THE LEAD ARSENATES. 



Apple — Results of Spraying with Pure Acid Lead 

 Arsenate. 



AB, safety line. 



Fig. 1. — Clear weather. 



fs 



SO 



ES 





76- 



6S- 



H u miditjj. 

 CO 70 



fO 



90 



Fig. 2. — Cloudy weather. 



