PREFACE It is the purpose of these lectures delivered under the auspices of the American Committee for Lectures on the History of Religions, to sum up the results of researches carried on by me for many years in the field of ancient astrology and astral religion. For some facts set forth here in a summary fashion, I can refer the reader interested in the details to a number of special articles published in various periodicals; the proof of other assertions will be given in a larger work that I hope at some future date to publish on this same general theme. My sincere thanks are due to Mr. J. B. Baker of Oxford who has carried out the task of translating these lectures in so satisfactory a manner; and I am also largely indebted to my friend, Mr. J. G. C. Anderson of Christ Church, who was kind enough to undertake the revision of the manuscript. I also owe some valuable corrections to Prof. Morris Jastrow, Jr., of the University of Pennsylvania, who, as Secretary of the American Committee, may be said to have called this book into existence, and to whom I take pleasure in dedicating the volume, as a mark of recognition of his own researches in the cognate field of Babylonian-Assyrian astrology. FRANZ CUMONT