CONTENTS. 



CHAPTER I. 



Page 

 Destructive Insects 9 



CHAPTER II. 



Description and Classification of Insects 24 



CHAPTER III. 



The Hessian Fly — Its Origin ; Progress ; Description ; 

 Habits ; Parasites ; and Remedial Measures for its 

 destruction or extirpation 38 



CHAPTER IV. 



The Wheat Midge — Its Origin ; Progress ; Description ; 

 Habits ; Parasites ; and Remedial Measures for its 

 destruction or extirpation 75 



CHAPTER V. 



The "Wheat-Stem Fly, and other Depredators . . . .103 



CHAPTER VI. 

 Rust — Smut — Pepper Brand — Ergot 109 



CHAPTER VII. 



The Weevil— The Wolf— The Angumois Moth, &c. &c. 135 



