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 



CEAPTER 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 



