TABLE OF CONTENTS. 



PAGE 



Preface v 



Sources of Illustrations vii 



CHAPTER I. 

 Injury done Staple Crops by Insect Pests ..-.. 1 



CHAPTER II. 

 Structure and Development of Insects « 6 



CHAPTER III. 

 General Farm Practice against Injurious Insects 20 



CHAPTER IV. 

 Beneficial Insects 30 



CHAPTER V. 

 Insects Injurious to Grains and Grasses 44 



CHAPTER VI. 

 Insects Injurious to Wheat 90 



CHAPTER VII. 

 Insects Injurious to Indian Corn 125 



CHAPTER VIII. 



" Weevil " in Grain 155 



ix 



