358 Foreign Literature and Science. 
[Fereign notices selected by the Editor.] 
~ Poisons. 
It is now ascertained that sugar taken in lumps is a certain 
antidote for verdigris : that vinegar counteracts the danger- 
ous effects of alkaline substances; and that raw albumen 
(white of eggs) if administered in time, is a remedy for mer- 
eury sublimate.——Tilloch’s Phil. Mag. Dec. 1819. 
It may be added that vinegar counteracts the effects of 
harcotics and gluten those of corrosive sublimate. 
New method of grafting* Trees. 
A common method of grafting, is by making a transverse 
section in the bark of the stock, and a perpendicular slit be- 
low it; the bud is then pushed down to give it the position 
which itis to have. This method is not always successful ; 
it is better to reverse it, by making the vertical slit above 
the transverse section, and pushing the bud upward into its 
position—a method which rarely fails of success: because 
as the sap descends by the bark as has been ascertain- 
ed, and does not ascend, the bud thus placed above the trans- 
verse, receives abundance, but when placed below, the sap 
cannot reach it—Annales de Chimie, quoted by Tilloch. 
_ Phosphoric acid in Plants. 
Free phosphoric acid is in all vegetable extracts and in a 
great variety of vegetables. Besides the acid in combina- 
tion with lime, all cultivated plants appear to contain phos- 
pene saltin abundance. These facts were ascertained by 
Mr. Berry, by carrying on the evaporation in vacuo.—Til- 
loch. Jan. 1820. 
Rectification of Alcohol. 
A correspondent of the Giornale de Fisica, reports an eX- 
periment which may be applied with advantage to this pul 
pose. It is a well known fact that water passes with facility 
through bladder, while alcohol is almost perfectly retained 
by it. Ifa bottle of wine be closed by a piece of bladder 
*Perhaps the method described in this article corresponds rather witb 
what is, in this r PR ae pean Fe [Ep.} 
