132 ORTIIOPTERA. 



instances, fresh green leaves, in others, those that are 

 dry and withered. The wingless species resemble 

 twigs. 



Diaphcromcra fcmorata Say is a wingless species 

 quite common in Ithaca. 



III. Raptoria {Graspers). 

 Mantidae {Soothsayers). 



The Soothsayers, Prophets, or Camel-crickets are 

 readily recognized by the form of their anterior legs,. 

 which are especially adapted for grasping, being large, 

 and furnished with strong spines. These insects do 

 not pursue their prey, but wait patiently until it comes 

 within reach, when they seize it. The position which 

 they assume, while waiting, gives them their popular 

 names. 



Note habits, form of ootheca, etc. of Mantis Car- 

 olina Linn. (3, I., 169). 



IV. CURSORIA {Rtitmers). 

 Bi.ATTARIAE {Cockroaches). 



The Cockroaches are well known pests in every part 

 of the country. They are characterized as follows: 

 Body broadly ovate and depressed ; legs nearly of 

 equal length ; fore wings large, ovate, overlapping ; 

 posterior wings longitudinally folded ; prothorax 

 large, shield-shaped ; antennae long, setaceous, many- 

 jointed. 



Several species are common in fields, under stones ; 

 others are found in houses. They are nocturnal, 

 hiding by day, and leaving their retreats at night, 

 in search of food. Those found in houses are gen- 



