ABSTRACTS FROM THE ANNUAL-MEETING OF THE AMERICAN-SOCIETY-OF-ZOOLOGISTS, AMERICAN-MICROSCOPIC-SOCIETY, ANIMAL-BEHAVIOR-SOCIETY, THE-CRUSTACEAN-SOCIETY, INTERNATIONAL-ASSOCIATION-OF-ASTACOLOGY, AND THE SOCIETY-OF-SYSTEMATIC-ZOOLOGY - DECEMBER 27-30, 1986, NASHVILLE, TENNESSEE - INTRODUCTION TO THE SYMPOSIUM - EVOLUTION OF HORMONE DIVERSITY | CU Experts