I Is Psychical Research a Science? 1 II Investigating Psychical Phenomena with Scientific Instruments 82 III Life: and Its Interpretation 93 IV The Human Will Is a Physical Energy (_An Instrument which Proves It_) 110 V Modern Dissection of the Human Mind 138 VI Psychic Photography (_New Experiments_) 157 VII Hallucination and the Physical Phenomena of Spiritualism 188 VIII The Problems of Telepathy 210 IX The Uses and Abuses of Mind Cure 237 X The Psychology of the Ouija Board 247 XI Witchcraft: Its Facts and Follies 261 XII Scientific Truths Contained in Fairy Stories 277 LIST OF ILLUSTRATIONS The "Will Board" _Frontispiece_ PAGE FACING 1. "Psychic Photograph" 158 2. "Psychic Photograph" 158 3. "Thought Photograph" 170 4. "Psychic Photograph" 176 5. "Psychic Photograph" 176 6. "Psychic Photograph" 178 7. "Psychic Photograph" 178 8. "Psychic Photograph" 180 9. "Psychic Photograph" 180 10. "Psychic Photograph" 182 11. "Psychic Photograph" 182 12. "Psychic Photograph" 182 13. "Photograph of the Soul" 184 14. "Photograph of the Soul" 184 THE PROBLEMS OF PSYCHICAL RESEARCH CHAPTER I IS PSYCHICAL RESEARCH A SCIENCE? Is Psychical Research a Science? It seems to me that the answer to this question must be somewhat as follows: If the phenomena be true, Yes; if not, No! If _one_ single prophecy, clairvoyant vision, telepathic impulse, or mediumistic message be true--if veritable supernormal information be thereby conveyed--then psychical research is a science, and illimitable avenues are opened up for further research and speculation.