30 = On Bowlders and Rolled Stones. 
miles from the meeting-house in Lyme, and about thirteen 
miles from Dartmouth College After that, it is eve 
where seen in blocks, in rounded rocks, as well as very of- 
ten in place. As you travel eastward, the land rises aA 
rapidly, and at every step there are certain marks of me- 
chanical agency. excepting of course the rocks in place. 
On leaving a considerable branch of the Mascomy river in 
the Eastern part of Canaan, the road between two moun- 
pass c on na level about 30 feet to a smooth coarse grained 
nite in 
Here is thie height of land between the Connecticut and 
Merrimack 1 at and itis probably more than one thousand 
feet higher than those rivers. On either side and close by, 
antes running still parallel with the road, which 
se bstewt 
are two m 
are from five to eleven hundred feet higher than tl 
of land already mentioned. In ascending this hill of 
ve 
and passing on to this evidently smooth w ater-worn puetager : 
granite, there was such a perfect resemblance between this 
deposite of gravel behind the rock and what I had often 
known in streams, that I was at once fully impressed with — 
the belief that this gravel must have been deposited by a 
current of water. The rocks exhibited every appearance 
of having been much worn by water, the cornérs of those 
in place being perfectly rounded, and all the low places be- 
tween the rocks for about two hundred yards were full of 
gravel, and no more than full. About forty or fifty feet 
from the surface of this smooth rock, the waters from this 
side flow rapidly to the Merrimack river Still I could not 
doubt that the very gravel which I saw on the west ‘de. as 
well as that which filled all the low places on the rocks 
had be-n rounded on the rock or near it, and that the 
rocks by the same process had been much worn. I 
concluded that nothing but the movement of the ocean 
ate, through this valley could ever have produced these 
