This is a book that is not likely to convert anyone to the author's way of thinking, if he does not already share it. He is as uncompromising an opponent of spiritism as Edward Clodd, Stanley Hall and Mercier, though without the fierceness of the last named. There is little in the book of the impartiality evinced by another adverse critic, Ivor Tuckett, in his 'Evidence of the Supernatural'.

The author's thesis is the thorough-going identity of the beliefs held by modern-day spiritists, and most of their technique, with those obtaining among practically all primitive races. The facts are certainly indubitable and the author marshalls them with considerable skill. The