63 OON 



61 00 



59 00 



57 00 



- 55 00 



- 53 00 



51 00 



179 OOE 



1 76 OOW 171 00 166 00 161 00 



Figure 1.— Bering Sea collecting localities. 



156 00 



Arrowtooth flounder 

 (Atheresthes stomias) 



Kamchatka flounder 

 (Atheresthes evermanni) 



Figure 2.— Blind side view of head profiles oi Atheresthes stomias (A) and A. evermanni (B). 



609 



