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 of Sport Fisheries and Wildlife, Daniel H. Janzen , Director 



ACUTE ORAL TOXICITY OF 1,496 CHEMICALS FORCE-FED TO CARP 



By 



Howard A. Loeb 

 Senior Aquatic Biologist 



and 



William H. Kelly 

 Conservation Biologist 



Fish Laboratory, DeBruce , New York 

 New York State Conservation Department 



Special Scientific Report--Fisheries No. 471 

 Washington, D. C. • September 1963 



