382 



BOARD OF AGRICULTURE. [Pub. Doc. 



Outdoor Experiments. — Larvm in Sixth Stage. 



10, 



11. 



12, 

 13, 



14. 

 15, 

 16, 



NO OF DATS. 



June 22, 1896. 



Barium 



Arsenate, 



12-150.* 



Barium 



Arsenate, 



15-150.* 



Barium 

 Arsenate, 

 20-150 t 



June 25, 

 1896. 



Barium 

 Arsenate, 

 40-150.t 



* Foliage slightly burned. 



t Foliage badly burned. 



Bakium Arsenate. 



Field Experiments. 



Ten pounds to 150 gallons ; glucose, 1 gallon to 150 ; 50 

 square rods red oak and white oak brush ; larvae in second 

 and third stages. Echo Street, Maiden. 



Sprayed May 24, 1897 : — 

 May i26. No results. 

 May 28. No results. 

 May 29. No results. 

 June 3. Few larvae dead ; foliage burned 



Discontinued. 



Ten pounds to 150 gallons; glucose, 1 gallon to 150; 30 

 square rods white oak and red oak brush ; larvae in second 

 and third stages. Valley Street. Medford. 



