60S 



SILURID^E. 



three occipital processes, the median embracing the point of the inter- 

 neural shield ; snout pointed, projecting strongly beyond the mouth ; 

 eye 9 to 10 times in length of head, 3 to 3| times in interocular width. 

 Maxillary barbel about \ length of head, mandibulars J. Coracoid and 

 clavicle exposed, rugose. First dorsal I 6 ; spine covered with asperities, 

 a little shorter than head. Anal 10 (first ray rudimentary). Pectoral 

 spine similar to dorsal, but a little shorter, not reaching ventral ; latter 



Fig. 379. 



Tracliyglanis minutus. 

 Type (A. M. C). x 2. 



widely separated from ventral. Caudal peduncle a little depressed, 

 about f total length. Series of scutes beginning before origin of dorsal, 

 uniting on caudal peduncle; 18-20 dorsal and 29-30 latero-ventral 

 scutes, 9-10 last on caudal peduncle. Light brown above, darker on 

 the head and sides, with broad dark bars; belly whitish. 



Total length 50 millim. 



Ubanghi. — Types in Congo Museum, Tervueren. 

 1-2. Two of the types. Banzyville. Capt. Royaux ((J.)'. 



38. BELONOGLANIS. 



Bouleng. Ann. Mus. Congo, Zool. ii. p. 50 (1902). 



As in the preceding, but bony scutes still more developed, not keeled, 



and forming a single series on the back behind the dorsal fin, first 



dorsal and pectoral rays thickened but not spinous, and mouth 



toothless. ; 



• Ubanghi. 



