Integration in the insect endocrine system, C G H Steel & K G Davey. Hormone action at the cellular level, L M Riddiford. Ecdysteroid action at the molecular level, J D O'Connor. Control of metabolic processes, J E Steele. Control of DOPA-Decarboxylase, C E Sekeris & E G Fragoulis. The role of juvenile hormone in reproduction, J K Koeppe et al. The role of ecdysteroids in reproduction, H H Hagerdorn. Role of cyclic nucleotides in hormone action, W A Smith & W L Combest. Regulation of pupariation in flies, J Zdarek. Hormonal control of cuticle mechanical properties, S E Reynolds. Hormonal control of diapause, D L Denlinger. Hormonal control of ecdysis, J W Truman. Endocrine control of polymorphism and polyphenism, J Hardie & A D Lees. Hormonal effects on flight and migration, M P Pener. Antihormones, W S Bowers. Species index. Author index. Subject index.