The International Symposium on "The Use of Space by Animals and Men," sponsored by the Animal Behavior Society, took place at the 135th Annual Meeting of the AAAS in Dallas, Texas, on December 29-31, 1968. This book presents the text of all papers and edited discus- sions, as well as the contributions made by several individuals who were unable -to attend the Symposium. The idea of holding the Symposium evolved following my presenta- tion of a paper...