INJURY BY PREDACEOUS ANIMALS 



119 



is a wire screen. This protector is made of screen, the meshes 

 of which vary in size from one-eighth to one-half inch, 



Fig. 54.— Tree protected by small 

 mesh poultry netting. (After Ballou, 

 Ohio Agricultural Bulletin No. 208.) 



Fig. 55. — A combination of 

 wire cloth and building paper 

 as a tree protector. (After 

 Ballou, Ohio Agricultural Bul- 

 letin No. 208.) 



but the usual size is one-fourth inch. The wire screen 

 protector is more expensive than the earth mound, but 

 nevertheless it is considerably more effective against all 



