172 ARTICULATES: INSECTS. 



shut like a pair of scissors. They are found under 

 stones, and under the bark of old trees, and fly only 

 at night. They are believed by some to crawl into 

 people's ears, but there is probably no good reason for 

 this belief. 



COCKROACHES. 



Cockroaches are found in forests, and some species 

 infest kitchens, store-rooms, and closets, devouring all 

 kinds of food, and even clothes. Figure 324 shows one 

 of the kinds common in this country, although it origi- 

 nated in Asia. 



WALKING-STICKS AND WALKING-LEAVES. 

 The Walking-Sticks are insects which look like dry 

 twigs ; and the Walking-Leaves have wings that look 

 almost precisely like leaves. They belong mostly to 



Fig. 325. Walking-Stick. 



the warm parts of the globe, but several kinds of Walk- 

 ing-Sticks are found in the United States. They are 

 from three or four inches to a foot long. Figure 325 

 shows one of our most common species, about one half 

 its natural size. 



MANTES. 



The Mantes are grasshopper-like insects which have 

 the fore legs suited for seizing and holding prey. They 



