PHYSICAL anv LITERARY. 267 
mix the duft of peats with ordinary dung, 
in making of dung-hills. 
I fhall conclude this paper with only 
mentioning two other ufes of peat, which 
I had almoft forgot, viz. that peat-duft 
ftrawed upon ground where peafe or o- 
ther feeds are fown, in order to have an 
early crop, 1s an excellent prefervative of 
fuch vegetables from the froft; as it 
‘keeps the ground warm, by not allowing 
the cold to penetrate into it. And that 
there is nothing properer than peat to ftop 
water, and to confine it, in the making 
of fifh-ponds, &c. This I learned from 
his Grace the Duke of Argyle, who I ob- 
ferved ufed it with gat fuccefs for that 
purpofe. 
ART. 
