402 



S1LUBID2E. 



extending as far bark as occipito-nuchal shield, with 2 or 3 strong spines 

 directed backwards. Skin villose on the sides. Dorsal I 7 ; spine as long 

 as or a little longer than head, feebly curved, striated, smooth in front, 

 very feebly serrated behind. Adipose dorsal 3 to 3| times as long as 

 deep, twice as long as its distance from rayed dorsal. Anal V 7-8, 

 pointed in front. Pectoral spine neaily as long as head, strongly serrated 

 on both sides. Ventral reaching beyond origin of anal. Caudal deeply 



Tig. 304. 



Synodontis omias. 

 Jebba. \. 



forked, upper lobe the longer and produced into a filament. Caudal 

 peduncle as long as deep. Uniform brownish. 

 Total length 350 millim. 



Niger. 



1. Ad. 



2. Skeleton, type. 



3. Skel. 



Jebba, Upper Niger. 



Niger. 



W. Africa. 



Oapt. G. F. Abadie (P.). 

 Mr. J. T. Dalton (C). 



