Representatives

For Continental Europe:
BOXERBOOKS, INC., Zurich

For the British Isles:
PRENTICE-HALL INTERNATIONAL, INC., London

For Australasia:
PAUL FLESCH & Co., PTY. LTD., Melbourne

For Canada:
M. G. HURTIG LTD., Edmonton

Published by the Charles E. Tuttle Company, Inc.
of Rutland, Vermont & Tokyo, Japan
with editorial offices at Osaki Shinagawa-ku,
Tokyo 141-0032

© 1956 by Charles E. Tuttle Co., Inc.

All rights reserved

Library of Congress Catalog
Card No. 65-18960

ISBN: 978-1-4629-0414-3 (ebook)

First printing, 1965
Sixth printing, 1971

Typography and book design by
Keiko Chiba

Printed in Japan