1^1 Anal^Jh of the Air. 
iTiixed with an animal calx, diftills all over^ 
lb that the calx will not afterwards run 
per deliquhim. 
By the great fimilitude there is therefore 
in fo many refpefts between thefe two fub* 
flances, we may well look upon the CaU 
culusy and the Stone in the Gall Bladder, 
as true animal Tartars, and do'ubtlefs Gouty 
concretions are the fame. 
From the great quantities of Air, that 
are found in thefe Tartars, we fee that un- 
elaftick Air particles, which by their ftrongly 
attrafting property are fo inftrumental in 
forming the nutritive matter of Animals and 
Vegetables, is by the fame attraftive power 
apt fometimes to form anomalous concre- 
tions, as the Stone, in Animals, cfpe- 
cially in thofe places where any animal 
fluids are in a ftagnant flare, as in the Urine 
and Gall Bladders. The like tartarine con- 
cretions are alfo frequently formed in fome 
fruits, particularly in Pears 5 but they do 
then efpecially coalefcc in greateft plenty, 
when the vegetable juices are in a flagnant 
flate, as in wine veflels, 
This great quantity of flrongly attrading,' 
unelaftick air particles, which we find in the 
Cal 
