In the preface to this, the third edition of his work, the author says that the increased size of the present volume is due to the wish many persons have expressed for a book dealing more fully with the theory of psycho-therapeutics. It is exactly here that we fear the reader will be disappointed, and through no fault of the writer, as he has labored diligently in gathering material from the by no means barren literature. He has succeeded admirably in presenting his results in terse readable English. Notwithstanding all the labor that has been given to the elucidation of these phenomena the fact remains that such terms as the physiology and psychology of hypnotism, hypnotic suggestion, and therapeutic suggestion are as etherial as the alleged phenomena of spiritualism and just about as hard to define.
At the time the lamented Dr. Beard visited England and exhibited some hypnotic phenomena,