226 



INSECTS AT HOME. 



is a most important part of the wing, and will be presently 

 described more fully. The name Dermaptera is formed from 

 two Greek words, signifying ' skin-winged,' and is given to these 

 insects on accomit of the structure of the elytra. 



As the wings form one of the most important characteristics 

 in these insects, we will proceed to describe them. ' Very few 



XXV 



1 . Pachy tylus migratorius. 2. Thamnotrizon cinerens. a. Forceps of Forficula gigantea, 

 male. b. Do. female. c. Do. Forficula aiiricnlaria, male. d. Do. female. e. Blatta 

 orieiitalis, egg-case. /. Do. section. g. Gryllotalpa, inside of front tibia. h. .Do. outside. 

 i. Do. labium, j. Do. maxilla and palpus. 



persons have the least idea that the Earwig is furnished with 

 wings of remarkable size and beauty, and that, although it is 

 possessed of much speed in running it is qviite as active in the 

 air as on foot. On Plate VII. Fig. 2, the Common Earwig {For- 

 ficula auvicularld) is shown, as it appears with its beautiful 

 wings extended. 



