Content:Chapter 1 Photoperiodism, Melatonin and the Pineal: It's Only a Question of Time (pages 1–8): R. V. ShortChapter 2 Mammalian Pinealocytes: Ultrastructural Aspects and Innervation (pages 9–22): Lutz VollrathChapter 3 Circadian Rhythms and Photoperiodism (pages 23–37): Martin C. Moore?Ede and Margaret L. MolineChapter 4 Photoneural Regulation of the Mammalian Pineal Gland (pages 38–56): David C. KleinChapter 5 Melatonin and the Brain in Photoperiodic Mammals (pages 57–77): M. H. Hastings, J. Herbert, N. D. Martensz and A. C. RobertsChapter 6 Eyes—the Second (and Third) Pineal Glands? (pages 78–92): Michael MenakerChapter 7 Photoperiodism in Birds (pages 93–115): B. K. Follett, R. G. Foster and T. J. NichollsChapter 8 Photic Influences on the Developing Mammal (pages 116–128): Steven M. Reppert, Marilyn J. Duncan and Bruce D. GoldmanChapter 9 Generation of Melatonin Rhythms (pages 129–148): G. A. Lincoln, F. J. P. Ebling and O. F. X. AlmeidaChapter 10 The Role of Rhythms in the Response to Melatonin (pages 149–169): Eric L. BittmanChapter 11 Role of the Pineal Gland in the Photoperiodic Control of Reproductive and Non?Reproductive Functions in Mink (Mustela vison) (pages 170–187): Lise Martinet and Daniel AllainChapter 12 Melatonin Administration: Effects on Rodent Circadian Rhythms (pages 188–207): Stuart Maxwell Armstrong and Jenny RedmanChapter 13 The Pineal and Pubertal Development (pages 208–230): Pierre C. Sizonenko, Ursula Lang, Robert W. Rivest and Michel L. AubertChapter 14 Melatonin, Light and Chronobiological Disorders (pages 231–252): Alfred J. Lewy, Robert L. Sack and Clifford M. SingerChapter 15 Melatonin and Affective Disorders (pages 253–265): Lennart WetterbergChapter 16 Some Effects of Melatonin and the Control of its Secretion in Humans (pages 266–283): J. Arendt, C. Bojkowski, S. Folkard, C. Franey, V. Marks, D. Minors, J. C. Waterhouse, R. A. Wever, C. Wildgruber and J. WrightChapter 17 Melatonin and Malignant Disease (pages 284–310): Lawrence Tamarkin, Osborne F. X. Almeida and David N. Danforth