William B. Carpenter 
Mesmerism, Spiritualism, &C 
Historically Scientifically Considered; Being Two Lectures Delivered at the London Institution

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Rience does not furnish the rationale. And while this very continuity is maintained by some to be an evidence of the real existence of such agencies, it will be my purpose to show you that it proves nothing more than the wide-spread diffusion, alike among minds of the highest and of the lowest culture, of certain tendencies to thought, which have either created ideal marvels possessing no foundation what.