CONTENTS 



PiGE 



Scheme of the Classification adopted in this Book . vii 



CHAPTER I 



Hymenopteua' Petiolata continued — Series 2. Tubulifeea ok Cheysi- 

 DiDAE. — Series 3. Aculeata — General — Classification — Division I. 

 Anthophila or Bees . ...... 1 



CHAPTER II 



Hymenopteua Aculeata continued — Division II. Diplopteka or Wasps 

 — EuMENiDAE, Solitary True "Wasps — Vespidae, Social Wasps — 

 JIasaridae ... . . . . 



CHAPTER III 



Hymenoptera Aculeata continued — Division III. Fossores or 

 FossoEiAL Solitary Wasps — Family Scoliidab or Subterranean 

 Fossores — Family Pompilidae or Runners — Family Sphegidae or 

 Perfect-Stingers . .... 90 



CHAPTER IV 



Hymenoptera Aculeata continued — Division IV. Formicidae or 



Ants . . .131 



CHAPTER V 

 Coleopteea or Beetles — Strepsiptera . ... 184 



CHAPTER VI 

 Lbpidoptera, or Butterflies and Moths . . . . 304 



