Proc. Roy. Socy. of Edin.'] 
[Yol. XXV. 
Fig. 25. — Coniferous trees killed by dust of cryolite at Foyers, by Loch Ness. 
Fig. 26. — View from the middle of Loch Ness, about two miles from Fort 
Augustus, showing the passage of the Great Glen through the mountains 
on the left centre of picture ; Beinn Tee in the distance. 
Mr George West. 
[Plate 13 . — Referred to on page 995. 
