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 Dk.M.iiiNc GRASSHOPPER TO HER NEST . 63 



NEST OF SPHEX 69 



OXYttELUS QUADRINOTATUS 75 



NEST OF OXYBELUS 79 



APORUS FASCIATUS 81 



WASP HOMES IN THE LOG CABIN .... 85 



NEST OF PERENNIS 89 



NEST OF ANORMI>< 91 



