Part I. Host-parasite hormonal interactions: New insights - how parasites and pathogens alter the endocrine physiology and development of insect hosts - N.E. Beckage; The life history and development of polyembryonic parasitoids - M.R. Strand, M. Grbic; Schistosome parasites induce physiological changes in their snail host by interfering with two regulatory systems, the internal defense system and the neuroendocrine system - M. de Jong-Brink, R.M. Hoek, W. Lageweb, and A.B. Smit; Infection with Echinostoma Paraensei (Digenea) induces parasite-reactive polypeptides in the hemolymph of the gastropod host biomphalaria glabrata - C.M. Adema, L.A. Hertel, and E.S. Loker; The growth hormone-like factor from plerocercoids of the tapeworm Spirometra mansonoides is a multifunctional protein - C.K. Phares; Peptides - an emerging force in host responses to parasitism - I. Fairweather. Part II. Parasitism and reproduction: Testosterone and immunosuppression in vertebrates - implications for parasite-mediated sexual selection - N. Hillgarth, J.C. Wingfield; Host embryonic and larval castration as a strategy for the individual castrator and the species - J.J. Brown and D. A. Reed; The role of endocrinological versus nutritional influences in mediating reproductive changes in insect host and insect vectors - H. Hurd and T. Webb . Section III. Parasites, pathogens, and host behavior: Behavioral abnormalities and disease caused by viral infections of the central nervous system - C.G. Hatalaski and W. I. Lipkin; Effects of hormones on behavioral defenses against parasites - B.L. Hart; How parasites alter the behavior of their insect hosts - S.A.Adamo; Parasites, fluctuating asymmetry, and sexual selection - M. Polak; Hormones and sex-specific traits - critical questions - D.K. Hews, M.C. Moore; Host behavior modification - an evolutinary perspective - A.M. Kuris; The ecology of parasites in a salt marsh ecosystem - K.D. Lafferty (Part contents).