RECEIPT BOOK. 171 



keep off the yellow striped bug, that preys upon 

 those plants while young. 



No doubt a plant of tobacco, set in the same 

 way, would answer a similar purpose; or, perhaps, 

 to sow a few tobacco or onion-seeds in the hill, 

 when planting, would have the same effect; and 

 the growing plants from these seeds could be ta- 

 ken away, when no longer wanted as protectors. 



Of other substances, sulpher is perhaps the 

 most effectual, as every kind of insect has an ut- 

 ter aversion to it. 



Powdered quick-lime is deadly to many insects, 

 and perhaps offensive to all. 



The same may be observed of soot, wood-ashes, 

 and other substances which are strongly alkaline; 

 and also of common salt finely powdered, brine, 

 old urine, &c. 



Calomel is also deadly to insects; and camphor, 

 and terebinthene substances are offensive to them. 



After premising thus much, we shall now speak 

 of insects separately, and begin with the 



Canherwoiin. 



The female of this insect comes out of the 

 ground very early in the Spring, and ascends the 

 tree to deposit her eggs, which she does in suita- 

 ble places in the bark; where they are brought 

 forth, and the young brood live on the leaveRof the 

 tree. 



The only effectual remedy is, to prevent the in- 

 sect from ascending the tree; and this may be 

 done in various ways; but the easiest, perhaps, is 

 as follows: 



First scrape q^ the shaggy bark round the body 

 of the tree, to the width of two or three inches; 



