22 USEFUL BIRDS. 



ther on, in connection with theii' relations to forestry and 

 agriculture. 



Taken all in all, the relations of birds to the natural world ' 

 are beneficent. Evidently birds are an essential part of 

 nature's great plan. This being the case, they must be 

 serviceable to man also, for man, the animal, is a mere inte- 

 gral part of nature. 



