One of the most important doctrines. Corresponding words in the Sanskrit. Few cycles known to the West. They cause the reäppearance of former living personages. They affect life and evolution. When did the first moment come. The first rate of vibration determines the subsequent ones. When man leaves the globe the forces die. Convulsions and cataclysms. Reïncarnation and karma intermixed with cyclic law. Civilizations cycle back. The cycle of Avatars. Krishna, Buddha, and others come under cycles. Minor personages and great leaders. Intersection of cycles causes convulsions. The Moon, Sun, and Sidereal cycles. Individual cycles and that of reïncarnation. The motion through the constellations, and the meaning of the story of Jonah. The Zodiacal clock. How the ideas are impressed and preserved by nations. Cause for earthquakes, Cosmic Fire, Glaciation, and Floods. The Brahmanical Cycles. Pages 117 to 126. CHAPTER XV. DIFFERENTIATION OF SPECIES—MISSING LINKS. Ultimate origin of man not discoverable. Man not derived from a single pair, nor from the animals. Seven races of men appeared simultaneously on the globe. They are now amalgamated and will differentiate. The Anthropoid Apes. Their origin. They came from man. They are the descendants of offspring from unnatural union in the third and fourth rounds. The Delayed Races. The secret books on the question. Human features of apes accounted for. The lower kingdoms from other planets. Their differentiation by intelligent interference by the Dhyanis. The midway point of evolution. Astral forms of old rounds solidified in physical rounds. Missing links, what they are and why Science cannot discover them. The aim of Nature in all this work. Pages 127 to 134. CHAPTER XVI. PSYCHIC LAWS, FORCES, AND PHENOMENA. No true psychology in the West. It exists in the Orient. Man the mirror of all forces. Gravitation only a half law. Importance of polarity and cohesion. Rendering objects invisible. Imagination all powerful. Mental telegraphy. Reading minds is burglary. Apportation, clairvoyance, clairaudience, and second-sight. Pictures in the Astral Light. Dreams and visions. Apparitions. Real clairvoyance. Inner stimulus makes outer impression. Astral Light the Register of everything. Pages 135 to 146. CHAPTER XVII. PSYCHIC PHENOMENA AND SPIRITUALISM.