102 



815. CARBOLIC SOAP. 



Any of the above soaps impregnated with carbolic acid. Used on 

 domestic animals against parasite? 



58. 



816. RESIN SOAP. 



Is used against scale insects and plant lice, but is scarcely equal to 

 kerosene emulsion. 



Caustic soda pounds. . 1 



Resin do 2 



Tallow do ... . 1 



Dissolve the caustic soda in \\ gallons water. In this dissolve the 

 resin and tallow with moderate heat, adding water to make 22 pints of 

 brown thick soap. For use dilute with 44 gallons water and apply as 

 a spray. 



817. RESIN COMPOUND FOR SUBTERRANEAN INSECTS. 



This remedy is valuable against Grape phylloxera, Apple Root-louse, 

 and other underground insects, having given excellent results with the 

 nrst two species named. It is made by combining 5 pounds of caustic 

 soda with 40 pounds of resin and diluting with water to 50 gallons. 

 Dissolve the soda in a small quantity of water by boiling and add the 

 resin. After the whole is dissolved, boiling water is added slowly to 

 make 50 gallons of the compound. For use, dilute to 500 gallons and 

 apply, in the case of the Phylloxera, 5 gallons to each vine, pouring it 

 into a basin excavated about the stock of the plant. 



818. RESIN WASHES THE FORMULA FOR RED SCALE. 



This insecticide has been employed with great efficiency in California 

 against the very injurious Red Scale. It is made as follows : 



Resin pounds . . 18 



Caustic soda do 5 



Fish oil pints . . 2\ 



Water, to make gallons . . 100 



The three first named ingredients are placed in cold water and brought 

 to a boil, the temperature being maintained for about an hour and water 

 being added from time to time. The product will assimilate readily 

 with water and should be diluted with the proper quantity of cold water. 

 It should be strained through line wire sieve or muslin before being 

 sprayed. 



819. RESIN WASHES : FORMULA FOR SAN JOSE SCALE. 



This is a stronger wash and is only applied during the dormant period. 

 It is made in the same manner as the first-named wash, but the boiling 

 is continued twice as long. The ingredients are used in the following 

 proportions : 



Eesin pounds . . 30 



Caustic soda do.. .. 9 



Fish oil pints . . 4£ 



Water to make gallons. . 100 



