PROCEEDINGS 
OF THE 
MANCHESTER 
LITERARY AND PHILOSOPHICAL SOCIETY. 
Ordinary Meeting, October 3rd, 1882. 
H. E. Roscoe, Ph.D., LL.D., F.R.S., &c., President, in the 
Chair. 
Dr. R. Angus Smith, F.RS., showed a vitrified mass of 
stone, and gave the following description : — I went up 
lately to Fort William to see Mr. Wragge, who is making 
observations on the comparative amount of sunlight on the 
top of Ben Nevis and on the shore at his house, after a 
method advised by me, and, as usual, I amused myself with 
a little archaeology. I had seen in a recent map the vitrified 
Fort of Glen Nevis called by the strange name Dornadilla, 
a name that is found among Boece’s Kings of Scotland, but 
not hitherto applied to this fort as I supposed. I went up the 
glen to refresh my view of the site, and saw the line of the 
fort looking down. The glen is very grand. The fort 
stands on the south looking to the precipitous sides of 
Ben Nevis and down the glens both north and south. One 
of its objects was evidently to watch. The name of this 
fort, along with two or more of the same kind, is Dun 
Deardhuil, which the Rev. Dr. Clerk, of Kilmallie, says may 
mean “ The Fort of the shining eye.” This name anglicised 
Proceedings— Lit. & Phil. Soc.—Yol, XXII.— No. 1.— Session 1882-3. 
