DISEASES AND INSECTS. 220 



rated with inimeroTis liolcs, tlirongli wliicli they made 

 their way to the surface. 



" I observed, when tliey first appeared on tlie 

 vines, they were so feeble as to be unable to fly 

 even for a few yards. Having surmounted all other 

 difiiculties, I was determined not to be defeated in 

 the vineyard cultivation of the grape by tliis insect, 

 and consequently resorted to the following means for 

 their destruction. I directed my men to take each a 

 cup, with a little water in it, and go through the 

 vineyards every morniug, removing every bug from 

 the vines ; and this was done quite rapidly by 

 passing the cup under the leaf, and merely touching- 

 it, when the bugs instantly dropped, and were re- 

 ceived in the cup containing the water. When the 

 cup was full, they were soon destroyed by pressing 

 the foot upon them on a hard surface: After all of 

 them had been taken oflP, on the following morning- 

 there were ten on the vines where we had found but 

 one ; and the succeeding morning, after having been 

 removed as before, there were one hundred where 

 there were but ten, and so on, I was not discouraged, 

 however, and directed my men to persevere in the 

 work of destruction, and' we should thus perhaps 

 prevent the formation of another progeny for the 

 next season, for it is very easily shown that they do 

 not migrate to any great distance ; and by thus 



