UNITED STATES DEPARTMENT OF THE INTERIOR 



Walter J. Hickel, Secretary 



Leslie L. Glasgow, Assistant Secretary 



for Fish and Wildlife, Parks, and Marine Resources 



Charles H. Meaeham, Commissioner, U.S. FISH AND WILDLIFE SERVICE 



Philip M. Roedel, Director, Bubeau of Commercial Fisheries 



FISHERY BULLETIN 



VOLUME 68, No. 1 



PUBLISHED BY UNITED STATES FISH AND WILDLIFE SERVICE • WASHINGTON • 1970 

 PRINTED BY UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 



