Copyright © 1977 by Jack P. Hailman

All rights reserved

No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage and retrieval system, without permission in writing from the publisher. The Association of American University Presses' Resolution on Permissions constitutes the only exception to this prohibition.

Published in Canada by Fitzhenry & Whiteside Limited, Don Mills, Ontario

Manufactured in the United States of America

Liburary of Congress Cataloging In Publication Data

Hailman, Jack Parker, 1936-

Optical signals.

Bibliography: p.

Includes index.

1. Animal communication. 2. Color of animals.

I.   Title.

QL776.H34         591.5'9        76-48501

ISBN 0-253-34254-6