Section headings and selected papers: Inner Ear Cell Biology. Neurobiology of cochlear hair cells, P Dallos. Auditory Periphery Functioning. Cochlear mechanics, J P Wilson. Scanning electron microscopy of the echidna: morphology of a primitive mammalian cochlea, J O Pickles. Frequency Selectivity. Comparisons of physiological and behavioural properties: auditory frequency selectivity, E F Evans et al . Pitch. The musical pitch of high frequency tones, K Ohgushi & T Hatoh. ;B>Intensity Coding. Neural encoding of sound intensity in the ventral cochlear nucleus of awake and behaving cats, B J May & M B Sachs; Temporal Analyses. Physiological correlates of temporal integration, N F Viemeister et al. Spectral Shape Analysis. Discrimination of complex spectra: spectral weights and performance efficiency, B G Berg & D M Green; Spectro-temporal Processing. How does physiology support auditory scene analysis? A S Bregman. Binaural Interactions and Sound Localization. Frequency discrimination, amplitude discrimination and the binaural masking level difference: some anomalous results, G B Henning. Pathologies. Effect of short duration acoustic trauma on activity of single neurons in the ventral cochlear nucleus, F A Boettcher & R J Salvi; Author Index. Subject Index.