For several years I have been aware that Rev. Dr. John L. Nevius of Chefoo, China, was giving careful attention to certain strange psychical phenomena which were presented from time to time in the interior districts of the Shantung Province. I became more interested in the prog ress of his inquiries from the fact that upon an acquaintance continued for more than a quarter of a century I regarded him as a man peculiarly fitted to examine so intricate and difficult a sub ject.