UNITED STATES 



DEPARTMENT OF THE INTERIOR 



FISH AND WILDLIFE SERVICE 



BUREAU OF COMMERCIAL FISHERIES. 



WASHINGTON, D.C. 20240 



OFFICIAL BUSINESS 



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POSTAGE AND FEES PAID 

 U.S. DEPARTMENT OF THE INTERIOR 



Marine 2iolo3ical Lab., 

 120 T Woods Hole, Mass. 



