THE GEOLOGIST. 
APRIL 1863. 
THE PARALLEL EOADS OE GLEN EOY. 
By the Editoe. 
On each side of a long, hollow, deep valley, bounded by dark and 
lofty mountains, at elevations respectively of 1203, 1188, and 980 feet, 
three strong lines are traced on the mountain-sides, parallel to each 
other and to the horizon, and at levels exactly corresponding on the 
Fig. ] . — Map of the Glen Roy district, a a', probable glacier-barrier ; ^leal Roy, 
battle of the Macintoshes and Macdonalds : /, Glen Fintec ; .r. Glen Gastric ; Glen 
Turit. The white lines indicate the " Parallel Roads." 
opposite slopes, — so extraordinary in their appearance as to impress 
the most unphilosophical and incurious spectator. 
These singular and solitary phenomena, although long known and 
celebrated by the Highlanders of that wild region as the traditional 
YOL. YI. B 
