-7- 

 Table I 

 Preliminary Tests of Effects of a Phenyl Uercury Compound on Bees 



Number of Dead Bees 



liours 

 2i; 



I^8 

 72 

 96 



120 

 lUU 



168 

 192 

 216 

 2hO 



Cage 1 



(1) 



Cage 2 



(2) 



Cage 3 



(3) 



1 



3 



h 



h- 



S 



6 



6 



7 



7 



8 



2 

 2 

 2 

 2 

 3 



6 

 6 



2 

 2 

 3 

 3 

 3 



li 

 5 



7 



Total dead 8 



Total No. Bees 12li 

 % dead in 10 days 6,I| 



6 

 108 

 5.5 



7 

 135 



5.1 



(1) Bees exposed to contact action of phenyl mercury. 



(2) Bees exposed for 20 minutes to dried residue of phenyl mercury. 



(3) Check (no treatment). 



Table II 



Effects of Various Concentrations of a 

 Phenyl Mercury Compound on Bees 



Number of Dead Bees 

 Concentrations 



H ours 



2h 

 U8 

 72 

 96 

 120 



lUU 

 168 

 192 

 216 

 2U0 



2X 



UX 



Check 











1 

 1 



3 



h 

 k 

 6 



7 



8 





 

 



1 



2 

 3 

 3 



h 

 5 

 7 





 

 

 

 3 

 3 

 3 

 h 

 h 

 6 





 

 1 

 2 

 3 

 h 

 5 

 5 

 6 



7 



Total Dead 

 Total Bees 



116 

 6.9 



7 

 117 

 5.98^ 



6 



U9 

 12.2?^ 



7 

 121 

 5.76 



