28 



INTRODUCTION TO ZOOLOGY. 



than the grasshopper does. The stylets, also, are or- 

 gans for feeling. 



The ovipositor is very long and slender. The eggs 

 are laid in a crevice or hole already provided. The 

 cricket does not make the hole. 



Tlie cricket belongs to the family Gryllidse. The 

 family is named from the gi'uus Gryllus, of which the 

 two most common species are abbreviatus, with short 

 inner wings, and luctuosus, with long wings. 



Mioro.sc<»i)ic Ob.jects. 



The edges of the spiracles are 

 .seen to be composed of two lips 

 hardened witli chitin. From the 

 edges of the lips, fine hairs grow 

 inward, which serve to prevent 

 dust or other foreign particles en- 

 tering the tracheaj. 



SFIKALl.h; <iK <'K1( KET. 



Behind the stomach will be 

 found a small sj)lierical body, the 

 gizzard. This is composed of two 

 layers, the inner one of which lias 

 six series of leaflike chitinous 

 teeth. 



Gl/.ZAKL) OF CKICKET. 



