On the Animal Calculus. 239 
9. From FtYZ Stone and Spirit of Salt were 
eenerated a hundred and eight cubic Inches 
of which thirty fix loft their Elafticity in fe- 
ven Days. 
10. In like manner I found great Qiianti- 
ties of Air arife by Eftervefccnce from many 
other foflile mineral Bodies : As from Portland 
Stone, black Marble, blueifli Marble, re'difli 
Marble, Diamond, and the Lime-ftone 
Marble in which it grows, alfo five different 
kinds of Spars, and a hard Fluor ^ two Stones 
that looked like petrified Wood, and two o- 
thers that r^fembled petrefied Bones. But no 
Air arofe from a hard redifii paving Stone^ 
which is brought in Ballaft from Norway ; nor 
from the F>arby^ Collen or French Mill Stones, 
nor from Iron Oar Stone. 
11. Thus we find tartarine Principles in 
moft kinds of foflile Bodies ; no wonder then 
that the Generality of Waters, which flow 
thro* them, are impregnated in fome Meafure 
with the like alkaline Qualities, fo that thofe 
mineral Waters which have wrongly been cail^ 
ed Acidul^y being found on further Exami. 
nation to be alkaline, fliould rather be called 
Alkallulie. Tho’ it is probable that moft of 
the harder Bodies, fuch as Brijlol Marble, 
4 Spar 
