CASSELL & CO LTD
37/38 St. Andrew's Hill, Queen Victoria Street
London, E.C. ₄

and at
31/34 George IV Bridge, Edinburgh; 210 Queen Street, Melbourne;
26/30 Clarence Street, Sydney; 24 Wyndham Street, Auckland, New
Zealand; 1068 Broadview Avenue, Toronto 6; P.O. BOX 275, Cape Town;
P.O. Box 11190, Johannesburg; Haroon Chambers, South Napier Road,
Karachi; 13/14 Ajmeri Gate Extension, New Delhi I; 15 Graham Road,
Ballard Estate, Bombay 1; 17 Chittaranjan Avenue, Calcutta 13; Macdonald
House, Orchard Road, Singapore 9; Avenida 9 de Julho 1138, São Paulo;
Galeria Giiemes, Escritorio 454/59, Florida 165, Buenos Aires; Marne 56,
Mexico 5, D.F.; P.O. Box 959, Accra, Gold Coast; 25 rue Henri Barbusse,
Paris 5e; Kauwlaan 17, The Hague; 25 Ny Strandvej, Espergaerde, Denmark.

FIRST PUBLISHED 1957
Copyright 1957 by C. M. Girdlestone

Printed in Great Britain by
Lowe and Brydone (Priaten) Limited, London, N.W.10

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