>!**«' 



CONTENTS 



Page 



Introduction •••••..,... ii 



I. Biology and Morphology, Collection and Illustration . .11 



Habits and Life History ....... 11 



Parasites and Enemies ••..... 15 



General Characters of the Odonata 16 



External Anatomy of the Dragonfly 18 



Body Structure ......... 20 



Adult 20 



Nymph .......... 27 



How to Distinguish the Sexes ...... 29 



Variability in the Odonata 29 



Collecting and Preserving ....... 31 



Illustrations .......... 33 



II. Taxonomy 



Suborder Zygoptera ••••.... 35 



Family Coenagrionidae ....... 35 



Family Agrionidae ........ 108 



Suborder Anisoptera . . . . . . . .115 



Family Petaluridae 1 16 



Family Cordulegasteridae . . . . . .118 



Family Gomphidae ........ 124 



Family Aeshnidae ........ 169 



Family Libellulidae ........ 198 



III. Bibliography .......... 295 



Species of Odonata Treated ....... 297 



Statistics ........... 299 



Collectors' Names ......... 299 



Glossary 300 



Acknowledgments ......... 305 



Index ........... 329 



