74 
THE PARALLEL ROADS OF 
of distribution in the neighborhood of Belfast, 
in the county of Wicklow, and in Cavan. 
Nowhere are these phenomena more striking 
than in Fermanagh County about the neigh¬ 
borhood of Enniskillen, and more especially in 
the immediate vicinity of Florence Court, the 
seat of the Earl of Enniskillen. On the north¬ 
ern slope of Ben Calcagh are five valleys lying 
parallel with each other and opening into the 
valley of Loch Nilly, which runs from east to 
west at the base of the mountain. A road 
now passes through this valley, and where it 
crosses the mouth of either of the five valleys 
rising towards the mountain-slope, it cuts 
alternately through the two horns of a cres¬ 
cent-shaped wall which bars the lower end of 
every one of them. These crescent-shaped 
mounds are so many terminal moraines, built 
up by the five glaciers formerly descending 
through these lateral valleys into the valley of 
Loch Nilly. They bore the same relation to 
each other as the glaciers De Tour and D’Ar¬ 
gentine, the Glacier des Bois with the Mer 
de Glace, the Glacier des Bossons and the Gla¬ 
cier de Taconet, now bear to each other in 
the valley of Chamouni. Were it not for the 
