49 



GROUP SALTATORIA. 



(Grasshoppers, Crickets.) 

 Grasshoppers. 



This family can hardly be described as a whole, 

 as certain members possess certain distinctive fea- 

 tures not seen in others, but the roof-like body, 

 biting mouth parts, and strongly developed hind 

 legs are common to all. 



We shall therefore place the Grasshoppers in two 

 divisions or families, and the student can quite 

 easily note the points of resemblance on which the 

 classification is based. 



I. — Short-Horned Grasshoppers. 

 Family Locustidae. 



(Plates 4 and 7.) 



(This family is referred to as Family Acridiidae 

 in most text books.) 

 Characteristics. — 



(a) The antennae are short and composed of less 

 than 30 joints. 



(b) The ovipositor consists of four short flat- 

 tened blades, and is quite inconspicuous. 



(c) The tarsi are three jointed. 



(d) The hearing apparatus is situated on the 



