402 



SILUKHLE. 



extending as far back 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 nearly as long as head, strongly serrated 

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



Fig. 304. 



Si/nodontis omias. 

 Jebba. i. 



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

 peduncle as long as deep. Uniform brownish. 



Caudal 



Total length 350 millim. 



Niger. 







1. Ad. 



Jebba, Upper Niger. 



Oapt. G. F. Abadie (P.) 



2. Skeleton, type. 



Niger. 



Mr. J. T. Dalton (C). 



3. Skel. 



W. Africa. 





