UNITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



Frank P. Briggs, Assistant Secretary for Fish and Wildlife 



FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner 



Bureau op Commercial Fisheries, Donald L. McKeman, Director 



The Fishery for Blue Crabs in the 

 St. Johns River, Florida, 

 With Special Reference to Fluctuation in 

 Yield Between 1961 and 1962 



By 

 MARLIN E. TAGATZ 



United States Fish and Wildlife Service 

 Special Scientific Report- -Fisheries No. 501 



Washington, D.C. 

 February 1965 



