of those symbols, however, makes them very transparent to the trained observer.
Fourthly, Freud showed that sexual desires play an enormous part in our unconscious, a part which puritanical hypocrisy has always tried to minimize, if not to ignore entirely.
Finally, Freud established a direct connection between dreams and insanity, between the symbolic visions of our sleep and the symbolic actions of the mentally deranged.
There were, of course, many other observations which Freud made while dissecting the dreams of his patients, but not all of them present as much interest as the foregoing nor were they as revolutionary or likely to wield as much influence on modern psychiatry.
Other explorers have struck the path blazed by Freud and leading into man's unconscious. Jung of Zurich, Adler of Vienna and Kempf of Washington, D. C., have made to the study of the unconscious, contributions which have brought that study into fields which Freud himself never dreamt of invading.
One fact which cannot be too emphatically stated, however, is that but for Freud's wishfulfillment theory of dreams, neither Jung's "energic theory," nor Adler s theory of "organ inferiority and com-