COPYRIGHT 1954 BY CHESTER F. CHAPIN

FIRST PUBLISHED IN BOOK FORM 1955

KING'S CROWN PRESS
is an imprint established by Columbia University Press
for the purpose of making certain scholarly material
available at minimum cost. Toward that end, the pub-
lishers have used standardized formats incorporating
every reasonable economy that does not interfere with
legibility. The author has assumed responsibility for
editorial style and for proofreading.

LIBRARY OF CONGRESS CATALOG CARD NUMBER: 55-5752

PUBLISHED IN GREAT BRITAIN, CANADA, INDIA, AND PAKISTAN
BY GEOFFREY CUMBERLEGE: OXFORD UNIVERSITY PRESS
LONDON, TORONTO, BOMBAY, AND KARACHI

MANUFACTURED IN THE UNITED STATES OF AMERICA

-iv-