35° 
Of Earths. 
Part III. 
Earthen BALLS, about as big as mounting Stones, of 
a Blewifh colour, or that of Tobacco- Pipe-Clay . With other 
irregular Lumps of the fame nature : found among the 
Earth of a Hill overturn d at Kenebank in New-England. 
A Piece of IRISH-SLATE, fo called. Given by Mr. Rob; 
Hook: Of the fame colour as the Comifb, onlyfomewhat 
paler. But as foft as the Terra Lemnia, and feveral other 
Boles. And is therefore to be reckon d amongft them. Be- 
fides the common Taft of Boles, it hath a little Aftringency. 
Yet not alike perceived in all, for there is better and worfe s 
which Apothecaries will do well to obferve. 
00 ibid. Kentman (a) mentions a fort of very white Earth near 
/Worf,which in a fhort time would turn Blew,only by being 
expofed to the Aer. 
A fort of BROWN EARTH, very light; lying in Veins, 
incom palTed with a Body of greenifli Sand. From Corn- 
wall. - 
A BLACK EARTH, taken out of a fpot enclofed in the 
fame Sand, without any Vein iffuing from it. 
PART 
