The chief purpose of this book is, if fortune helps, to entertain people interested in the kind of narratives here collected. For the sake of orderly arrangement, the stories are classed in different grades, as they advance from the normal and familiar to the undeniably startling. At the same time an account of the current theories of Apparitions is offered, in language as free from technicalities as possible. According to modern opinion every “ghost” is a “hallucination,” a false perception, the perception of something which is not present.
tions, thoughts, and emotions. But dreams, being familiar, are credible; it is admitted that people do dream; we reach the less credible as we advance to the less familiar. For, if we think for a moment, the alleged events of ghostdom--apparitions of all sorts--are precisely identical with the every-night phenomena of dreaming, except for the avowed element of sleep in dreams.
In dreams, time and space are annihilated, and two severed lovers may be made happy. In dreams, amidst a grotesque confusion of things remembered and things forgot, we see the events of the past (I have been at Culloden fight and at the siege of Troy); we are present in places remote; we behold the absent; we converse with the dead, and we may even (let us say by chance coincidence) forecast the future. All these things, except the last, are familiar to everybody who dreams. It is also certain that similar, but yet more vivid, false experiences may be produced, at the word of the hypnotiser, in persons under the hypnotic