APRIL 73 



time. He is his friend in the spring and 

 his enemy in the fall. In the spring he eats 

 insects and in the fall he eats grain. In the 

 spring the colonies are scattered and the 

 farmers reap the benefits of this good work. 

 In the fall the colonies reunite into a great 

 horde, and the bad work is chiefly detri- 

 mental to a few farmers in each locality. 

 That these should be his uncompromising 

 foes is not unnatural. 



