CONTENTS 



INTRODUCTION 



PAGE 



METHODS, EQUIPMENT, ETC 11 



CLASSIFICATION . 25 



PART I 

 The Arthropoda : Segmented Forms with Jointed Legs 



1. ORTHOPTERA 30 



2. DlPTERA 39 



3. HYMENOPTERA 52 



4. LEPIDOPTERA 68 



5. HEMIPTERA 91 



6. COLEOPTERA . 107 



7. NEUROPTERA, EPHEMERIDA, AND ODONATA ...... 116 



8. ARACHNIDA AND MYRIAPODA 125 



9. CRUSTACEA 133 



PART II 

 The Anarthropoda: Invertebrates without Jointed Legs 



10. MOLLUSCA 142 



11. VERMES 150 



12. ECHINODERMATA 161 



13. CCELENTERATA AND PoRIFERA 167 



14. PROTOZOA : ONE-CELLED MICROSCOPIC ANIMALS .... 178 



9 



