THE LEAD ARSENATES. 



Apple — Results op Spraying with Pure Acid Lead 

 Arsenate. 



AB, safety line. 



HuTTiiditu. 



Fig. 1. — Clear weather. 



so_ 



"6 6 tests. 



isV 



Ha miditjj. 



70 ^0 



Gt) 



^ 

 o 



o 



N .t 



c^x 



o 



1B 



Fig. 2. — Cloudy weather. 



