100 



AGRICULTURE. 



No. 6. London purple, 4 ounces, very thoroughly mixed with 

 25 pounds of land plaster. Apply with a sprinkling-box. 



No. 7. Mix I ounce of fresh powdered white hellebore in 3 

 gallons of water. Apply at once with force-pump or sprinkling 

 pot. 



No. 8. Kerosene Emulsion. — Dissolve \ pound hard, or i 

 quart of soft soap in 2 quarts of boiling water; place i pint 

 of kerosene in a tin can; pour the boiling-hot solution into 

 this, cork, and shake rapidly for i minute. Before using, 

 dilute with its own bulk of warm soft-water. Apply as in 

 No. 2, 



No. 9. Mix I pound of fresh Pyrethrutn powder with an 

 equal bulk of air-slaked lime in a bottle or tin can; cork 

 tightly and leave 24 hours before use. Apply in still air, 

 with sprinkling-box or powder-bellows. 



No. 10. Air-slaked lime 2,-^-^X\qA with a sprinkling-box. 



No. II. Cut small cards from thin tarred paper, slit one side 

 to the centre, and make a short cross-cut near the end of the 

 slit, as in drawing. 



No. 12. Corrosive Stiblit?iate Solution. — Dissolve 2\ ounces 

 of corrosive sublimate in 2 gallons of hot water, and pour 

 this solution into 15 gallons of cold water. Use wood, 

 earthen, or glass vessels. 



No. 13. Potassium Sul/id Solution. — Dissolve ^ ounce of 

 potassium sulfid (liver of sulfur, sulfuret of potassium) 

 in I quart of warm (not hot) water, and add this solution to 

 3 quarts of cold water. Apply as in No. 2. 



