chapter ii

clearly indicate, systems of modern theosophy have had a marked influence in this respect; but it is impossible for us to-day to say what parts of the Fairy-Faith are purely Celtic and what are not so, because comparative studies prove that mysticism is fundamentally the same in all ages and among all peoples. It is psychologically true, also, that there must always exist some sort of affinity between two sets of thought in order for them to coalesce. Hence, if modern mysticism (derived from Oriental or other sources) has, as we believe, affected Celtic mysticism as handed down from the dim druidic ages, it is merely because the two occupy a common psychical territory. We must therefore be content to examine scientifically the Fairy-Faith as it now presents itself.

The analysis of evidence in