120 Annals of Horticulture. 



From an address made by W. J. Green, before the Ohi< 

 State Horticultural Society at its last meeting and reportec 

 • ft'". m the Country Gentleman of January 12, 1893, it appears tha 

 oho. while the e ff ect i V eness of arsenical spraying for the curcuho 1: 

 conceded, it cannot be done with sufficient frequency durin; 

 the long period of the curculio's presence — from May t< 

 August — without injuring the foliage and causing the leave 



Paris green. The following is the formula given : Lime, - 



water, 50 gaUons. Thus mitture was found satisfactory fo 

 European plums, but damaged the American varieties. Wit! 



suited, but it was questioned if this proportion of the arseniti 

 would prove effective against the curculio. 



A New Contact Insecticide. —The Gypsy- Moth Committer 

 in Massachusetts has found by experiment that the soap 



the pupae of ocneria. "Babbitt's 1776 Soap Powder" was used 



powder being first dissolved in a little warm water, and 

 sprayed upon the congregated caterpillars until they were well 

 soaked with the liquid. It was thought that the "Gold Dust" 



tions cannot be used for spraying tender plants, as they injure 

 the foliage. They can be used only on insects that cluster 

 about the trunks of trees or smaller objects." (Forbush.) 

 Creosote Oil as an Insecticide. — Forkilling the eggs of tfie 



the Carolina Oil and Creosote * Company'^arWilmington! 



: to test the efficacv of this 

 ale insects, and on the eggs 

 e killed by applications of 1 

 ! psylla, the squash-vine be 

 uash-bug (Anasa tristis). 



