Contents. List of Contributors. Introduction to Volume 2: Surpassing the Boundaries (K.R. Miller). New Trends in Understanding the Regulation of Red Cell Membrane Skeleton Organization (C.M. Cohen). The Structure and Function of Cell Adhesion Molecules (B.A. Cunningham). Hexabrachion Protein (Tenascin, Cytotactin, Brachionectin) in Connective Tissues, Embryonic Brain, and Tumors (H.P. Erickson and V.A. Lightner). Cell-Substrate Adhesion: Induction of Cell Spreading and Apical/Basal Plasma Membrane Polarity (B.S. Jacobson). X-Ray Diffraction Studies of Gap Junction Structure (L. Makowski). Processing of Endrocytosed Material (R.F. Murphy). The Cytoskeleton of the Blood Platelet: A Dynamic Structure (V.T. Nachmias and K. Yoshida). Physiological Electric Fields can Influence Cell Mobility, Growth, and Polarity (R. Nuccitelli). Mapping Detailed Shape and Specific Loci of Individual Macromolecules by Brightfield, Darkfield, and Immunoelectron Microscopy (H.S. Slayter). Recent Advances in the Study of Mitochrondria in Living Cells (J.R. Wong and L.B. Chen). DNA-Protein Interactions at Telomeres in Ciliated Protozoans (D.E. Gottschling and V.A. Zakian).