106 INJURIOUS INSECTS OF 1903. 



which pour 3 to 5 tablespoonfuls of Carbon Bisulfid. 

 Cover the ant hill with an old blanket or burlap, prefer- 

 ably moist, to keep in the fumes, and leave twenty-four 

 hours. Sometimes more than one treatment is necessary. 



For the Buffalo Beetle — A very strong percentage of 

 the Carbon Bisulfid must be used to enable the fumes to 

 penetrate into the body of the rugs, carpets, etc., where 

 the insects are. 



For Insects in Stored Grain — Use one pound of Car- 

 bon Bisulfid to each one thousand cubic feet. Place the 

 liquid in a shallow dish on the top of the grain ; close the 

 bin tightly and leave for twenty-four hours. 



CAUTION : Keep lights of all kinds away when 

 using. 



15. Copper Acetate — 



This fungicide, and the following one, may be used 

 instead of the Bordeaux Mixture, when the fruit or plants 

 are nearly ready for market. They are also recommended 

 to be used against fruit rot. 



Use 6 ounces Copper Ace'tate (Diabasic Acetate), 

 powdered form, in 50 gallons of water. First make a 

 paste with water and then dilute to the required strength. 

 (Mass. Bui. 80, 1902.) 



16. Copper Carbonate — 



Use one pound of Copper Carbonate in 40 gallons of 

 water. Mix the Copper Carbonate with water to make a 

 paste, then dilute to the required strength. (Del. Bui. 29, 

 1895-) 



17. Copper Sulphate — (Blue Vitriol or Blue Stone.) 



A solution of Copper Sulphate is used as a remedy 

 for grain smuts. (See also Formalin, Corrosive Subli- 

 mate.) It may also be used as a spray in place of the 

 Bordeaux Mixture. 



For dormant trees use : 



Copper Sulphate, i pound ; 

 Water, 25 gallons. 



