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 
a 
EFFECTS OF CHEMICALS ON EARTHWORMS: 
A REVIEW OF THE LITERATURE 
By 
Stuart P. Davey 

Special Scientific Report--Wildlife No. 74 
Washington, D. C. . September 1963 
