

CONTENTS. 



Page 



Introduction 5 



Chapter* i. : General Review of the Animal Kingdom . . . . 7 



Chapter ii. : Soil Organisms and Soil Fertility 12 



Chapter iii. : Structure of Insects 17 



Chapter iv. : Life Histories of Insects 22 



Chapter v. : Sucking Insects 29 



Chapter vi. : Sucking Insects (Concluded) 42 



Chapter vii. : Leaf-feeding Insects 50 



Chapter viii.: Boring and Underground Insects 61 



Chapter ix. : Miscellaneous Pests .... . . 67 



Chapter x. : Principles of Pest Control 74 



Index . 81 



