10 



Table II. — Showing Time of Gathering and the Number of Dead Bees 

 Taken From the Sprayed and Dusted Trees 



Time ol gathering 



May 7—8:00 A. M. 

 May 7—7:30 P. M. 

 May 8—8:00 A. M. 

 May 8—3:00 P. M. 

 May 9— 8:00 A. M. 

 May 9—7:00 P. M. 



Mortality 



Table III. — Showing Positive and Negative Tests for Arsenic Obtained 



From the Examination of 210 Bees From the Sprayed Tree. 



Each Bee Is Represented by * or o, the * Indicating a 



Positive Test and the o a Negative Test 



