Preface. Evolutionary Aspects of Diapause in Crustacea. Diapause, a potent force in the evolution of freshwater crustaceans; G. Fryer. Types of diapause in Crustacea: Definitions, Distribution, Evolution; V.R. Alekseev, Y.I. Starabogatov. Distribution of Crustacean Diapause: Micro- and Macroevolutionary Pattern and Process; N.G. Hairston, C.E. Cáceres. Egg Diapause and Clonal Structure in Parthenogenetic Populations of Heterocypris incongruens (Ostracoda); V. Rossi, et al. Influence of Parthenogenetic Reproduction on the Genotypic Constitution and Evolutionary Success of Populations and Species; S.D. Grebelnyi. Physiology of Diapause. Variation in Torpidity of Diapause in Freshwater Cyclopoid Copepods; K. Elgmark. Feeding and Digestive Activity of Cyclopoid Copepods in Active Diapause; P.I. Krylov, et al. On Various Types of Antifreezes in Active and Resting Stages of Organisms; V.V. Khlebovich. The Susceptibility to Loss of Diapause Capacity in Hydrobionts of Ephemeral Waterbodies; V.V. Khlebovich. Induction and Termination of Diapause. Diapause, Quiescence, Hatching Requirements: What We Can Learn From Large Freshwater Branchiopods (Crustacea: Branchiopoda: Anostraca, Notostraca, `Conchostraca'); L. Brendonck. The Influence of Processing and Temperature Conditions on Hatching of Resting Eggs of Streptocephalus proboscideus (Crustacea: Branchiopoda: Anostraca); L. Brendonck, et al. Significance of Photoperiodism and Diapause Control in the Multicyclic Crustacean Daphnia pulex Leydig; R.G. Stross. The Problem of Induction and Termination of Diapause in Cyclopoid Copepods; V.I. Monchenko. Essentials of the Environmental Control of Insect Seasonality as Reference Points for Comparative Studies in Other Invertebrates;V.A. Zaslavski. The Nature of Resting Stages and Their Role in the Population Dynamics of Marine and Freshwater Crustaceans. The Resting Eggs of the Ctenopoda (Crustacea: Branchiopoda): a Review; N.M. Korovchinsky, O.S. Boikova. Ecological and Evolutionary Significance of Resting Eggs in Marine Copepods: Past, Present and Future Studies; N.H. Marcus. Copepod Eggs Survive a Decade in the Sediments of the Baltic Sea; T. Katajisto. Benthic Resting Eggs of Calanoid Copepods in Norwegian Enclosures Used in Mariculture: Abundance, Species Composition and Hatching; T. Naess. Role of Parthenogenetic Natality and Emergence from Diapausing Eggs in the Dynamics of Some Rotifer Populations; E.A. Mnatsakanova, L.V. Polischuk. Diapause and Crustacean Life Histories. The Biology and Morphology of the Marine Harpacticoid Copepod Heteropsyllus nunni Coull, During Encystment Diapause; J. Williams-Howze. Distribution and Summer Diapause of Canthocamptus staphylinus (Jurine) (Copepoda: Harpacticoida) in Lake Ladoga; E.A. Kurashov. Diapause in the Life Cycle of Calanoides carinatus (Kroyer) (Copepoda: Calanoida); E.G. Arashkevich, et al. Growth and Fecundity of Daphnia After Diapause and Their Impact on the Development of a Population; K. Arbaač, Z.R. Gasiūnaitė. Variable Life History of a Cyclopoid Copepod: the Role of Food Availability; A.M. Hansen. Diapause of Copepods as an Element for Stabilising the Parasite System of Some Fresh Fish Helminths; N.V. Evseeva. Ecology of Diapausing Copepodids of Cyclops Kolensis Lill. in Reservoirs of the Upper Volga; I.R. Rivier.