1971 



UNITED STATES 

 DEPARTMENT OF COAAMERCE 



lATIONAL OCEANIC & ATMOSPHERIC ADMINISTRATION 



NATIONAL MARINE FISHERIES SERVICE 



SCIENTIFIC PUBLICATIONS UNIT 



BIDG. 67, NAVAL SUPPORT ACTIVITY 



SEAHLE, WASHINGTON 98115 



OFFICIAL BUSINESS 



POSTAGE AND FEES PAID 

 U.S. DEPARTMENT OF COMMERCE 



PERIODICALS LIP!;ARI.^M 



BLOL'ja 

 VIIOUDS HOLE, 



UA OS?-!? 



