Knows the state of health of each individual, and judges with certainty of the origin, the nature, and the progress of the most complicated diseases; he prevents their increase, and succeeds in healing them Without' at any time exposing his patient to danger ous effects, or troublesome consequences, whatever be the age, the temperament, and the sex.1 And, in the preface to the same work, he unhesitatingly declares, In Animal Magnetism, Nature presents an unusual method of healing and preserving man kind.