AUCHEJS T OGLANIS. 



375 



6. AUCHENOGLANIS UBANGENSIS. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 41, pi. xi. fig. 3 (1902). 



Depth of body 5 times in total length, length of head Z\ times. 

 Head 1^ times as long as broad, feebly rugose above ; snout pointed, 

 half length of head; occipital process small, longer than broad, not 

 reaching the feebly developed interneural plate ; eye supero-lateral, 

 6 times in length of head, 2 times in interorbital width ; mouth half 



Fig. 290. 



Auchenoglan is ubaitgensis. 

 Type (A. M. C). f . 



width of head; praemaxillary teeth forming a small reniform group. 

 Maxillary and inner mandibular barbels equal, \ length of head ; outer 

 mandibular 1^ times length of head, nearly reaching extremity of 

 pectoral fin. Humeral process small, pointed, striated. Dorsal I 7 ; 

 spine smooth, with a few very feeble retrorse seme on the anterior 

 border near the extremity, ^ length of head. Adipose dorsal 4 times as 

 long as deep, separated from rayed dorsal by a space equal to § its 

 length, narrowly separated from caudal. Anal 12 (8 rays branched). 

 Pectoral not reaching ventral, spine strong, smooth on outer side, with 



