 Bouleng. Ann. & Mag. N. H. (8) vi. I'.UO, p. 5.J3. 



Depth of body 4^ to 4| times in total length, length of liead %\ to 

 3J times. Head nearly 3 times as long as broad ; snout rounded, 

 3 to 3| times in length of head ; eye oh (young) to 5 times in length of 

 head, interorbital width 4 to 4i times ; mouth terminal, or lower jaw 

 projecting, its width 3| to 4 limes in length of liead ; lips ratlier 



FiK. 11 9. 



Barbiis lucius. 

 Type, h 



stron<>ly developed, not extending across chin ; two barbels on each 

 side, the anterior very minute, the posterior ^ or | diameter of eye. 

 ])orsal HI 9-10, equally distant from eye and from caudal, border 

 feebly concave ; last simple ray strong, bony, not serrated, i to | length 

 of head. Anal III 5, not reaching caudal. Pectoral ^ to f length of 

 head, not reaching ventral ; latter below anterior soft rays of dors:il. 

 Caudal peduncle nearly twice as long as deep. Scales linely striated 

 longitudinally, 43-47 fr^, 3 between lateral line and ventral, 10 round 

 caudal peduncle. Silvery, back brownish, fins orange. 



Total length 230 millim. 



Angola. 

 1-2. Types. Lucalla II. at Lucalla. Di'. A\'. -T. Ansorge (C). 



This species occupies an isolated position in the li. !>//iuii division. 



