from the melting of the Quaternary Glacier. 183 
fore of subsequent origin. It _ poe ey ree, by floating 
ice. The Oliverian Brook, which here enters the Co nnecticut, 
comes directly from the southwestern part of Me White Mountains, 
—Mt. Moosilauke, 4811 feet high and not a dozen miles off, being 
its source (see map), aud other “peaks, 2000 to 2500 feet in height, 
borderi ring its cour he section at the time of Mr. Upham’s 
examination of it aatiek have shown the till-like deposit but not 
the beds beneat 
On an ascent of the terrace half a mile farther south I found 
evidence of ee and fine gravel, but saw nothing of the till- 
like capping; and it was evident that the latter was a local de- 
posit. Neither se ‘ 1 observe evidence of it near the village over 
the top of the 
At Piermont, the « delta terrace” of Eastman’s Brook, 258 feet 
above low water tev el, is so situated evidently with reference to 
the Connecticut valley that it should be taken as the normal 
instead of the 78-foot terrace made the “ highest 
normal” by Mr. Upham; and at Fairlee, a “delta terrace” of 
Jacob’s Hevek, having a height of 247 feet, is ue upper terrace, 
instead of a 57-foot terrace so made by Mr. U 
In the north part of Norwich, the kame, ie to Mr. 
Upham, has a height of 189 to 224 feet above ane water in the 
river; and the mean of these extremes, 207 feet, is not too high 
for flood level, 7 this is Bane as the height Si ctead of the 159- 
foot terrace of. 
n Hanover, the Mink Mok “delta terrace” carries the height 
up to 207 feet above low water in the river. 
Between Hanover and White River 1 aro: miles apart 
~-there are, near midway, falls of 40 
At White River J unction, the southwest wee warrants carry- 
ing the level up to 213 feet at least, in pla of 177; and a ter- 
race to the west of it makes the fall ‘height,'s as I found, 242 feet. 
The correctness of this higher level is sustained by the height 
which Mr. Upham gives on his map for the upper terrace and 
kame three miles south, in North Hartland, namely, 242 feet, and 
nearly by that of the “delta terrace” of Lull’s Brook, 227 feet 
ae four me farther south in Hartlan 
Windsor, I made measurements up to the high plain west of 
the village, and "found it 216 feet above low water in the river, 
which is the height taken in place of the 196-foot terrace. The 
material of the terrace was fine sand and loam, but slightly per 
ly in the upper ahaa It is a terrace of Mill Brook, but not 
less so of the Connectic 
hea examples are sufticient to explain the course I have pur- 
su 
For the height of flood-level in the part of the — passing 
dtc the State of Massachusetts I have used s of the 
Professor ©. H. Hitchcock observes. in vol. i of the Geto Report of 
New Hampshire (p. 217), that the Oliverian Brook in Haverhill may be ex 
to show signs, throu ugh boulder deposits, “of al local glacier deecsatetieg the west 
flank of Moosilauke. 
Am. Jour. ace ae Series, Vou. XXIII, No. 135,—Maron, 1882. 
