Recent studies on acetylcholinesterase inhibition / R.D. O'Brien, B. Hetnarski, R.K. Tripathi, and G.J. Hart -- Interactions of pesticides with cytochrome P-450/ Ernest Hodgson and Arun P. Kulkarni -- Mechanisms of insecticide metabolism in insects : tissue, cellular, and subcellular studies / Ronald J. Kuhr -- The metabolism, storage, and excretion of highly chlorinated compounds by mammals / H.B. Matthews, P.R. Chen, H.M. Mehendale, and M.W. Anderson -- Herbicide-lipid interactions / J.B. St. John and J.L. Hilton -- Insecticidally active conformations of pyrethroids / Michael Elliott, Andrew W. Farnham, Norman F. Janes, Paul H. Needham, and David A. Pulman -- Interaction of formamidines with components of the biogenic amine system / Charles O. Knowles and Shawky A. Aziz -- Structure, activity, and selectivity of 1,2,4-triazinone photosynthesis inhibitors : quantitative studies / W. Draber, K.H. Bèuchel, H. Timmler, and A. Trebst -- Carbanilate herbicides and their metabolic products : their effect on plant metabolism / G.G. Still, D.G. Rusness, and E.R. Mansager -- Mechanism of action of alkylating and nonalkylating insect chemosterilants / Alexej B. Boérkovec -- Insecticidal properties and mode of action of 1-(2,6-dihalogenbenzoyl)-3-phenylureas / L.C. Post and R. Mulder -- An in vitro model system for the production of insect cuticle / E.P. Marks and B.A. Sowa -- Chlorella as a model system to study herbicidal mode of action and its application to a new herbicide, O-ethyl-O-(3-methyl-6-nitrophenyl)-N-sec-butyl phosphorothioamidate (S-2846) / Seizo Sumida and Minoru Ueda -- Activity and mode of action of benzylidenemalononitriles / Yoshihiko Nishizawa, Seizo Sumida, and Saburo Muraoka.