1931. The author's aim is to first state as clearly and fairly as possible the opinion held by leading modern Geologists in regard to the history of Earth, and then to see how far these confirm or conflict with the statements of occult science. Contents: Occult and Scientific Chronology; The Azoic and Archeozoic Eras. The First Round; The Proterozoic Era. The Second Round; The Paleozoic and Mesozoic Era. The Third Round; The Cenozoic Era. The Fourth Round; The Eocene Period. The First Root Race; The Oligocene Period. The Second Root Race; The Miocene Period. The Continent of Lemuria; The Early Pliocene Period. The Third Root Race; The Later Pliocene and the Early Pleistocene Periods. Atlantis and the Fourth Root Race; The Later Pleistocene Period. The Aryan Race; and Glimpses of Aryan Civilisations after the Flood.