386 Mr. west’s Account of 
and an half diftant from Invemefs, and is called by the 
inhabitants Creek Faterick, or Peter’s Rock : the lower 
part of it is chiefly ploughed up; the upper part is ex- 
tremely fteep, craggy, and very difficult of accefs, and 
appears to me to have evident marks of having been a 
volcano, as by much the greateft part of the largeft 
rocks on it have been either ftrongly calcined or fufed, 
as will, I think, plainly appear by thefe fpecimens, fome 
of which I picked up on the fides of the hill, others I 
broke off from the folid rock with a pick-axe (though 
not without great difficulty, on account of the extreme 
hardnefs of the rock) ; and others I dug out from the 
fummit of the hill, at the depth of four feet, lying in 
a rich, light, black mould, which, after having been ex- 
pofed to the air for fome time, turned to a whitilh afh 
colour. 
On the fummit of this hill (which commands a moll 
beautiful and extenfive profpedt) is a fmall plane, ninety 
paces long, by twenty-feven wide, furrounded by rocks, 
from fix to eight feet high, like a breaft-work, extremely 
craggy, and difficult of accefs on the outfide, but riffng 
from the center, in the infide, to the top of the breaft- 
work, with a gentle flope of turf, equal to any of the 
fineft on our fheep downs.. This I at firft thought might 
have been the crater; but the fmoothnefs of the infide 
leeming not to favour this opinion, I carefully examined 
2. every 
