Cultural and psychological theories of witchcraft are related in order to develop a more comprehensive theory. The proposed integrative schema is applied to witchcraft among the Aivilik Eskimos. Using a theoretical approach, continuities in pre- with post-contact witchcraft are related to Eskimo "cultural personality." Changes are shown to be more illusory than real, and when real, to be related to new social and cultural circumstances in which the continuing personality pattern must operate