This volume consists of the following ten papers, which were presented at the second Hokan-Yuman Languages Workshop, held at the University of California at San Diego in June 1976: (1) "The Havasupai Writing System," by Rena Crook, Leanne Hinton, and Nancy Stenson; (2) "The Upland Yuman Numeral System," by Martha B. Kendall; (3) "Notes on Walapai Verb Root Structure," by James E. Redden; (4) "Some Processes of Compounding in Walapai," by Akira Y. Yamamoto; (5) "The Determiner in Kiliwa," by Mauricio J. Mixco; (6) "Yuma (Kwtsaan) after 40 Years," by Margaret Langdon; (7) "The Yuman *n- Prefix," by Pamela Munro; (8) "Yuman Language Interrelationships: The Lexical Evidence," by Nancy M. Webb; (9) "The Word for 'Water': The Pomo Evidence," by Robert L. Oswalt; (10) "Switch-Reference in Seri," by Mary B. Moser. (CFM)