Psychology of the Unconscious1: A Study of the Transformations and Symbolisms of the Libido. A Contribution to the History of the Evolution of Thought. By Dr. C. G. Jung, of the University of Zurich. Authorized Translation, with Introduction, by Beatrice M. Hinkle, M.D. Pub. by Moffat, Yard and Vo., New York. 1916. Pp.  iv + 566. Price $4.

This is a translation of the author's Wandlungen und Symbole der Libido which originally appeared in the Jahrbuch fur psychoanalytische und psychopathologische Forschungen. Its forthcoming has been anxiously awaited for some time, and now that it is here it fulfills our expectations. It is a work which is fundamental in the history and development of the psychoanalytic movement and, to the translator, Dr. Hinkle, we acknowledge our grateful indebtedness. She has written a very excellent introduction but more than this she has rendered a difficult work into English without leaving any traces in the translation of its foreign origin.

The work is an effort to reach, by analysis, to the underlying psychological necessities which have been responsible, through the ages, for the creation of myths, superstitions, folk-lore, fairy tales, mystic cults and artistic phantasies. This elaboration and analysis of the psychology of culture is made to center about the so-called Miller phantasies. A Miss Frank Miller published in Vol. V of the Archives de Psychologie, 1906, an article under the title “Quelque faits d'imagination creatrice subconsciente.” In this article she recounts fragments of her experience while traveling, gives her feelings and some bits of dreams, and incorporates also some short poems. It is on what the author is able, so to speak, to read between the lines of this communication, that the material is obtained which is elaborated into an essay on the evolution of thought. The Miller phantasies are the threads that hold the structure together and give the whole presentation unity.

The book is divided in two parts. After a short introduction there follows a chapter “concerning the two kinds of thinking,” following which are three chapters devoted to a discussion of the material of the Miller phantasies. It is in the second part of the book that the whole history of culture is passed in review and from which is elaborated the fundamental principles of activity of t