an international journal Volume 136 BYRON K. WILLIAMS (Burlington, Vermont) Adaptive Optimization and the Harvest of Biological Populations M. Broom, C. CANNINGS, AND G. T. Vickers (Sheffield, United Kingdom) ESS Patterns: Adding Pairs to an ESS :, puneceda G. J. Perret, H. M. Byrne, D. L. S. MCELwain, Anp J. Norst RY (Brisbane, Australia) A Model of Wound-Healing Angiogenesis in Soft Tissue R. S. CANTRELL AND C. COSNER (Coral Gables, Florida) AND V. HUTSON (Sheffield, United Kingdom) Spatially Explicit Models for the Population Dynamics of a Species Colonizing an Island Book REVIEW JULIE HOFFMAN (Raritan, New Jersey) Flow Cytometry and Data Analysis: Basic Concepts and Statistics (James Watson) RICHARD WASSERMAN, RAJ ACHARYA, CLAUDIO SIBATA, AND K. H. SHIN (Buffalo, New York) A Patient-Specific In Vivo Tumor Model DAviD GREENHALGH (Glasgow, Scotland, United Kingdom) Effects of Heterogeneity on the Spread of HIV/AIDS Among Intravenous Drug Users in Shooting Galleries VOLUME CONTENTS Elsevier