xl CONTENTS 
PAGE 
Tse FunctionAL DEVELOPMENT OF THE CEREBRAL 
CortTEX IN DIFFERENT GROUPS OF ANIMALS er) 264: 
Tue PsycuHic DEVELOPMENT OF YouNG ANIMALS AND 
Irs Puystcan (Somatic) CORRELATION, WITH 
SPECIAL REFERENCE TO THE BRAIN : Be N26 
PART IV. 
Discussions on INSTINCT . : 3 spemee Ae 
