STRAIGHT-WINGED INSECTS. HJ7 



III. Order. Orthoptera. 



All Insects which have transversely moveable jaws, 

 membraneous wings, (a few have no wings,) six legs, 

 and undergo no metamorphosis, belong to the Order, 

 Orthoptera, which signifies in English, straight-winged. 

 Among these, are Grasshoppers, Walking-Leaves, Crick- 

 ets, Cockroaches, Ear- Wigs, Sooth Sayers, Walking- 

 Sticks, etc. 



Grasshoppers 



Have been divided, by Linnaeus, into two families, 

 viz. : GriTlidaa, and Locustida?. 



The Grillidse, or those properly called Grasshoppers, 

 dwell, as their name indicates, upon the ground, in 

 meadows and fields. They have short thread-like feel- 

 ers, and their females are destitute of an ovipositor, 

 but both sexes, when flying, produce a stridulating 

 sound by rubbing their saw-like hind legs upon their 

 parchment-like wings. 



The Locustida), or Walking-Leaves, have very long 

 filiform antenns. The females are provided with a 

 long sword-like ovipositor, and the males are furnish- 

 ed with a spot resembling an eye of glass at the base 

 of each wing-cover, which they rub together, and thus 



produce their peculiar sound. Their wing-covers, when 

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