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CHAPTER II. ASTRONOMY OF THE CELTS
CHAPTER III. ORIGIN OF THE CONSTELLATIONS
CHAPTER IV. THE ZODIAC
CHAPTER V. THE PLEIADES
CHAPTER VI. THE NATURE AND STRUCTURE OF THE HEAVENS ACCORDING TO THE ANCIENTS
CHAPTER VII. THE CELESTIAL HARMONY
CHAPTER VIII. ASTRONOMICAL SYSTEMS
CHAPTER IX. THE TERRESTRIAL WORLD OF THE ANCIENTS.—COSMOGRAPHY AND GEOGRAPHY
CHAPTER X. COSMOGRAPHY AND GEOGRAPHY OF THE CHURCH
CHAPTER XI. LEGENDARY WORLDS OF THE MIDDLE AGES
CHAPTER XII. ECLIPSES AND COMETS
CHAPTER XIII. THE GREATNESS AND THE FALL OF ASTROLOGY
CHAPTER XIV. TIME AND THE CALENDAR
CHAPTER XV. THE END OF THE WORLD