101 



804. KEROSENE— Whale-Oil Soap Emulsion. 



Iii 1 gallon boiling hot water lialf* ponnd of whale-oil soap is dis- 

 solved. To this is added 2 gallons of kerosene and the whole is churned 

 vigorously with force-pump and spray nozzle until a creamy emulsion 

 results which will adhere without oiliness to glass. In regions in 

 which the water is strongly impregnated with lime or magnesium, rain 

 water or water previously broken with lye should be used. 



805. KEROSENE MILK EMULSION. 



To one part sour milk add two parts kerosene and churn by a force 

 pump or other agitator. A butter-like emulsion results in from three 

 to live minutes, and is diluted ad libitum with water. For fuller par- 

 ticulars see late reports and bulletins of the Entomologist. 



806. KEROSENE— Bar-Soap Emulsion. 



Same as above, except common bar soap is used in place of whale-oil 

 soap. 



807. GASOLINE. 

 Used ou domestic animals against insect pests. 



808. BENZINE. 



This is used in cabinets or applied to household goods to destroy 

 vermin. Enough is applied to make its odor as strong as possible. 



809. TRAIN OIL. 

 Is used the same as fish oil. 



810. CREOSOTE. 



Used like carbolic acid. 



811. SOAP— Soft. 



This is rubbed on the trunks of trees to protect from, or to kill, in- 

 sects. As a strong suds may also be used as a spray. 



812. SOAP— Common Bar. 



Used the same as soft soap, and as suds. 



813. SOAP— WHALE OIL. 

 Used the same as soft soap, but better. 



814. FISH-OIL SOAP. 

 Is used in solution against plant lice. 



Hirsch'e crj stal potash lye pounds. . l 



Pfah (,il pints 



Soft water gallons . . 9 



Dissolve the lye in the water, bring to a boil, add the oil. eontinne 

 the boiling two hours. For use dissolve l pound ^\' the soap in 5 to 10 

 gallons of water and apply as a spray. 



