THE CLIFFS OF FLAMANVILLE _Frontispiece._ THE ANNUAL REVOLUTION OF THE EARTH ROUND THE SUN, WITH THE SIGNS OF THE ZODIAC AND THE CONSTELLATIONS Page ix THE EARTH'S YEAR, AND THE MONTHS " xiv AN ASTRONOMER AT WORK To face page 1 THE NORTHERN CONSTELLATIONS " 49 THE CONSTELLATIONS FROM THE SEA-SHORE " 65 THE ZODIAC OF DENDERAH " 102 I. BABYLONIAN ASTRONOMERS 19 II. DRUIDICAL WORSHIP 37 III. CHALDEAN ASTRONOMERS 87 IV. THE ZODIAC AND THE DEAD IN EGYPT 108 V. THE LEGENDS OF THE DRUIDS 123 VI. THE NEMAEAN LION 146 VII. HEAVENS OF THE FATHERS 191 VIII. DEATH OF COPERNICUS 208 IX. THE SOLAR SYSTEM 225 X. THE DISCOVERY OF THE TELESCOPE 227 XI. THE FOUNDATION OF THE PARIS OBSERVATORY 229 XII. THE LEGEND OF OWEN 315 XIII. CHRISTOPHER COLUMBUS AND THE ECLIPSE OF THE MOON 336 XIV. PRODIGIES IN THE MIDDLE AGES 358 XV. AN ASTROLOGER AT WORK 385 XVI. THE END OF THE WORLD 429