71 



364. HELLEBORE. 



The powder is sifted on alone or mixed 1 part to 20 of flour. With 1 

 gal. water k lb. is mixed, as a liquid to be sprayed. 



365. LIME. 



The dry lime is sifted on, or, as whitewash, is applied by a brush. 



366. LYE. 



In 1 gal. water 1 lb. of concentrated lye is dissolved as a solution to 

 spray on trees. 



367. NAPHTHALINE. 



Used in the ground around roots that are attacked by insects and in 

 cabinets to prevent pests. 



368. OIL OF COTTON. 

 Rubbed on domestic animals against j)arasites. 



369. OIL OF TURPENTINE. 

 Applied on the bark of trees and on live-stock suffering from parasites. 



370. PETROLEUM— Crude. 



371. PETROLEUM— Refined. 



Of the Crude or Refined 2 tablespoonfuls in a bucket of water are 

 mixed and constantly stirred while being sprayed. 



The following emulsions are preferable: 



372. PETROLEUM— Milk Emulsion. 



To one i)art milk add two parts of kerosene and churn by a force- 

 pump or other agitator. The butter-like emulsion is diluted ad libitum 

 with water. For fuller particulars see late Reports and Bulletin.- of the 

 Entomologist. 



373. PETROLEUM — Soap Emulsion. 



In 1 gal. hot water } lb. of whale-oil soap is dissolved. This, instead 

 of milk, is mixed to an emulsion with kerosene, in the same manner and 

 proportions as just stated. 



