CONTENTS 



CHAPTER PAGE 



I. INTRODUCTION 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 (PLATYPTERA} 103 

 XL THE TRUE BUGS, APHIDES, AND SCALE INSECTS (HEMIP TERA') 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 



(HYMEXOPTERA) 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; STRIC- 

 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 



vii 



