Table of Contents. 



Page. 



Part I Insects, their Classification and Distribution, 15-32 



Chapter 1 Introductory, 15 



2 Classification and Development, 19 



3 Faunal Characteristics, 27 



4 Benefits and Injuries Caused by Insects, 31 



Part II Systematic List, 



Order Thysanura, 33 



Ephemerida, 37 



Plecoptera, 



Mallophaga 43 



Isoptera, 49 



Corrodentia, 51 



Platyptera, 55 



Neuroptei'a, 59 



Mecoptera, 65 



Trichoptera, 67 



" Odonata, 73 



Thysanoptera, 



Parasitica, 85 



Homoptera, 87 



Hemiptera 131 



Dermoptera, 171 



Orthoptera 173 



Coleoptera, 195 



Lepidoptera, 407 



Hymenoptera, 579 



Siphonoptera, 701 



Diptera, 703 



Index to Localities, 815 



Explanations of Abbreviations and Acknowledgments, 



Illustrations, 



Summary, 850 



Index to Families and Genera, 851 



