THE CIBA FOUNDATION
for the Promotion of International Co-operation in Medical and Chemical Research
41 PORTLAND PLACE, LONDON, W.1.

Trustees:
THE RIGHT HON. LORD ADRIAN, O.M., F.R.S.
THE RIGHT HON. LORD BEVERIDGE, K.C.B., F.B.A.
THE HON. SIR GEORGE LLOYD-JACOB
MR. RAYMOND NEEDHAM, Q.C.

Director, and Secretary to the Executive Council:
DR. G. E. W. WOLSTENHOLME, O.B.E.

Assistant Secretary:
Miss N. BLAND

Librarian:
MISS JOAN ETHERINGTON

Editorial Assistants:
MISS C. M. O'CONNOR, B.Sc.
MISS E. C. P. MILLAR, A.H.W.C.

ALL RIGHTS RESERVED

This book may not be reproduced by
any means, in whole or in part, with-
out the permission of the Publishers

Published in London by
J. & A. Churchill Ltd.
104 Gloucester Place, W.1

First published 1956

Printed in Great Britain

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