OTOPERCA. 



131 



or centre of eye ; snout naked, rerriainder of head covered with scales. 

 20-22 gill-rakers on lower part of anterior arch. Dorsal XII 11-13 ; 

 spines moderately strong, third or third and fourth longest, f to 

 § length of head and exceeding longest soft rays. Anal III 8-9 ; 

 second and third spines eqaal, f to f length of head. Pectoral as long 



Fis. 95. 



Otoj^erca aurita. 

 Ambas Bay. '^. 



as head. Caudal rather deepty emarginate. Candal peduncle about 



4-5 



Ih times as long as deep. Scales 48-52 jj^2' Silvery, brown or olive 

 on the back ; a blackish opercular spot ; a rather indistinct series of 

 round dark spots on the base of the dorsal fin. 



Total length ISO millim. 



West Coast of Africa, from Senegambia to Angola. — Type in Paris 

 Museum. 



1-3. Ad. & jg. 

 4. Skel. 

 5-6. Ad. 

 7. Ad. 



Niger. 



Auibas Bay, Cameroon. 

 Coast of Angola. 



Mr. L. Eraser (C). 



Miss Kingsley (C). 

 Dr. AV. J. Ansorge (C), 



