556 FORMER EXISTENCE OF LOCAL GLACIERS 
the level of the saddle of Picket Hill, making it at least 
fifteen hundred feet thick, if not more; thicker in short than: 
any of the present glaciers of Switzerland. It will be ob- 
served, also, that as soon as the northern portion of that 
glacier had retreated to the wall which encircles the Fran- 
conia Valley on the north, the glacier occupying henceforth 
a more protected valley within the ranges, must have made a 
halt and accumulated at this point, that is, south and west 
of the saddle of Picket Hill, a very large terminal moraine. 
This moraine actually exists to the present day, and is one 
of the most characteristic features of the distribution of 
erratics in these regions. From the moment the glacier was 
reduced to the level of Franconia bottom it must suddenly 
have vanished entirely from the whole valley, and thus it 
happens that no other large terminal moraines are seen be- 
tween that just mentioned and the higher range of Fran- 
conia. 
. Moraines similar to those observed on the northern side 
of the White Mountains exist also on their southern side in 
the vieinity of Centre Harbor. Lateral moraines may be 
traced at the foot of Red Hill, a little above Long Pond ; also 
along Squam Lake. Median moraines are very distinct near 
Centre Harbor Hotel. "Terminal moraines are also numer- 
ous near Centre Harbor-and in the neighborhood of Mere- 
dith. At the southern end of Red Hill the lateral moraines 
trend westward and show their connection with the terminal 
moraines. These facts, taken in their relation with those 
enumerated above, show that there were local glaciers, on the 
southern as well as the northern slopes of the White Moun- 
tain ranges, moving in opposite directions; those on the 
northern slope moving northward, and those on the southern 
slope moving southward. I have seen no evidence thus far 
of these northern glaciers extending beyond the range of 
hills which separates the Amonoosuck River from the Con- 
nectieut River valley west of Laneaster, nor have I traced 
the southern glaciers beyond Lake Winnipesaukee. Traces 
