Printed in the United States of America

The right of translation is reserved

Published May, 1922

TO THE OFFICERS AND MEN OF THE NEW YORK ZOOLOGICAL PARK, WHOSE SAFETY DEPENDS UPON THEIR KNOWLEDGE OF THE MINDS OF WILD ANIMALS, THIS VOLUME IS DEDICATED AS A TOKEN OF APPRECIATION AND REGARD

CONTENTS

I. A SURVEY OF THE FIELD

I. THE LAY OF THE LAND
II. WILD ANIMAL TEMPERAMENT & INDIVIDUALITY
III. THE LANGUAGE OF ANIMALS
IV. THE MOST INTELLIGENT ANIMALS
V. THE RIGHTS OF WILD ANIMALS

II. MENTAL TRAITS OF WILD ANIMALS

VI. THE BRIGHTEST MINDS AMONG ANIMALS VII. KEEN BIRDS AND DULL MEN VIII. THE MENTAL STATUS OF THE ORANG-UTAN IX. THE MAN-LIKENESS OF THE CHIMPANZEE X. THE TRUE MENTAL STATUS OF THE GORILLA XI. THE MIND OF THE ELEPHANT XII. THE MENTAL AND MORAL TRAITS OF BEARS XIII. MENTAL TRAITS OF A FEW RUMINANTS XIV. MENTAL TRAITS OF A FEW RODENTS XV. THE MENTAL TRAITS OF BIRDS XVI. THE WISDOM OF THE SERPENT XVII. THE TRAINING OF WILD ANIMALS

III. THE HIGHER PASSIONS