This study describes & analyzers traditional Ojibwa religion & the changes it has undergone through the last three centuries. It emphasizes the influence of Christian missions to the Ojibwas in effecting religious changes, & examines the concomitant changes in Ojibwa culture & environment through the historical period. Taking into account relevant ethnological & historical data, the author's primary aim has been to understand: (1) (synchronically) aboriginal Ojibwa religion & (2) (diachronically) how it has changed through time. Contents: Review of Sources Regarding Ojibwas; Criteria for Determining What Was Traditional Ojibwa Religoin; Ojibwa History; Christian Missions to the Ojibwas; Ojibwa Responses to Christian Missioins; The Ojibwa Person, Living & Dead; The Manitos; Nanabozho & the Creation Myth; Ojibwa Relatins with the Manitos; Puberty Fasting & Visions; Disease, Health, & Medicine; Religious Leadership; Midewiwin; Diverse Religious Movements; The Loss of Ojibwa Religion; & Bibliograpphy. Maps & chart.Fourth printing.