Geology. | 6 
3. On the replacement of hydrogen in ether by chlorine, ethyl and ox- 
ethyl—Liepen and Baver have studied the action of monochlorinated 
tic bichlorinated ether upon zinc-ethy] and ethylate of sodium, and have 
obtained results of much theoretical interest. By the action of chlorine 
upon ether, at ordinary temperatures, the author obtained a mono-chlorin- 
ated ether with the formula, ct : “ O,. The action of zine-ethy] upon 
this compound Lips rise to two products which have respectively the 
OF Cyl, 
formulas, Cc H- ‘or | Og,and C,H, C,H. to,, and in which, as 
will be seen, one or two atoms of hydrogen i in the radical ethyl are re- 
laced by one or two atoms of ethyl itself, When mono-chlorinated 
ether is heated with an alcoholic solution of potash, or with ethylate of 
sodium, an oily liquid is formed, which boils at 157° C., is heavier than 
water, and has a most refreshing aud agreeable odor. The formula of 
this body is, se a “Cy 0, x O,. so that it must be regarded as ether 
H, 
in which one atom of h ydrogen in the ethyl is replaced by chlorine and 
one atom by the radical, C,H,O,, which the authors term oxethyl. 
By the semaine action of ethylate of sodium upon the last mentioned 
substituted ether, the authors obtained an oil lighter than water, boiling 
at 168° C., and having the formula, c ft. Cy H, O2 O,. In this, two 
atoms of hydrogen are replaced by to of oxethyl.. Finally, the action 
of ethylate of sodium upon this body, C SS: H O,, gives rise to a 
+ 5 
new liquid, boiling at 148° C. and presenting the formula, 
a; Hy off’ O,. The new substances described are evidently the 
types of a large class of similar substituted bodies, and deserve in them- 
_ Selves an attentive study, especially with reference to physical ss 
and to weet of decomposition.— Comptes Rendus, lix, 445. 
a new mode of preparing oxygen.—Robbins has given ome 
of prepa ring oxygen which is particularly interesting from a theoretical 
point of view, and which may hereafter be of much practical value. The 
is based upon an experiment due to Schénbein, and consists in 
_- pouring dilute silphnnis acid upon a dry and powdered mixture of three 
. Ale ents of peroxyd of barium and one equivalent of bichromate of 
= common oxygen, which escapes with effervescence.— m3 pid 
Il. GEOLOGY. 4 
“ On buried stems and*branches in Illinois ; by J. 8. Burs. 
communication to the Editors, dated Columbus, Wisconsin, Nov. 7. 
: While passi passing through the county of Adams, in the State of Tiifois: four 
Years since, I learned of the existence of a well, which cath been dug the 
from which small branches of trees and twigs had been ob- 
a one was informed that, at a depth of Pr ie feet, the 
tained. “ repaired to the-spot, and found the well to be eT feet in ; 
i 
- Ozone and antozone are given off simultaneously, and unite to” sa 
Cosmos, 
