11 
ExpEraMEXT 12.— WOLF'S SOAP. 
Solution, 3 ounces soap to 1 gallon water; temperature 90^. Sprayed 
on plants with the WootlasDn atomizer. 
Eesidt. — Seems to have been rather more effective than in experi- 
ment 10. 
Experiment 13.— WOLF'S SOAP. 
Solution as in Experiment 12. Drenched plants thoroughly. 
Liesiilt. — Does not seem to have been any more effective, although a 
much larger amount of the solution was used. The spraying method 
seems the more satisfactory. 
Experiment 14.— WOLF'S SOAP. 
Solution, 4 ounces soap dissolved in 1 gallon water. Sx^rayed on wet 
surface of leaves and head. 
Result. — Killed a large number of the larvae, but by no means all of 
them. 
Experiment 15.— BUCKWHEAT FLOUK. 
Dusted the article usually put up for family use on a number of in- 
fested ])lants. 
ResulL-^The larvae did not seem to suff'er any inconvenience. 
Experiment 16.— BUCKWHEAT FLOUR. 
Placed 11 larviB in some of this same flour, and covered with glass. 
Result. — Forty eiglit hours after, none had died, while some had 
climbed to top of glass and pupated. 
Experiment 17.— AMMONIA AND WATER. 
Solution of 3 tablespoonfuls of ammonia to 1 gallon of water. Ap- 
plied with syringe. 
Result. — Xone were injured by the application. 
Experiment 18.— POWDERED ALUM. 
Applied to dew-wet leaves at 8.10 a. m., abundantly. 
Result. — Cannot see that any are destroyed. 
Experiment 19.— COPPERAS AND WATER. 
Dissolved one-half ounce copperas in 1 pint water j drenched several 
plants. 
Result. — This only seemed to cause the worms to seek less exposed 
positions. Watched for a number of days, but found none dead. 
