His little work, however, does not claim to be either a review or a criticism, and does not therefore, in any sense, cover the ground which I have travelled.

It is an exposition and exoneration of his own school of mystic thought, which is that of the Martinists, and I have mentioned it in this connection in its proper place.
CONTENTS PAGE PREFACE v CHAPTER I SATANISM IN THE NINETEENTH CENTURY 1 CHAPTER II THE MASK OF MASONRY 22 CHAPTER III THE FIRST WITNESSES OF LUCIFER 42 CHAPTER IV EX ORE LEONIS 53 CHAPTER V THE DISCOVERY OF M.RICOUX 74 CHAPTER VI ART SACERDOTAL 82 CHAPTER VII THE DEVIL AND THE DOCTOR 97 CHAPTER VIII DEALINGS WITH DIANA 162 CHAPTER IX HOW LUCIFER IS UNMASKED 182 CHAPTER X THE VENDETTA OF SIGNOR MARGIOTTA 201 CHAPTER XI FEMALE FREEMASONRY 225 CHAPTER XII THE PASSING OF DOCTOR BATAILLE 233 CHAPTER XIII DIANA UNVEILED 255 CHAPTER XIV THE RADIX OF MODERN DIABOLISM 290 CHAPTER XV CONCLUSION 299 DEVIL-WORSHIP IN FRANCE.