The mysteries of human nature explained by a new system of nervous physiology : to which is added, a review of the errors of spiritualism, and instructions for developing or resisting the influence by which subjects and mediums are made / by J. Stanley Grimes.
An 1860 Boston mystical-physiology treatise by J. Stanley Grimes, aimed at general readers curious about spiritualism, mediums and the nervous system. Its four plates are anatomical views of the brain seen from below and from above, drawn in fine hatched engraving with lettered reference marks.








































