(1) That these apparent sequences presenting the relation of cause and effect are merely chance coincidences. But on carefully applying the doctrine of chances, it is found that the probability that these coincidences of time and place, and the identity of the pictures presented and perceived, occurred by chance, would be only one in a number so large as to make it difficult to represent it in figures, and quite impossible for any mind to comprehend. And that such a coincidence should occur repeatedly in one person's experience is absolutely incredible. (2) The circumstances of distance and situation render it certain that the phantasms could not have been communicated or presented to the percipient through any of the usual channels of communication--by means of the physical organs of sense--even granting that they could be so transferred under favorable conditions. If, then, these cases must be received as authentic and true, and if they cannot be disposed of as chance coincidences, nor explained by any ordinary method or law of production or transmission, then there must be _some other_ method of mental interaction, and mental intercommunication _not usually recognized_, by means of which these pictures or phantasms are produced or transferred, and this unusual method of mental interaction and intercommunication we designate _telepathy_. What the exact method is by which this unusual interaction is accomplished is not fully demonstrated, any more than are the methods of the various interacting forces between the sun and the planets or amongst the planets themselves. The hypothesis of a universal or inter-stellar ether has never been demonstrated; it is only a hypothesis framed because it is necessary in order to explain and support another undemonstrated theory, namely, the vibratory or wave theory of light. We do not know what the substance or force which we call _attraction_ really is. Light has one method of movement and action, sound another, heat another, and electricity another, but most of the propositions concerning these methods of action are only theories or hypotheses having a greater or less degree of probability as the case may be. They were invented to account for certain actual and undeniable phenomena, and they are respected by all men of science or other persons having sufficient knowledge of these different subjects to entitle them to an opinion. The same thing is true of telepathy; its facts must be known and its theories well considered by those who assume to sit in judgment upon them; and when known they are respected. The Copernican theory of the planetary movements was formulated three hundred and fifty years ago; it was one hundred and fifty years later when Newton proposed the first rational theory regarding a force which might explain these motions. For this he was ridiculed and even ostracized by the self-constituted judges of his day. Telepathy has been the subject of