“I think, as I told you before, that the forces of a powerful personality may still persist after death in the line of their original momentum,” replied the doctor; “and that strong thoughts and purposes can still react upon suitably prepared brains long after their originators have passed away.

“If you knew anything of magic,” he pursued, “you would know that thought is dynamic, and that it may call into existence forms and pictures that may well exist for hundreds of years. For, not far removed from the region of our human life is another region where float the waste and drift of all the centuries, the limbo of the shells of the dead; a densely populated region crammed with horror and abomination of all descriptions, and sometimes galvanised into active life again by the will of a trained manipulator, a mind versed in the practices of lower magic. That this woman understood its vile commerce, I am persuaded, and the forces she set going during her life have simply been accumulating ever since, and would have continued to do so had they not been drawn down upon yourself, and afterwards discharged and satisfied through me.