EZRA TOWNSEND CRESSON 



I 4 I 



INDKX 



Andrenidae p. 106. 



Apidae no, 



Bembecidae 96, 



Braconidae 64, 



Chalcididae 73, 



Chrysididae 77, 



Crabronidae 102, 



Cynipidae io, 



Dorylidae 78, 



Eumenidae 103, 



Evaniidae 11, 



Formicidae 78, 



Ichneumonidae. . . 12, 



Larridae 95, 



Masaridae 105, 



Mellinidae 102, 



Mimesidae 102, 



Mutillidae 79, 



Myrmicidae 79. 



Nyssonidae 97, 



Pempredonidae . . . 102, 



Philanthidae 99. 



Pompilidae 87, 



Proctotrupidae. . . . 77. 



Sapygidae 86, 



Scoliidae 85, 



Sphecidae 93, 



Stephanidae 64, 



Tenthredinidae ... 3, 



Trigonalidae 12, 



Uroceridae 9> 



Vespidae 106, 



MEM. AM. EXT. SOC, I. 



