Anatyfis of the Air. 1 97 
cuius were diffolved in a few hours by oil 
of Vitriol, into which there was gradually 
poured near an equal quantity of fpirit of 
Harts-horn, made with Lime, which caufed 
a confiderable ebullition and heat. 
Tho s the remaining calx of the diftilla* 
tion of Tartar , in Exper. 73. ru wper deli - 
quium y and had therefore Sal Tartar in it 3 
and tho* the calx of the diftilled Calculus did 
not run per deliquium y and had confequently 
no Sal Tartar in it; yet it cannot thence 
be inferred, that the Calculus is not a tar- 
tarine fubftance : Becaufe by Exper. 74. it 
is evident, that Sal Tartar it felf, when 
mixed with an animal calx, diftils all over, 
fo that the calx will not afterwards run per 
deliquium . 
By the great fimilitude there is therefore 
in fo many refpe&s between thefe two fub- 
ftances 3 we may well look upon the Cal- 
cuius , and the Stone in the Gall Bladder , 
as true animal Tartars , anddoubtlefs Gouty 
concretions are the fame. 
From the great quantities of air that are 
found in thefe Tartars, we fee that unelaf- 
tick air particles, which by their ftrongly 
attra&ing property are fo inftrumental in 
forming the nutritive matter of Animate 
O 3 and 
