In the Hearts of the Beasts 1 In the Hearts of the Beasts How American Behavioral Scientists Rediscovered the Emotions of Animals ANNE C. ROSE 3 Oxford University Press is a department of the University of Oxford. It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide. Oxford is a registered trade mark of Oxford University Press in the UK and certain other countries. Published in the United States of America by Oxford University Press 198 Madison Avenue, New York, NY 10016, United States of America. © Oxford University Press 2020 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, without the prior permission in writing of Oxford University Press, or as expressly permitted by law, by license, or under terms agreed with the appropriate reproduction rights organization. Inquiries concerning reproduction outside the scope of the above should be sent to the Rights Department, Oxford University Press, at the address above. You must not circulate this work in any other form and you must impose this same condition on any acquirer. Library of Congress Cataloging-in-Publication Data Names: Rose, Anne C., 1950– author. Title: In the hearts of the beasts : how American behavioral scientists rediscovered the emotions of animals / Anne C. Rose. Description: New York, NY : Oxford University Press, [2020] | Includes bibliographical references and index. Identifiers: LCCN 2019038611 (print) | LCCN 2019038612 (ebook) | ISBN 9780190935610 (hardback) | ISBN 9780190935627 (updf) | ISBN 9780190935634 (epub) Subjects: LCSH: Emotions in animals—Research—United States—History. | Animal behavior—Research—United States—History. | Behavioral scientists—United States. Classification: LCC QL785.27 .R67 2020 (print) | LCC QL785.27 (ebook) | DDC 591.5—dc23 LC record available at https://lccn.loc.gov/2019038611 LC ebook record available at https://lccn.loc.gov/2019038612 1 3 5 7 9 8 6 4 2 Printed by Integrated Books International, United States of America For our beagles Contents List of Illustrations ix Preface xi Introduction: Surprising Glimpses into Animal Hearts 1 1. Conversations with the Animals 10 Life under the Microscope 11 Professional Observers 18 Random Feelings 24 2. Animal Appetites Unleashed: World War I 31 Out of the Cage 33 Pugnacity and Other Emotions 37 Why Do They Run? 43 3. The Family Passion 51 Copulation 52 The Family Business 58 Sexless Societies 64 4. The Rediscovery of Pain 71 Doing Harm and Detecting Pain 73 Traveling a Disordered World 78 In Praise of Nature 86 5. Animal Emotions in the Shadows: World War II 92 Genes and Organisms 95 Scientists at a Safe Distance 100 In the Kingdom of the Beasts 106 6. The Animal Mind Reinvented 113 The Animal Found 115 American Empiricism Forgotten 121 The Emotional Animal 127 Appendix 133 Notes 135 Bibliographic Notes 205 Index 209 List of Illustrations 1.1. Edward Thorndike’s puzzle box ca. 1898 15 1.2. Lawrence Cole training a raccoon 1905 17 1.3. Margaret Washburn on the Vassar College campus 21 2.1. Robert Yerkes and the Committee on Psychological Examination of Recruits 1917 38 2.2. William McDougall and family ca. 1931 42 3.1. Margaret Morse Nice receiving an honorary doctorate from Mount Holyoke College 1955 57 3.2. Robert Yerkes and family 1924 59 4.1. C. R. Carpenter and colleagues in Thailand 1937 79 4.2. Carpenter recording primate vocalizations 81 4.3. Carpenter and experimental equipment at the jungle’s edge 81 5.1. T. G. Dobzhansky collecting flies in Brazil 1965 93 5.2. Dobzhansky in his lab with fly jars 1959 96 6.1. Donald Griffin’s photograph of a bat fishing in Trinidad ca. 1960 114 6.2. Griffin’s experimental bat cage 117 6.3. Griffin when he began graduate studies at Harvard 1938 123