On Two new African Barhcls. ?)Q)d 



XLV. — Descriptions of Two new African Barbels. 

 By G. A. BouLENGER, F.R.S. 



(Published by peruiissiou of the Trustees of the British Museum.) 



Barbiis somereni. 



Deptli of body 3f times in total leiij^tli, length of head 

 4| times. Snout rounded, 3 times in length of head ; eye 

 .') times in length of head, inteiorbital width 2§ times; 

 mouth suhinferior, its widtli 2f times in length of head ; 

 lips moderately developed, lower continuous across the chin ; 

 two barbels on e!\ch side, anterior 1^, posterior 1^ diameters 

 of eye. Dorsal III 10, equally distant from occiput and 

 from root of caudal, border straight ; last simple ray strong, 

 bony, not serrated, shorter than head. Anal III 5, not 

 reaching caudal. Pectoral f length of head, not reaching 

 ventral ; latter below anterior rays of dorsal. Caudal 

 peduncle If times as long as deep. Scales longitudinally 

 striated, 33||, 3 between lateral line and ventral, 12 round 

 caudal peduncle. Brownish above, wiiitish beneath (has 

 been in formaline). 



Total length 205 mm. 



A .single specimen, now in the British Museum, was ob- 

 tained by Dr. van Someren in the Sebwe River, a snow-water 

 stream on Mount Ruwenzori, in Uganda, at an altitude of 

 GOOO feet. 



The higher number of scales and the shorter spine of tlio 

 dorsal fin well distinguish this new species from B. liindii, 

 151gr., one of the few Barbels with as many as 10 branched 

 rays in the dorsal tin. 



Barhus aboincnsis. 



Depth of body 3 to 3j times in total length, lengtli of head 

 3^ to 3^ times. Snout rounded, as long as eye, which is 

 3^ to 3^ times in length of head ; interorbital width 2f to 

 3 times in length of head ; mouth subinferior, small ; lips 

 moderate ; two barbels on each side, anterior a little shorter 

 than eye, posterior as long as or a little longer than eye. 

 Dorsal 111 8, equally distant from centre or posterior border 

 of eye and trom caudal, border slightly concave; last simple 

 ray not enlarged, not serrated, a little shorter than head. 

 Anal III 5, not reaching caudal. Pectoral | length of head, 

 not reaching ventral ; base of latter below anterior rays of 

 dorsal. Caudal peduncle li times as long as deep. Scales 



