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 ISOPODA, 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 



XXI. Order COLEOPTERA, Beetles 494 



XXII. Order HYMENOPTERA Bees, Wasps, Ants, and Others.. 599 



INDEX AND GLOSSARY 679 



ix 



