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ways, therefore,^ it may greatly contribute to 
ftrengthen the folids, to accelerate the motion and 
circulation of the fluids, and to warm and invigorate 
the whole animal' frame. So that to thefe fpirits 
feem in a great meafure owing, the virtues which the 
acidul« poflefs, of attenuating the humours, break- 
ing their unnatural concretions, and powerfully open- 
ing obftrudions j of provoking the appetite, aflifling 
the digeftion and concodion of the aliment, and 
facilitating all the natural fecretions and excretions ^ 
of the body.. 
hi 
XXVIII. Ex- 
