LIST OF ILLUSTRATIONS 



PAGE 



PELOP^EUS ON NEST, GROUP OF FINISHED CELLS, AND 



TUBE OPENED TO SHOW SPIDERS (page 266) Frontispiece 



WASP EATING ........ 3 



PAPER NEST WITH SIDE REMOVED TO SHOW CON- 

 STRUCTION OF COMBS . . . . . ii 



AMMOPHILA URNARIA CARRYING CATERPILLAR TO 



NEST ........ 19 



AMMOPHILA URNARIA STINGING CATERPILLAR . 27 



CATERPILLAR WITH EGG OF AMMOPHILA URNARIA 29 



NEST OF AMMOPHILA 31 



AMMOPHILA URNARIA USING STONE TO POUND DOWN 



EARTH OVER NEST ..... 39 



THOROUGH LOCALITY STUDY BY SPHEX . . 59 

 HASTY LOCALITY STUDY BY SPHEX . . .61 



SPHEX DRAGGING GRASSHOPPER TO HER NEST . 63 



NEST OF SPHEX 69 



OXYBELUS QUADRINOTATUS ..... 75 



NEST OF OXYBELUS ...... 79 



APORUS FASCIATUS ...... 81 



WASP HOMES IN THE LOG CABIN .... 85 



NEST OF PERENNIS 89 



NEST OF ANORMIS . . . . . . 91 



