The Resistance Movement

Abstract

Studies a t the London SchoolResistance Studies i n the U.S.A. I NTRODUCT I OMDr. T a t t e r s f i e l d , founder of the Insecticide Department a t Rothamsted Experlmental Station, once said about the use of Insecticides: himself s o deeply involved i n these problem now that he is bound t o go on f o r ever upsetting the balance and trying to right i t again. erb goes: He who r i d e s a . t i g e r can never d1smount.r RESISTANCE DR. A. W. A. BROWN Ontario, London, Canada. (Pest Control, Sept. 1961.)~ A t the close of 1960, no l e s s than 137 specles of Insects, mites o r ticks Head, Department of zoo1ofgJ University of Western