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SELECTED TOPICS IN ENVIRONMENTAL BIOLOGY BASED ON THE SESSIONS ON ENVIRONMENTAL BIOLOGY HELD AT THE X X V I INTERNATIONAL CONGRESS OF PHYSIOLOGICAL SCIENCES, NEW DELHI, OCTOBER 20-26, 1974
Edited by BALRAJ BHATIA Present address:
School of Environmental Sciences and School of Life Sciences Jawaharlal Nehru University New Delhi-110057 Director of Research in Basic Sciences Defence Research & Development Organisation Ministry of Defence New Delhi-110011
G. S. CHHINA Associate Professor of Physiology All India Institute of Medical Sciences New Delhi-110016 and
BALDEV SINGH
Emeritus Professor All India Institute of Medical Sciences New Delhi-110016
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W E S T G E R M A N Y Pergamon Press GmbH, 6242 Kronberg-Taunus, Pferdstrasse 1, West Germany Copyright © 1977 B. Bhatia, G. S. Chhina and Baldev Singh All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means : electronic, electrostatic, magnetic tape, mechanical, photocopying, recording or otherwise, without permission in writing from the editors
First edition 1977 Library of Congress Catalog Card No. 76-47082
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ISBN 0 08 021210 7
INTRODUCTION In early 1974, the Scientific Programme Committee of the 26th International Congress of Physiological Sciences had frequent discussions on the choice of topics for symposia and free communications. In one of the earlier meetings, a proposal to include a series of symposia on environmental biology in the programme of the Congress was examined. The proposal was considered appropriate since In