284 LANTERN-FLY TRIBE. 



provisions. During the day-time they conceal themselvt 

 in holes and crevices of the floors. They are furnish< 

 with wings, and run about with great agility. 



7. LOCUST TRIBE. 



Most of the species of Locusts feed on plants, a few of 

 them subsist on roots, and some on insects. 



House Cricket. The noise which these insects make 1 

 is well known, and, like that of all the other locusts and! 

 grasshoppers, is produced by the friction or rubbing of 

 the wing-cases against each other. Like the cock-roaches,! 

 they cojfceal themselves during the day, and only issue] 

 from their retreats in the evening and night. They gnaw 

 not only provisions, but clothes ; and wet woollen stock- j 

 ings and linen hung to the fire, have sometimes been much 

 injured by them. 



Migratory Locust. In the Holy Scriptures there is 

 frequent mention of these Locusts, which, in some parts 

 of the East, are occasionally seen in such clouds as almost 

 to cover the whole face of the country. Their ravages 

 are oftentimes so great as to leave scarcely any traces of | 

 verdure in those provinces where they alight. The de- 

 struction committed by an army is not more fatal to the 

 inhabitants than that committed by these insects. A few 

 of them have, at different times, been found in this coun- 

 try, but in no case have they been known in sufficient 

 numbers to do any serious injury. 



8. LANTERN-FLY TRIBE. 



The distinguishing characteristic of the Lantern-flies, is 



