{10 Preservation of Grass in Gravel, &c- 
is of a soft friable texture, and is constantly disintegrating, 
leaving the augite disengaged on the surface. 
idote—in amorphous masses, of a beautiful green co- 
lour in gneiss, Canaan. 
Scapolite—at Canaan, very abundant, associated with 
Tremolite—both bladed and fibrous. 
Ferruginous oxide of titanium—same locality. 
Black mica—very fine specimens ean be obtained from the 
hill of gneiss above mentioned. 
Opal—Sheffield, Mass. . 
Carb. of tron—Cornwall, Conn. 
Schorl—Cornwall—in crystals two or three inches in di- 
ameter. 
Coccolite—Cornwall—ot different colours. 
In the west part of the town, there is a locality of sahlite, 
both crystalized and in granular concretions, yielding, by 
mechanical division, an oblique four-sided prism, with rhom- 
ic bases 
There is also another variety of augite near the above locali- 
ty, occurring in amorphous masses, and deeply impregnated 
with iron. It has frequently a tinge of green, and is co 
sidered by many to be copper ore. 
New-York, Oct. 18, 1826. 
_ XIV. Preservation of grass in gravel— Production of the 
potatoe on a mutilated vine.—Extract from the common place 
book of the Rev. R. Emtrson, forwarded to the Editor.— 
Oct. 1824. On opening a drain near my house, where grav- 
el had been carted in to fill a cavity, five years ago, we found, 
at the depths of two and three feet, turf with the grass perfectly 
green and fresh, as when first deposited. This circumstance 
may possibly suggest a good mode of preserving delicate 
lant gh the winter, which are liable to mould in @ 
damp cellar, and require watering in a dry one. It may be 
