30 
THE GRASSHOPPER 
hoppers they cause a serious loss of crops. The plague of 
locusts mentioned in the Bible refers to grasshoppers. In 
some of the Western States years ago the grasshoppers 
came in great swarms year after year and destroyed an¬ 
nually crops estimated to be worth $200,000,000. But 
ordinarily, owing to the activities of their natural enemies, 
the number of grasshoppers does not become alarming. 
Figure 15. — Modern Spraying Outfit. 
This invention enables us to destroy harmful insects on our largest 
trees. There are many different kinds. Every city should have one. 
The farmer who raises apples, pears, and other fruits has to spray his 
trees every season, if he expects to have fine fruit to market. 
