CONTENTS 



CHAPTER PAGE 



I. INTRODUCTION ...... i i 



PART I. THE STRUCTURE AND GROWTH OF INSECTS 



II. INSECTS AND THEIR NEAR RELATIVES 5 



III. THE ANATOMY OF INSECTS EXTERNAL 10 



IV. THE ANATOMY OF INSECTS INTERNAL 28 



V. THE GROWTH AND TRANSFORMATIONS OF INSECTS ... 45 



PART II. THE CLASSES OF INSECTS 



VI. THE CLASSIFICATION OF INSECTS .... . : .... 67 



VII. BRISTLETAILS AND SPRINGTAILS (APTERA) 73 



VIII. COCKROACHES, GRASSHOPPERS, KATYDIDS, AND CRICKETS 



(ORTHOPTERA) . .- 76 



IX. THE NERVE-WINGED INSECTS, SCORPION-FLIES, CADDIS- 

 FLIES, MAY-FLIES, STONE-FLIES, AND DRAGON-FLIES . 89 

 X. THE WHITE ANTS, BOOK-LICE, AND BIRD-LICE (PL A rypTEj? A) 103 

 XI. THE TRUE BUGS, APHIDES, AND SCALE INSECTS (HEMIPTERA) 107 

 XII. THE BEETLES (COLEOPTERA) 136 



XIII. THE BUTTERFLIES AND MOTHS (LEPIDOPTERA] . . . . 172 



XIV. THE FLIES, MOSQUITOES, AND MIDGES (DIPTERA} . . . 218 

 XV. THE SAW-FLIES, ICHNEUMONS, WASPS, BEES, AND ANTS 



(HYMENOPTERA) 243 



PART III. LABORATORY EXERCISES 



XVI. THE EXTERNAL ANATOMY OF THE LOCUST 275 



XVII. A COMPARISON OF THE DIFFERENT TYPES OF ARTHROPODA 284 

 XVIII. A COMPARISON OF DIFFERENT TYPES OF INSECTS; STRUC- 

 TURE OF THE BEE, FLY, AND BEETLE . . . . . . 287 



XIX. THE INTERNAL ANATOMY OF THE LOCUST 290 



XX. THE MOUTH-PARTS OF INSECTS .......... 294 



XXI. THE LIFE HISTORY OF INSECTS 298 



XXII. THE CLASSIFICATION OF INSECTS 302 



XXIII. METHODS OF COLLECTING INSECTS 330 



XXIV. METHODS OF PRESERVING AND STUDYING INSECTS . . . 343 



APPENDIX 359 



INDEX AND GLOSSARY 363 



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