- CONTENTS
- BIOPHYSICS AND PSYCHOPHYSICS OF PHOTORECEPTORS
- Visual Pigments and Colour Vision in Primates / J. K. Bowmaker = 1
- The Cost of Trichromaticity ofr Spatial Vision / D. R. Williams ; N. Sekiguchi ; W. Haake ; D. Brainard ; O. Packer = 11
- Variability in Cone Populations and Implications / J. Pokorny ; V. C. Smith ; M. F. Wesner = 23









