24 Dr. T. Archibald Dukes on 
First, let us see where Glen Roy is. Half-way down the west 
coast of Scotland is the Firth of Lorne, which runs up north-east 
into Loch Linnhe, and this in the same direction to Fort William. 
Just east of Fort William is Ben Nevis, and ten miles north-east 
of Ben Nevis is this Glen Roy, which also runs up north-east for 
some ten miles or so. 
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Fie. 1.—A sketch-map of Scotland, showing how the south-west wind is 
caught by the Firth of Lorne and conducted up Loch Linnhe to Ben Nevis, 
beyond which Glen Roy is indicated. 
It is a steep narrow valley about a mile broad, between moun- 
tains over 2000 ft. high, and has a noisy burn running along the 
bottom. Starting up this glen, you first notice a branch valley 
on the left—Glen Collarig—which curves round and rejoins Glen 
Roy higher up, thus helping to isolate the Bohuntine Hill, which 
