precisely the proposition I am putting forward. What caused the difference in the intensity of the magnetic flow was my intention of varying it, so that we come back to mental action as the centre of impulsion from which the etheric waves were generated.

If, then, such a demonstration can be obtained on the plane of purely physical matter, why need we doubt that the same Law will work in the same way in respect of these finer modes of substance and wider ranges of etheric vibrations which, starting from the basis of recognised physical science, the Law of Continuity would lead to by an orderly sequence, and which the occurrence of what for want of a better name we call occult phenomena requires for their explanation?

Night and Day

Before passing on to the more practical generalisations to be drawn from the suggestions contained in this chapter, I may advert to an objection sometimes brought by the sceptical in this matter. They say: "How is it that apparitions are always seen in the dark?" and then they answer their own question by saying it is because superstitious people are nervous in the dark and imagine all sorts of things. Then they laugh and think they have disposed