CHAPTER I.
INTRODUCTORY.
PAGE
Necessity of a Working Hypothesis.--The Newtonian Hypothesis.--The Atomic Theory.--A Psychological Hypothesis necessary.--Theories of Hypnotism and Mesmerism.--Spiritism.--Mental Therapeutics.--LiƩbault's Law of Suggestion.--Duality of Mind.--A Working Hypothesis for Psychology formulated.--Its Three Terms 19