in Buncome County, North-Carolina. 121 
ones was likewise corroborated by the following experi- 
ment made in the summer of 1816, — the late and much 
lamented Dr. Mc Bride, of Charles 
* Lime water on being added, andes down a white, flaky 
precipitate. On decanting the water and adding a few drops 
of sulphuric acid, there was a violent neti and the 
smell of the carbonic acid gas or fixed air. The precipi- 
tate also disappeared.” Concerning this experieliy it | 
be observed that the inference drawn from it, respecting the 
presence of carbonic acid cannot be correct, for. sulphuric 
acid, when applied to the carbonate of lime, would consti- 
tute another’ salt ‘of considerable insolubility, and there 
could not be a recipitate.* Any one 
who will make the direct experiment, may be eudeGud of 
this fact. Whatever may have been the cause of the pre- 
cipitate in Dr. Mc Bride’s experiment, repeated trials did 
not afford me any such results ; but in order to be more sat- 
-isfied upon the point, I placed in a tin vessel, of the form 
described in Dr. Meade’s analysis of the Ballston and Sar- 
atoga waters, one quart of the mineral water and set it on a 
fire to boil, having previously inverted over it a decanter 
full of lime water. This lime water was ascertained to be 
good, by blowing into it some air from the lungs, which 
made it of a milky colour. ‘The water in the tin vessel was 
boiled for some time, but not the least cloudiness was in- 
duced in the superincumbent decanter. From this deci- 
sive experiment the conclusion must be drawn that no car- 
bonic acid was contained in the mineral water. 
Most of the preceding experiments were repeated upon 
a portion of the water that had been boiled, but without any 
variation of the results. 
Three quarts were then carefully one and the a 
product secured in white paper, for further 
a more convenient place 
Some of die air biibbles: which were continually arising 
in the springs, were received into inverted glass vessels. 
On testing these with lime water no discoloration ensued, 
but when placed over a burning candle, the flame was im- 
* Unless a ene waa of acid were. added, when the sulphate of lime 
would be dissoly 
Vou. soa 1. pene 16 
