WASP EATING 3 PAPER NEST WITH SIDE REMOVED TO SHOW CONSTRUCTION OF COMBS 11 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 SEXMACULATUS IN THE LINDEN ROOTS 99 CRABRO AND HER WHITE MOTHS 103 CRABRO STIRPICOLA 106 BOTTLE ON STEM TO MEASURE WORK OF CRABRO 107 NEST OF C. STIRPICOLA 113 AMMOPHILA SLEEPING IN THE GRASS (AFTER BANKS) 115 NEST OF BEMBEX 125 BEMBEX SPINOLÆ LOOKING OUT OF NEST 131 BEMBEX 136 A CORNER OF THE BEMBEX COLONY 137 NEST OF CERCERIS NIGRESCENS 142 CERCERIS CLYPEATA 143 CERCERIS DESERTA: LOCALITY STUDY BEFORE LEAVING NEST 153 PHILANTHUS PUNCTATUS 157 NEST OF PHILANTHUS PUNCTATUS 163 APHILANTHOPS GATHERING ANTS 169 TRYPOXYLON RUBROCINCTUM 185 MALE TRYPOXYLON AWAITING THE FEMALE 191 TORNADO WASP (POMPILUS QUINQUENOTATUS) DIGGING NEST 197