a Volcanic Kill near Invernefs. 387 
every part of the hill, in hopes of finding fome marks 
of one, but without fuccefs. There are, indeed, feveral 
fmall caves, but of no great depth, which feem to be 
fonjied by the hanging rocks on the fides, near the top 
of the hill. There is alfo a fmall fpring about fifty 
yards from the top of the hill, but it was almofi: dry 
when I faw it, which was the latter end of July. I could 
not get, from the belt inquiries I was able to make, any 
account of this extraordinay phenomenon, no perfon in 
Invernefs (except one gentleman of that city) having 
ever taken the lead: notice of it ; nor can I find that any 
mention has ever been made of it in hiftory, though it 
feems probable that there has been at lead: one more in 
this part of the country ; as a gentleman near Dingwal, 
which is about twenty miles from Invernefs, allured me, 
that there were many ftones on a hill near his houfe 
which they called the vitrified fortification, that had the 
fame appearance with thofe at Creek Faterick; but that 
no perfon had ever taken any particular notice of them^. 
I am, 8tc. 
(a) The fpecimens fent with the above letter to the Royal Society, having 
been examined by fome members well acquainted with volcanic productions, 
were by them judged to be real lava ; and it was their opinion, that if a great 
quantity of the like fubilance be found on the hill from whence thefe pieces 
were taken, the hill mod probably owes its origin to a volcano. J. P. 
