402 



SILTJRID.^. 



extending as flir bark as occipito-nnclial 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 



Fig. 304. 



Sijnodontis omiasi. 

 Jebba. h 



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

 peduncle as long as deep. Uniform brownish. 



Total length 350 niillim. 

 Niger. 



1. Ad. Jebba, Upper Ni<2.('r 



2. Skeleton, type. Niger. 



3. Skel. ^Y. Africa. 



f'apt. O. F. Al);ulie (P.). 

 Mr. J. T. l)alt.>ii (('.). 



