“rounded rocks? Au answer was suggested to me by the fol- 
a 
a * On Bowlders ou Ral Sisiboe: 
every appearance of. of a most imoegnificent rocking 
; but it is immoveable. This very singular rock is 
e land of Ebenezer Soult and 4; miles from Pitts- 
i village. {t is in the woods, and is beautifully and 
‘rom: 
There is, if I am correct! saloraiels a rocking stone 
y4 
in the spent sitiele of " New-Marlborough in Berkshire. 
Art. VIIL On Bowlders and Rolled Stones. : 
July 20th, 1823. 
TO PROFESSOR SILLIMAN. 
Sir— 
I wave communicated for your journal a few 
on the nppentines COS Hee ce of the earth, in 
Inclination, business, and amusement in 
days, and since, often led me over the mo 
through the valleys, generally near Connecti 
h : 
various sizes, should have become so perfect! 
they should be found on the highest mountains, as wel $- 
in every valley ; why piled in such immense ridges; as well 
where no stream of water was ever known to flow, or accord. 
ing to e every appesrance, ever had or could have 
as well as in those places, where larger and smaller streains 
still existed. I enquired why every where on the face of — 
the earth, when an excavation is made by nature or by ahee 
Q we see inconiestible evidence, that the whole has been 
modified by the mechanical agency of water; why do the 
uncovered faces and angles of the granite and other rocks, 
bear the same marks of having been worn and ground as the 
Jowing observations. Being at Newport, R. L. I went down 
to the sea shore after a storm and found the mighty process 
still going on. While I stood on the elevated bank, the 
