446 



SILURID.E. 



not extending quite so far back as occipito-nuchal process. Dorsal 1 7 ; 

 spine a little shorter than head, striated, smooth in front, very feebly 

 serrated behind. Adipose dorsal 4| times as long as deep, 2J times as 

 long as its distance from rayed dorsal. Anal III 7, obtusely pointed in 

 front. Pectoral spine as long as dorsal, not reaching ventral, moderately 

 serrated on outer border, very strongly on inner. Ventral not reaching 



Fig. 334. 



Synodontis soloni. 

 Type (A. M. C). 



anal. Caudal deeply forked. Caudal peduncle deeper than long. 

 Olive-grey above, marbled with brown, white beneath ; dorsal and caudal 

 fins with round brown spots. 



Total length 130 millim. 



Congo. — Type in Congo Museum, Tervueren. 

 1. One of the types. Congo. Brussels University. 



