CONTENTS 



PART I. 



* HIBERNATION AND ALLIED STATES IN ANIMALS . 



PAGE 



T FAGE 



ANIMAL INTELLIGENCE, AND HOW TO STUDY IT 1 



COMPARATIVE PSYCHOLOGY : ITS OBJECTS AND PROBLEMS 17 

 COMPARATIVE PSYCHOLOGY . 01 



ol 



PSYCHOLOGY AND COMPARATIVE PSYCHOLOGY . 46 



PART II. 



SQUIRRELS: THEIR HABITS AND INTELLIGENCE, WITH 

 SPECIAL KEPERENCE TO FEIGNING, WITH AN 

 APPENDIX 



79 



PART III. 



THE PSYCHIC DEVELOPMENT OF YOUNG ANIMALS, AND 



ITS PHYSICAL CORRELATION ... . 113 



