Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Copyright 1965 by William C. Pratt. All rights re served. Printed in the u.s.a. No part of this book may be reproduced in any form whatsoever without permission in writing from the publishers, except by a reviewer who wishes to quote brief passages in connection with a review written for inclusion in a magazine, newspaper or broad ast. First Edition.