COPYRIGHT © 1966 BY BOLLINGEN FOUNDATION
PUBLISHED BY PRINCETON UNIVERSITY PRESS

First Princeton/Bollingen Paperback Printing, 1971

THE HARDCOVER EDITION IS PUBLISHED IN THE UNITED STATES OF AMERICA BY PRINCETON UNIVERSITY PRESS AND IN ENGLAND BY ROUTLEDGE AND KEGAN PAUL, LTD. IN THE AMERICAN EDITION, ALL THE VOLUMES COMPRISING THE COLLECTED WORKS CONSTITUTE NUMBER XX IN BOLLINGEN SERIES, SPONSORED BY BOLLINGEN FOUNDATION. THE PRESENT VOLUME IS NUMBER 15 OF THE COLLECTED WORKS AND WAS THE FOURTEENTH TO APPEAR.

LIBRARY OF CONGRESS CATALOGUE CARD NUMBER: 75-156

ISBN 0-691-01775-1 (paperback edn.)

ISBN 0-691-09773-9 (hardcover edn.)

MANUFACTURED IN THE U. S. A.