UNITED STATES 



DEPARTMENT OF THE INTERIOR 



U.S. FISH AND WILDLIFE SERVICE 



BUREAU OF COMMERCIAL FISHERIES 



WASHINGTON, D.C. 20240 



POSTAGE AND FEES PAID 

 U.S. DEPARTMENT OF THE INTERIOR 



OFFICIAL BUSINESS 



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Dr. Bostwick H. Ketchum 



Woods Hole Oceanographic Institution 



Woods Hole, Massachusetts 02543 



