C. J. S. THOMPSON M.B.E.

AUTHOR OF

THE MYSTERY OF ALCHEMY AND PHARMACY ” “ THE MYSTERY AND
ROMANCE OF ASTROLOGY ” “ POISONS AND POISONERS ” ETC.

GEORGE G. HARRAP & COMPANY LTD.

LONDON BOMBAY SYDNEY

First published 1932
by George G. Harrap & Co. Ltd.

39-41 Parker Street, Kingsway, London, W.C.2

Printed in Great Britain by Neill & Co. Ltd., Edinburgh

NOTE

The author wishes to acknowledge his in¬
debtedness to the works of M. Pattison
Muir, J. E. Mercer, and A. S. Ridgrove.

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CONTENTS

CHAPTER PAGE