Xll CONTENTS 



PAGE 



THE FUNCTIONAL DEVELOPMENT OF THE CEREBRAL 



CORTEX IN DIFFERENT GROUPS OF ANIMALS 264 



THE PSYCHIC DEVELOPMENT OF YOUNG ANIMALS AND 

 ITS PHYSICAL (SOMATIC) CORRELATION, WITH 

 SPECIAL REFERENCE TO THE BRAIN . . 267 



PAKT IV. 



DISCUSSIONS ON INSTINCT . 277 



