------------------------------------------------------------------------ Transcriber’s Note: This version of the text cannot represent certain typographical effects. Italics are delimited with the ‘_’ character as _italic_. Footnotes have been moved to follow the Lecture in which they are referenced. Minor errors, attributable to the printer, have been corrected. Please see the transcriber’s note at the end of this text for details regarding the handling of any textual issues encountered during its preparation. THE UNCONSCIOUS [Illustration] THE MACMILLAN COMPANY NEW YORK · BOSTON · CHICAGO DALLAS · ATLANTA · SAN FRANCISCO MACMILLAN & CO., LIMITED LONDON · BOMBAY · CALCUTTA MELBOURNE THE MACMILLAN CO. OF CANADA, LTD. TORONTO THE UNCONSCIOUS THE FUNDAMENTALS OF HUMAN PERSONALITY NORMAL AND ABNORMAL BY MORTON PRINCE, M.D., LL.D. PROFESSOR (EMERITUS) OF DISEASES OF THE NERVOUS SYSTEM, TUFTS COLLEGE MEDICAL SCHOOL; CONSULTING PHYSICIAN TO THE BOSTON CITY HOSPITAL SECOND EDITION REVISED =New York= THE MACMILLAN COMPANY 1921 COPYRIGHT, 1914 and 1921 BY THE MACMILLAN COMPANY ------- Set up and electrotyped. Published March, 1914. New Edition, June, 1921. PREFACE