ON DREAMS BY PROF. DR. SIGM. FREUD ONLY AUTHORISED ENGLISH TRANSLATION BY M. D. EDER FROM THE SECOND GERMAN EDITION WITH AN INTRODUCTION BY W. LESLIE MACKENZIE, M.A., M.D., LL.D. MEDICAL MEMBER OF THE LOCAL GOVERNMENT BOARD FOR SCOTLAND; LATE FERGUSON SCHOLAR IN PHILOSOPHY; LATE EXAMINER IN MENTAL PHILOSOPHY, UNIVERSITY OF ABERDEEN [Illustration: AGE QUOD AGIS] NEW YORK REBMAN COMPANY HERALD SQUARE BUILDING 141–145 WEST 36TH STREET _All rights reserved_ CONTENTS PAGE I. THE SCIENTIFIC AND POPULAR VIEWS OF DREAMS CONTRASTED 1 II. DREAMS HAVE A MEANING—ANALYSIS OF A DREAM—MANIFEST AND LATENT CONTENT OF DREAMS 6 III. THE DREAM AS REALISATION OF UNFULFILLED DESIRES—INFANTILE TYPE OF DREAMS 21 IV. THE DREAM-MECHANISM—CONDENSATION—DRAMATISATION 33 V. THE DREAM-MECHANISM CONTINUED—DISPLACEMENT—TRANSVALUATION OF ALL PSYCHICAL VALUES 45 VI. THE DREAM-MECHANISM CONTINUED—THE EGO IN THE DREAM 54 VII. THE DREAM-MECHANISM CONTINUED—REGARD FOR INTELLIGIBILITY 68 VIII. RELATION OF DREAMS TO OTHER UNCONSCIOUS MENTAL PROCESSES—REPRESSION 78 IX. THREE CLASSES OF DREAMS 84 X. WHY THE DREAM DISGUISES THE DESIRES—THE CENSORSHIP 88 XI. THE DREAM THE GUARDIAN OF SLEEP 92 XII. DREAM SYMBOLISM—MYTHS AND FOLKLORE 100 XIII. ELEMENTS COMMON TO NORMAL AND ABNORMAL PSYCHOLOGY 107 INTRODUCTION “The interpretation of dreams,” says Professor Freud in one place, “is the royal road to a knowledge of the part the unconscious plays in the mental life.”