Clairvoyance and thought-transference

"Before entering upon the subject of "CLAIRVOYANCE AND THOUGHT - TRANSFERENCE"-or rather, range of interesting subjects grouped under this title-it is proposed to deal briefly with the "Key" to the whole which is to be found in the revelations of man's inner life, soul-life and character, presented by Somnambulism and Trance, whether natural or induced."