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CONTENTS. 
CHAPTER PAGE 
I. Zoological Classification and Zoological Nomenclature... i 
II. Insects and their Near Relatives: Branch Arthropoda ; 
Class Crustacea, Crabs, Lobsters, Crayfish, and 
Others; Class Arachnida, Spiders, Scorpions, Mites, 
and Others; and Class Myriapoda, Centipedes and 
Millipedes. 9 
III. Class Hexapoda or Insects: Characteristics of the Class; 
Metamorphoses of Insects; External Anatomy of In¬ 
sects; Internal Anatomy of Insects; Table for Deter¬ 
mining the Orders of Insects; List of the Orders of 
Insects. 48 
IV. Order Thysanura, Bristle-tails, Spring-tails, Fish- 
moths, and Others. 82 
V. Order Ephemerida, May-flies. 86 
VI. Order Odonata, Dragon-flies. 89 
VII. Order Plecoptera, Stone-flies. 93 
VIII. Order ISOPTERA, Termites or White-ants. 95 
IX. Order CORRODENTIA, Book-lice and Others. 98 
X. Order Mallophaga, Bird-lice. 100 
XI. Order Dermaptera Earwigs. 102 
XII. Order Orthoptera, Cockroaches, Crickets, Grasshop¬ 
pers, Locusts, and Others. 104 
XIII. Order Physopoda, Thrips. 119 
XIV. Order Hemiptera, Bugs, Plant-lice, Bark-lice, and 
Others. 121 
XV. Order Neuroptera, the Dobson and Others. 175 
XVI. Order MecapterA, Scorpion-flies . 184 
XVII. Order Trichoptera. Caddice-flies . 186 
XVIII. Order Lepidoptera, Moths, Skippers, and Butterflies.. 191 
XIX. Order Diptera, Flies. 413 
XX. Order Siphonaptera, Fleas . 49 ° 
XXL Order Coleoptera, Beetles. 494 
XXII. Order Hymenoptera Bees, Wasps, Ants, and Others.. 599 
Index and Glossary . — 679 
ix 
