TABLE OF CONTENTS. 



CHAPTER I. 



Page. 



Ammophila and her Caterpillars .... 6 



CHAPTER 11. 

 The Great Golden Digger (Sphex ichneumonea) . . 33 



CHAPTER III. 



The Inhabitants of an Old Stump {Rhopalum pedicella- 



tum and Stigmas americanus) ..... 42 



CHAPTER IV. • 

 The Toilers of the Night (Crabro stirpicola) . . 46 



CHAPTER V. 

 Two Spider Hunters (Salius cotiicus and Aporus fasci- 



ains) ......... 53 



CHAPTER VI. 

 An Island Settlement (Bembex spinolae) ... 58 



CHAPTER VII. 

 The Little Flycatcher [Oxybelus qnadrinotatus) . . 73 



CHAPTER VIII. 

 The Wood-Borers (Trypoxylon albopilosum and Trypoxy- 



lon rubrocmctutn) . . . . . . . 77 



CHAPTER IX. 



The Bug-Hunters [Asiaia unicolor and Astata bicolor) . 88 



