This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: C. Scribner's sons in 1922 in 272 pages; Subjects: Mental physiology and hygiene; Psychology; Mental health; Sanity; Medical / Mental Health; Medical / Psychiatry / General; Psychology / General; Psychology / Mental Illness; Psychology / Reference; Psychology / Mental Health;