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I. THE DISCOVERY OF THE UNIVERSE II. THE FOUNDATIONS OF THE UNIVERSE III. THE BIRTH AND DEATH OF WORLDS IV. THE PREPARATION OF THE EARTH V. THE BEGINNING OF LIFE VI. THE INFANCY OF THE EARTH VII. THE PASSAGE TO THE LAND VIII. THE COAL-FOREST IX. THE ANIMALS OF THE COAL-FOREST X. THE PERMIAN REVOLUTION

XI. THE MIDDLE AGES OF THE EARTH XII. THE AGE OF REPTILES XIII. THE BIRD AND THE MAMMAL XIV. IN THE DAYS OF THE CHALK XV. THE TERTIARY ERA XVI. THE FLOWER AND THE INSECT XVII. THE ORIGIN OF OUR MAMMALS XVIII. THE EVOLUTION OF MAN XIX. MAN AND THE GREAT ICE-AGE XX. THE DAWN OF CIVILISATION XXI.