First published in 1983
First published as a paperback in 1985
by Routledge & Kegan Paul plc
14 Leicester Square, London WC2H 7PH
9 Park Street, Boston, Mass. 02108, USA,
464 St Kilda Road, Melbourne,
Victoria 3004, Australia and
Broadway House, Newtown Road,
Henley-on-Thames, Oxon RG9 1EN
Set in Baskerville by
Thomson Press (India) Ltd, New Delhi
and printed in Great Britain by
Unwin Brothers Ltd
Old Woking, Surrey
© Stephen Walker 1983
No part of this book may be reproduced in
any form without permission from the
publisher, except for the quotation of brief
passages in criticism

Library of Congress Cataloging in Publication Data

Walker, Stephen F.
Animal thought.
(International library of psychology)
Bibliography:        p.
Includes index.

1.   Animal intelligence. I. Title.
II.    Series.    [DNLM:   1.  Animals,   2.   Psychology,
Comparative.    QL 785 156 W184a]
QL785. W144     156      825210

ISBN 0-7100-9037-4(c)      AACR2
ISBN 0-7102-0707-7(p)