Preface. Session 1: Mechanisms of Transduction I. Ionic mechanisms in hair cells of the mammalian cochlea (J.F. Ashmore). Mechanoelectrical transduction of the chick hair cell (H. Ohmori). On the ionic mechanism of hair cells (a comparative study) (F. Jorgensen). Classification of a calcium conductance in cold receptors (K. Schafer, H.A. Braun and L. Rempe). Calcium channel blockers and Merkel cells (E.G. Pacitti and G.S. Findlater). Responsiveness of slowly adapting cutaneous mechanoreceptors after close arterial infusion of neomycin in cats (K.I. Baumann, W. Hamann and M.S. Leung). Evidence that the Merkel cell is not the transducer inthe mechanosensory Merkel cell-neurite complex (J. Diamond, L.R. Mills and K.M. Mearow). Resume of Session "Mechanisms of Transduction I". (A. Iggo). Session 2: Mechanisms of Transduction II. Mechanoelectric transduction in the slowly adapting cutaneous afferent units of frogs (H. Ogawa). The ultrastructure and receptor transduction mechanisms of dentine (B. Matthews and S.H.S. Hughes). Electrophysiological analysis of chemosensitive neurons within the area postrema of the rat (A. Adachi and M. Kobashi). Responses of muscle spindles depend on their history of activation and movement (J.E. Gregory, D.L. Morgan and U. Proske). Influence of adrenaline and hympoxia on rat muscle receptors in vitro (J. Kieschke, S. Mense and N.R. Prabhakar). Dynamic response characteristics of the ampullae of Lorenzini to thermal and electrical stimuli (H. Wissing, H.A. Braun and K. Schafer). Resume of Session "Mechanisms of Transduction II" (W. Hamann). Session 3: Visceral Receptors, Chemoreception & Molecular Aspects of Receptor Function. Comparative anatomy of vertebrate electroreceptors (K.H. Andres and M. von During). Cutaneous electroreceptors in the Platypus: a new mammalian receptor (A. Iggo, U. Proske, A.K. McIntyre and J.E. Gregory). Structure and functional anatomy of viceroreceptors in the mammalian respiratory system (M. von During and K.H. Andres). The effect of gastro-entero-pancreatic hormones on the activity of vagal hepatic afferent fibres (A. Niijima). The responses of chemoreceptors with medullated and non-medullated fibres to chemical substances and the mechanical hypothesis (A.S. Paintal). Mechanisms of chemotransmission in the mammalian carotid body (S.J. Fidone, C. Gonzalez, B.G. Dinger and G.R. Hanson). Multiple messenger candidates and marker substances in the mammalian Merkel-cell-axon complex: a light and electron microscopic immunohistochemical study (W. Hartschuh and E. Weihe). Chemical factors in the sensitization of cutaneous nociceptors (R.H. Cohen and E.R. Perl). Resume of Session "Visceral receptors, chemoreception & molecular aspects of receptor function" (A.S. Paintal). Session 4: Mechanoreceptors and Structural Aspects of Receptor Function. The cortical lattice: a highly ordered system of sub-surface filaments in guinea-pig cochlear outer hair cells (L.H. Bannister, H.C. Dodson, A.F. Astbury and E.E. Douek). Ruffini corpuscle - a stretch receptor in the connective tissue of the skin and locomotion apparatus (Z. Halata). The site and distribution of mechanoreceptors in the periodontal ligament of the cat represented in the mesencephalic nucleus and their possible regeneration following tooth extraction (R.W.A Linden and B.J.J. Scott). Functional characteristics of afferent C-fibres from tooth pulp and periodontal ligament (E. Jyvasjarvi, K.-D. Kniffki and M.K.C. Mengel). Reinnervation of skin by polymodal nociceptors in rats (L.A.M. Bharali and S.J.W. Lisney). Morphological features of thin sensory afferent fibers: a new interpretation of `nociceptor' function (L. Kruger). The reinnervation of denervated skin (B.L. Munger). Spread of skin deformation and mechanoreceptor discharge (B.H. Pubols). Sensory receptors in a mammalian skin-nerve in vitro preparation (P.W. Reeh). Regeneration of retinal ganglion cell axons in adult mammals (K.F. So). Morphology and response characteristics of the cercus-to-giant interneuron system in locusts to low-frequency sound (Jun-Xian Shen and Zhi-Min Zu). Resume of Session "Mechanoreceptors and structural aspects of receptor function" (L. Kruger). Session 5: Modulation & Efferent Control of Transduction. Do sensory cells in the ear have a motile function? (A. Flock). Measurement of intracochlear current flow (T. Hashimoto and I. Taniguchi). Localization of phosphatidylinositol 4,5-bisphospate onthe steriocilia of cochlear hair cells (K. Yanagisawa, T. Horikoshi, T. Yoshioka and M. Sokabe). Efferent modulation of penile mechanoreceptor activity (R.D. Johnson). Modulation of testicular polymodal receptor activities (T. Jumazawa, K. Mizumura and J. Sato). Psychophysical and neurophysiological studies of chemically induced cutaneous pain and itch: the case of the missing nociceptor (R.H. Lamotte). Possible role of capillary permeability in the excitation of sensory receptors by chemical substances (A. Anand and A.S. Paintal). The expression of sensory receptors on regenerating and regenerated cutaneous C-fibres (J. Leah, G-M. Koschorke, E. Welk and M. Zimmerman). Resume of Session "Modulation & efferent control of transduction" (E.R. Perl).