GLACIAL PHENOMENA IN MAINE. 137 
countless bays and coves, which add greatly to 
its beauty. We entered the island on the 
northwestern side, from Trenton, and proceed¬ 
ed at once to Bar Harbor, on the eastern side. 
This is a favorite resort in summer on account 
of its broken, varied shore, and of the neigh¬ 
borhood of Green Mountain, with its magnifi¬ 
cent view from the summit and its exquisite 
lake, sunk in a cup-like depression half-way up 
the mountain-side. At the very entrance to 
the island, on passing over the toll-bridge of 
Trenton, there is an excellent locality for gla¬ 
cial tracks. The strias are admirably well 
preserved on some ledges at the Mount De¬ 
sert end of the bridge. The trend of these 
marks is north-northeast, instead of due north 
as in most localities; and here is one of the 
instances where the slight deflection of the 
lines is evidently due to the lay of the land. 
The island is not only highest towards the 
centre, but narrows at its northern end as it 
sinks toward the shore, from which it is sepa¬ 
rated on either side by two deep fiords running 
up into the coast of Maine, and known as 
Frenchman’s Bay on the east, and Union Bay 
on the west. It is evident that the mass of 
