Miscellaneous Notices in Mineralogy, Geology, §c. 235 
These facts connected with that mentioned by Dr. Hay- 
den, (Vol. 1, p. 307) and by Prof. Dewey, seem to evince 
that the fetid odour of minerals cannot always be traced to 
organized matter. 
re 11. Fluor Spar on the Genesee River. 
[Communicated by Mr. John Boyd, a member of the Senior class in Yale 
College, from Winchester, Conn. 
Fluor spar in transparent cubical crystals imbedded in fe- 
tid limestone, is found in the bottom of the great Western 
canal, on the east shore of t enesee river, at Brighton, 
Ontario county, N.Y. 
Chalcedony is found among ete iooee masses of rock be- 
low the Genesee falls, at Cates) Ontario county. 
We have seen this fluor, it is very well chara chai ihe 
crystals are from one half to three fourths of an inch in di- 
ameter; being deposited upon a black limestone, and being 
themselves transparent and white, with a slight tinge of 
blue, they forma pleasing contrast with the limestone.— Ed. 
12. Chalybeate Spring at Litchfield. 
Extract a letter to the Editor from James ‘ames Pierce, 
f dated Litchfield, August 22, 1820. as 
I have recently discovered in’ this town a chalybeate 
spring that promises to be of considerable utility. It issues 
from an extensive bed of sulphuret of iron, situated on the 
ee side of Mount Prospect, four miles west of the vil- 
of Litchfield. The spring is copious and 
exhibiting in its course much oxid of iron, ochre. 
“iis deposit. The extract from gall nuts, or an infusion 
of white oak leaves produces a copious precipitate of the 
gallate of iron, changing the colour of the water nearly black 
neither lime-water or sulphuric acid effected any change. ‘A 
dense white cone x was produced by acetate of lead, in- 
dicatir muriate or a ware A peculiar 
sme Sipaier opinion attributed to sulphur, is pe 
ble each oe hands retain this smell for h Pe oA 
washing in its waters. An astringent effect and soreness of 
