1. The modern spirit-phenomena have called attention to the facts of a similar character that have taken place at all epochs, and never has history been so thoroughly ransacked in search of those facts, as during the last few years. From the similarity of effects, men and women have inferred the action of one and the same cause. With regard to all extraordinary facts of which the cause is unknown, ignorance has assumed the supernatural nature of the phenomena referred to, and superstition has amplified them by the addition of various absurdities; hence the mass of legends which, for the most part, are a mixture of a small amount of truth with a much larger amount of falsehood.