Insects and Diseases 169 



pan in the left, the bugs may be quickly knocked off. 

 Be sure to destroy all eggs when hand-picking is 

 used. 



5. — Kerosene emulsion is used in varying 

 strengths; for method of preparing, see page 221. 



6 and 7. — For use of whale-oil soap and miscible 

 oils, see pages 216, 221. 



8. — Tobacco dust: — This article varies greatly. 

 Most sorts are next to worthless, but a few of the 

 brands especially prepared for this work (and sold 

 usually at $3 per hundred pounds, which will last 

 two ordinary home gardens a whole season) are 

 very convenient to use, and effective. Apply with a 

 duster, like that described on page 39, Implements. 



9. — Carbolic acid emidsion: — i pint crude acid, i 

 lb. soap and i gal. water. Dissolve the soap in hot 

 water, add balance of water and pump into an emul- 

 sion, as described for kerosene emulsion. 



10. — Corrosive sublimate is used to destroy scab 

 on potatoes for seed by dissolving i oz. in 7 gals, of 

 water. The same result is obtained by soaking for 

 thirty minutes in a solution of commercial formalin, 

 at the rate of i gill to 1 5 gals, of water. 



11. — Bordeaux mixture: — See page 220. 



POISONOUS REMEDIES 



12. — Paris green: — This is the standard remedy 

 for eating-bugs and worms. With a modern dust- 



