CONTENTS* 



PAGE 



Introduction 5" 



Faunal districts 7 



Class Insecta 11 



Thysanura . 1 1 



Collembola 12 



Orthoptera : 17 



Isoptera 38 



Neuroptera 38 



Ephemerida 42 



Odonata 45 



Plecoptera 57 



Corrodentia 60 



Mallophaga 63 



Thysanoptera 66 



Anoplura % 73 



Hemiptera 74 



Homoptera 142 



Dermaptera . , 202 



Coleoptera 203 



Strepsiptera . 521 



Mecoptera . 521 



Trichoptera 522 



Lepidoptera 532 



Diptera 687 



Siphonaptera 868 



Hymenoptera 870 



Class Arachnida 1034 



Araneae 1034 



Opiliones , 1074 



Acarina (Eriophyidae) 1076 



Class Diplopoda * 1079 



Chilognatha 1079 



Class Chilopoda 1081 



Schizotarsia 1081 



Anamorpha 1081 



Epimorpha 1082 



Class Myrientomata 1083 



Protura 1083 



List of orders, and number of families, genera, and species recorded 1084 



List of the more important collecting stations not in the United States Official 



Postal Guide , 1085 



List of cooperators and authorities 1088 



Index of orders, families, and genera 1093 



* The sequence of orders, and, unless otherwise indicated, of families, is that followed by Corn- 

 stock in An Introduction to Entomology. 



