The essential laws of psycho-analysis are now so soundly established that their application to diverse and diverging human types becomes an enlightening and engaging task.

Throughout all history the gifts and graces of the mystic make him recognizable as a being apart, and in our days as a being worth understanding or trying to understand. Prior to the psycho-analytic clue to the unconscious the scientific investigator was usually content to give a nickname to those states of mind which he either disliked or could not understand. Mr. Thouless rightly protests against dismissing the mystic with the label pathological or morbid; thereby we are no whit further on. Writing as he explains in his preface from the standpoint of a Christian modern psychologist, the author does much better than might be expected from the adjectives. He makes no attempt to reconcile religion and science, but