224 SURFACE GEOLOGY. 
country, has been passed over by this glacier as if it were of no con- 
sequence. 
The Pemigewasset valley turns to the south below Plymouth; but the 
strize continue on in the direction observed in Rumney, just as if the ice 
could not stop after it began to slide. The smallest easting in Holder- 
ness is S. 37° E,, on top of Mt. Prospect; the ridge of Squam mountain 
shows S. 62° E.; and there are others equally pronounced. Sandwich, 
however, shows the greatest amount of easting. At several places it 
travelled a little north of east, and the east course is frequent. The 
movement did not continue further east into Tamworth on the north 
side of the Ossipee mountains, since the marks there are quite southerly, 
though Chatham hill shows the course S. 42° E. The mass seems 
rather to have gone south-easterly to the lake through Moultonborough, 
and over Red hill, S. 62° E. On reaching Winnipiseogee lake the strize 
on the east side average a more easterly course than on the west side in 
the towns of Meredith, Gilford, and Alton. The occurrence of the Moose 
mountains directly in the path of the Winnipiseogee ice suggests whether 
the course was not changed on account of this obstacle in its way. It 
is a fact, that the course on the summit of these mountains is that of the 
longer axis of the lake, while there is a much greater easting to the north- 
east. The strize at Tuftonborough Corner run N. 68° E., as if crowded 
closely upon the flank of the Ossipee mountains. Nearly all the obser- 
vations in Tuftonborough, Wolfeborough, Brookfield, and Wakefield run 
between south-east and east. Mr. W. Upham explains this condition of 
things, by supposing the ice of the Ossipee basin melted earlier than that 
over Winnipiseogee, and hence the ice from the latter area moved towards 
the vacancy left on the east side. If most of the ice were forced to pass 
out between Ossipee and Moose mountains, a part of it might emerge 
through Alton. The striz there have a much less easting than on the 
other side of Moose. 
Thus it would appear that the topography of the country between 
Warren and Wakefield, along the valley of Baker’s river and Winnipi- 
seogee lake, determined somewhat the direction of the motion of the 
ice, whether it be regarded as a part of the continental sheet or a local 
movement. 
Upper Pemigewasset Movement. The observations of the striae in the 
