qu 



CONTENTS 



PAGE 



TRANSLATOR'S NOTE v 



CHAPTER 



I THE EUMENES I 



II THEODYNERI 28 



III THE PELOP^EUS 60 



IV THE AGENLE; THE PELOP^US' 



VICTUALS 84 



V ABERRATIONS OF INSTINCT . . IO6 



VI THE SWALLOW AND THE SPARROW 133 



VII INSTINCT AND DISCERNMENT . 155 



VIII THE NEST-BUILDING ODYNERUS . 176 



IX INSECT GEOMETRY 2 19 



X THE COMMON WASP .... 240 



xi THE COMMON WASP (continued) 270 



XII THE VOLUCELLA 288 



INDEX 3 1 3 



