122 NATURE STUDY LESSONS FOR PRIMARY GRADES 



hatched even in the winter time, so industrious is 

 this bird. The best way to drive the bird away is 

 to destroy the nests before the young are hatched. 

 It would be cruel to harm the helpless young birds. 



How could you tell without looking that the Eng- 

 lish sparrows are about? (By the constant chirp.) 

 What is their song? (They have none.) 



What are their good points? Their bad points? 



XVII 



CATERPILLARS 



These numerous little visitors are a very interest- 

 ing study for all grades in our public schools. Few 

 people see in one of these odd little creatures a 

 whole, wonderful life history. This is not the fault 

 of the caterpillar, however, for its manner of life is 

 quite open to the inspection of any one who cares to 

 know of it, and it is certainly a pleasure to be able to 

 say to one of these little folks: "How do you do? 

 I am glad to make your acquaintance, for I knew 

 your mother, whom you never saw. She showed her 

 devotion to her children by making the best prepara- 

 tion possible for satisfying their babyhood wants. 

 For before your life was begun hers was ended ; so 



