w^ 



1971 



UNITED STATES 

 DEPARTMENT OF COMMERCE 



NATIONAL OCEANIC & ATMOSPHERIC ADMINISTRATION 



NATIONAL MARINE FISHERIES SERVICE 



SCIENTIFIC PUBLICATIONS UNIT 



BLDG. 67, NAVAL SUPPORT ACTIVITY 



SEATTLE, WASHINGTON 98115 



OFFICIAL BUSINESS 



POSTAGE AND FEES PAID 

 U.S. DEPARTMENT OF COMMERCE 



