PEST CONTROL BY CHEMICAL, BIOLOGICAL, 
GENETIC, AND PHYSICAL MEANS 
A Symposium 
Chairman 
E. F. KNIPLING 
Agricultural Research Service 
U.S. Department of Agriculture 
Participants 
Personnel of the Canada Department of Agriculture, 
U.S. Department of the Interior, U.S. 
Department of Agriculture, University of 
Western Ontario, U.S. State Universities, 
and Industry 
Presented at the Meeting of the American 
Association for the Advancement of 
Science (Section O on Agriculture), 
December 26-31, 1964 Montreal, 
Canada 
Agricultural Research Service 
UNITED STATES DEPARTMENT OF AGRICULTURE 
