THE GEOLOGIST. 



APRIL 1863. 



THE PARALLEL ROADS OP GLEN ROY. 



By the Editor. 



On each side of a long, hollow, deep valley, bounded by dark and 

 lofty mountains, at elevations respectively of 1206, 1 188, 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; |4-, iVIcal Roy, 

 battle of the Macintoshes and Maedonalds : /', Clcii Fintec ;\r, Glen Gastric ; t, Glen 

 Turit. The white lines indicate the " Parallel Koads." 



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 



VOL. vi. B 



