The book presents test methods on evaluation procedures forchemicals. Devices, and other techniques used to control aquaticand terrestrial vertebrates. The areas of major interest to thereader are methods of reducing potential hazards of pesticides,including insecticides, herbicides, and microbial agents; pesticidehazard to aquatic environments; research methodologies devisedprimarily for small and large mammals, and practically ofdeveloping valid test methods for field use in developingcountries.