This little book has for some time been out Of print, and as a considerable portion Of its contents necessarily is of only more or less ephemeral interest, I had not intended to republish it. I have, however, received so many let ters Of inquiry from correspondents, both here and on the other side of the Atlantic, as to the probable date of a new edition, that it is clear there is still a considerable demand for the book. I hope I am not wrong in interpreting this as a sign that the public at large is becoming more and more penetrated with the conviction that Hypnotism, when it is not a pernicious fraud, is a mere futility which should have no place in the life of.