CONTENTS 



CHAPTER PAGE 



I. COMMUNAL LIFE i , 



II. AMMOPHILA AND HER CATERPILLARS . 15 



III. THE GREAT GOLDEN DIGGER . . . 56^' 



IV. SEVERAL LITTLE WASPS . . . . 72 

 V. CRABRO .97 



VI. AN ISLAND SETTLEMENT . . . 119 



VII. THE BURROWERS 141 



VIII. THE WOOD-BORERS 178 



'IX. THE SPIDER-HUNTERS . > . . . 196 



X. THE ENEMIES OF THE GRASSHOPPER . 248 



XI. WORKERS IN CLAY . . . -265 



XII. SENSE OF DIRECTION .... 275 



XIII. INSTINCT AND INTELLIGENCE . . .292 



