TABLE OF CONTENTS. 



CHAPTER I. 

 THE STRUCTURE OF IN8ECT8. 



hit, rind anatomy, . 



Abdomen, 



Thorax, . • 



Head, . . • 



Internal anatomy, ■ 



(Esophagus, . 



Crop. . ■ • 



Proventriculus, 



Stomach and gastric coeca, 



Qrinarj tubes, . 



[ntestine, . • • 



Digestion, . • • 



Nervous sj Btem, 

 jf,,ir insects walk and fly, 

 insects breathe, . . 

 The senses ••/ insects, . ■ 



The eyes and sense 



The olfactory orgai 



The gustatory orgs 



The ears and sense of hearing, 



Bounds produced by insects, 



Tactile organs 



<>t" Bight, 



- and sense ol smell, 



!S and sense of taste, 



PAOE 



1-81 



2 



■I 

 6 



— 

 i 



; 



9 

 9 



11 

 11 

 11 



17 

 l'.l 



21 



.»■> 



86 

 81 



CHAPTER 11. 

 GROWTH IV" METAMORPHOSIS ~*- 



Egg-ptoducxng organs, 



The ovaries 



The ovipositor 



