AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[SECOND SERIES.] 
Agr. XII.—Barometrie Indications of a nnn Aether ;* by 
LINY EARLE Cuass, M.A., S.P.A.S. 
IN a recent communication to the Ascéeican Philosophical 
Society, I stated that there are indications in the hourly prt 
Metric means, of disturbances which may, perhaps, be owing to 
& resisting medium. As the proper ae nega of those dis- 
tu in my opinion, to involve a consideration of 
and eon 
The Series between the light, volatile atmosphere, and the 
ish, ponderous S mercury, is so great, that few persons would 
expect an any slight variations of one to be accurately recorded 
by the other. But that such is the case, has been shown by m 
Barometric i ey eeA HONS 5 and so minute is the apparent corres- 
Pondence between the two fluids, that it does not seem unrea- 
Sonable to look even for traces of sethereal disturbance in the 
Mercurial column. 
I believe no attempt was ever made to si the daily 
*®robaric es by general algebraic expression, o the one 
to which I was led by an a priori consideration ae ie ie of 
Totation.? The remarkable correspondence between the theo- 
Tetical formula sia the results of observation, reg as it is, far 
: a T prefer this spelling for the Srgerdiebes oe. es Sis bd to pervade all space, to 
it from the liquid Eth 
* Proc. Am. Phil. Soc. vol. ix, x, p. 285; he ‘Sill Jott: for May. 1864, p. 410, 
1864, 
i Neca. Bi: hacoms Sanne, Vou. XXXVIII, No. 113.—SsPt., 1 
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