CONTENTS 
PARTE vl 
ANIMAL INTELLIGENCE, AND HOW TO Stupy IT 
CoMPARATIVE PsycHoLoay: ITs OBJECTS AND PROBLEMS 
CoMPARATIVE PSYCHOLOGY . 
PsyCHOLOGY AND COMPARATIVE PsYCHOLOGY 
PART LE 
SquirRELS: THEIR Hasits AND INTELLIGENCE, WITH 
SPECIAL REFERENCE TO FEIGNING, WITH AN 
APPENDIX 
HIBERNATION AND ALLIED STATES IN ANIMALS. 
PART SELL 
Tue Psycuic DEVELOPMENT OF YouNG ANIMALS, AND 
Its PHysicaL CoRRELATION 
PAGE 
31 
46 
52 
79 
113 
