OTOPERCA. 



131 



or centre of eye; snout naked, remainder 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 111 8-9 ; 

 second and third spines equal, 3 to -f length of head. Pectoral as long- 



Fig. 95. 



Otojierca auritu. 

 Ambas Bay. f . 



as head. Caudal rather deeply emarginate. Caudal peduncle about 

 1^ times as long as deep. Scales 48-52 or^. 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 180 millim. 



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

 Museum. 



1-3. Ad. & yg. Niger. Mr. L. Fraser (C). 



4. Skel. 



5-0. Ail. Ambas Bay, Cameroon. Misa Kingsley (C). 



7. Ad. Coast o£ Angola. Dr. W. J. Ansorgo (C). 



K2 



