over the New Haven Region. 359 
also over its western half, and consequently its breadth in this 
part is reduced to about 40 yards—although three-fourths of a 
mile wide just north. It is evident from the features of the 
region, moreover, that the depositions of till to the westward 
are essentially a continuation of those of Round Hill; that the 
ey was here to a considerable extent obstructed by the 
depositions ; and that part of the flood waters from the hy 
glacier, besides making a lake above, flowed westward an 
Joined the river-course next west, that of Indian River, the 
extensive flat meadows of Cove River north of the obstruction 
being elongated in that direction. 
_, With reference to the origin of Round Hill, we note that the 
direction in which it is elongated is most nearly that of the 
lower, or valley, ice-current; and if we regard the more south- 
eae depositions as its continuation, the direction becomes 
arrows. They average S. 83° W. to the south and southeast of 
the hill, while to the north, the directions S. 45°-56° W. occur. 
_It is plain, from these facts, that the making of the solitary 
hill cannot be accounted for on the su position of an eddy in the 
ow of the ice. The uniformity in the course of the scratches 
shows that there was no eddying. 
The position upon the western border, where there were 
large drift depositions, and must have been, as already we lace 
rder. The existence is therefore probable of a knot of 
Profound crevasses on this border region, at some point of 
greatest pressure, not far from the Sound; and, if a fact, a 
Stream of water, or river, from the upper surface of the glacier 
