Allen W. Johnson is Professor of Anthropology and Psychiatry at the University of California, Los Angeles. He is the author, most recently, of "Oedipus Ubiquitous: The Family Complex in World Folk Literature "(Stanford, 1996). Timothy Earle is Professor of Anthropology at Northwestern University. He is the author, most recently, of "How Chiefs Come to Power: The Political Economy in Prehistory "(Stanford, 1997).