ALL TERMS IN CONTEMPORARY AMERICAN ENGLISH WHICH PERTAIN TO ASPECTS OF HUMAN BEHAVIOR OR PERSONAL CHARACTERISTICS WERE ASSEMBLED FROM AVAILABLE LEXICONS. THESE TERMS WERE CATEGORIZED INTO 15 RUBRICS ON THE BASIS OF JUDGMENTS OF THEIR FAMILIARITY, SPECIFICITY, AND CERTAIN BROAD SEMANTIC CRITERIA. SOME 2,800 TERMS WERE IDENTIFIED WHICH SEEMINGLY REFERRED TO RELATIVELY STABLE AND SPECIFIC "BIOPHYSICAL" TRAITS OF INDIVIDUALS. THESE WORDS WERE PRESENTED TO GROUPS OF UNIVERSITY UNDERGRADUATES TO DETERMINE FAMILIARITY LEVELS, SPECIFICITY OF CONNOTATIVE MEANING, AND A VARIETY OF PSYCHOMETRIC OPERATING CHARACTERISTICS (E.G., ENDORSEMENT RATES FOR SELF AND FOR OTHERS, DESIRABILITY, ETC.). RESULTS OF THE ANALYSIS OF THESE DATA ARE PRESENTED AND SOME OF THEIR POTENTIAL USES FOR TEST DEVELOPMENT AND PERSONALITY DESCRIPTION ARE SUGGESTED. ADDITIONAL ANALYSES CURRENTLY IN PROGRESS DIRECTED TOWARD FURTHER REFINEMENT OF THE SET AND THE DEVELOPMENT OF A STRUCTURED TAXONOMY BASED ON THESE DESCRIPTORS ARE BRIEFLY OUTLINED. (AUTHOR)