Contents: Preface. M.S. Banks, E. Shannon, Spatial and Chromatic Visual Efficiency in Human Neonates. D.Y. Teller, D.T. Lindsey, Motion Nulling Techniques and Infant Color Vision. R. Held, What Can Rates of Development Tell Us About Underlying Mechanisms? R.N. Aslin, Perception of Visual Direction in Human Infants. P.J. Kellman, Kinematic Foundations of Infant Visual Perception. B.I. Bertenthal, Infants' Perception of Biomechanical Motions: Intrinsic Image and Knowledge-Based Constraints. M.E. Arterberry, L.G. Craton, A. Yonas, Infants' Sensitivity to Motion-Carried Information for Depth and Object Properties. M.M. Haith, Future-Oriented Processes in Infancy: The Case of Visual Expectations. R. Baillargeon, The Object Concept Revisited: New Directions in the Investigation of Infants' Physical Knowledge. V. Dobson, Commentary: Extending the Ideal Observer Approach. R.S. Siegler, Commentary: Cheers and Lamentations.