UNITED STATES DEPARTMENT OF THE INTERIOR 



Stewart L. Udall, Secretary 



Charles F. Luce, Under Secretary 



Stanley A. Cain, Assistant Secretary for Fish and Wildlife and Parks 



FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner 



Bureau of Commercial Fisheries, Harold E. Crowther, Acting Director 



Red-Tide Research Summarized to 1964 

 Including an Annotated Bibliography 



By 

 GEORGE A. ROUNSEFELL and WALTER R. NELSON 



Contribution No. 20, Bureau of Comnnercial Fisheries 

 Biological Laboratory, St. Petersburg Beach, Fla. 



United States Fish and Wildlife Service 

 Special Scientific Report--Fisheries No. 535 



,4 



Washington, D.C. 

 Decennber 1966 



