UNITED STATES DEPARTMENT OF THE INTERIOR 

 U.S. Fish and Wildlife Service 



BUREAU OF commercial FISHERIES 



Report of the Bureau of Commercial Fisheries 



Biological Laboratory, 

 St. Petersburg Beach, Florida, 



Fiscal Year 1968 



JAMES E. SYKES, Director 



Contribution No. 49, Bureau of Commercial Fisheries 

 Biological Laboratory, St. Petersburg Beach, Florida 33706 



Circular 313 



Washington, D.C. 

 May 1969 



