3722. It was observed that such were able to excite from memory whatever I had thought respecting venereal things, even from infancy, and they would so excite the recollection that it could not be resisted, and they even declared the facts with a living voice. Such is their art above others, that not only with man, but even with spirits, they could at the same time excite the memory of their corporeal and venereal things, so that they complained that they were laid open among them; for the efficacy of their sphere is such that it pervades even to the corporeal memory of spirits, which otherwise is never permitted.