180 Intelligence and Miscellanies. 
At the shore of the Bay, where as before observed, it 
turns abruptly to the south, the fluted rock again makes its 
appearance, running in the same direction. Here ime rock 
dips gently to the east, and disappears with the impressions 
under the water of the Bay. From the most westerly point 
where I observed the impressions, to this place, must be 
more than one mile, there can be no doubt that it is contin- 
ued all that distance ; how much farther west or east it may 
extend is unknown. 
It has to me the appearance of having been formed by 
the powerful and continued attrition of some hard body. 
It resembled in some slight degree, the sides of asaw gate, 
(if you understand the expression) which has been for a long 
time rubbing against the posts, which confine and direct it. 
It was said to have been observed, by the gentleman before 
himself examined this earance; for to me, it does not 
seem possible that water under a ircumstan 
have effected it. The flutings in width, depth, and direc- 
lane. This, running water could not effect, nor could its 
_ operation have produced that glassy smoothness, which, in 
7, Extract from the Journal of the Academy of Natural 
Sciences of Philadelphia, Vol. 2d, Part II. 
Observations upon the Cadmia found at the Ancram iron 
' works in Columbia County, New-York, erroneously supposed 
to be a new mineral. By Wm. H. Keatina. Rent Sept. 
10th, 1822. 
In the second number of the first volume of the New- 
York Medical and Physical Journal, Dr. Torrey has pub- 
lished a description and analysis of a substance, which he 
considered as a new mineral, and for which he proposed 
the name of green oxide of zinc; a specimen of this sub- 
stance having been handed to me last spring, I immediately 
