376 Domestic Intelligence. 
a handsome collection of ‘mineralogical specimens, although 
it is but little more than six months since our society was in- 
stituted. We have communication with the Troy Lyceum, 
and with gentlemen of science throughout the state of New- 
York, and have a very flattering prospect of ‘making our 
cabinet respectable in a short time. The neighbourhood 
of the city of Hudson is interesting on account of the organ- 
ic relics which are found in it. It is from this source we 
hope to derive some advantage, by exchanging our speci- 
mens for those of other places. 
There is no doubt of the existence of gypsum, in Ancram, 
in this county. 
[Omitted in its place. ] 
Fluorie acid in Mica. 
Mr. Rose of Berlin, has lately examined in the Labra- 
tory of Professor Berzelius, at Stockholm, several varieties 
of mica, and among them a specimen of the rose mica from 
Goshen, Mass. sent to Sweden by Col. Gibbs. In all he 
found more or less fluoric acid. 
Ko 
REMARK, 
It has been out of our power, even to peruse several 
original American works, forwarded to us by their authors ; 
they will be mentioned as soon as practicable. 
The transactions of the American Antiquarian Society, 
and particularly the researches of Mr. Caleb Atwater, (con- 
tained in them) on the antiquities of the West, are said, by 
our literary friends, to be very interesting and instructive. 
The papers on Prussic acid, on the hydraulic lime, on 
Mr. Coates’ electrical battery, and several others, which 
had been arranged for this number, are unavoidably omitted 
till the next. 
