Copyright, 1954 



BY 



John Wiley & Sons, Inc. 



All Rights Reserved 



This book or any part thereof must not 

 be reproduced in any form without 

 the written permission of the pubUsher. 



Contribution No. 704 from the Woods Hole Oceanographic Institution 

 Library of Congress Catalog Card Number: 54-12205 



PRINTED IN THE UNITED STATES OF AMERICA 



