CONTENTS 
CHAPTER IV 
INTELLIGENT BEHAVIOUR 
Tue NATURE oF INTELLIGENT BEHAVIOUR . . « ce e« « 117 
INTELLIGENT BEHAVIOUR IN INSECTS re te 
Some RESULTS OF. JUXPERIMENT . . 65). «ss ew sw 6D 
Tue EvoLurion oF INTELLIGENT BEHAVIOUR . . . . . 155 
THE INFLUENCE OF INTELLIGENCE ON INSTINCT . . . © 168 
CHAPTER V 
SOCIAL BEHAVIOUR 
TMITATION (5: \-c ‘adheres. sau atin eee connie Tike comer 
INTERCOMMUNICATION . . . « A kel Seu eakne ase Loe 
SocorAL COMMUNITIES OF BEES AND en eS pec et are 200 
‘ANIMAL (LRADITION’.. 22 "itm “oath bes ened ea ee etenie mee a cU 
THe Evonurion or SOcIAL BEHAVIOUR. «.« ce e e «© e« 229 
CHAPTER VI 
THE FEELINGS AND EMOTIONS 
ImpuLsE, INTEREST, AND EMOTION « «© + «© « « © eo a0 
PEAY: 55 Stew, Tortie) 2 ape etc a nee mate tenia te Cant RL: 
COURTSHIP? 5 eeaeee alee Ae trace tetas ees Saelh titiy pele TOS 
eae “ 7ASTHETICS” AND ‘“ Biniae” ere L arcuate gatem ven menO 
THE EVOLUTION OF FEELING AND EMOTION « ...- e 282 
CHAPTER VII 
THE EVOLUTION OF ANIMAL BEHAVIOUR 
Pan SP AYSIOLOGIOATMAGSPREGI) Veuve) histeheniciic i. oak emener es Oo 
Tie BIOLOGICAL ASPECT’ 14s. 0.) fie tse) ee, eu sete ei eoUD 
‘RHE ESYOHOLOGICAI (ASPEGT (00) si) [seilel el Mal ey eeetenn OLD 
CONTINUITY IND H:VOLUDION. | Sele en ct ois see, eee eee Bes. 
INDEX O83) ah iif -et kee e te tk Ce er Ha Ne Raia cae nase OSS 
