writers to be a fort of Sal Armoniac,) found to getherw itii 
theSrulphur in the forementioned places,it appeafd to me 
to be akindof A^/>rz^;;2 Calcarium ^iox^^LslxtiTitmhtv^xt had 
not any Urinous qualities, that 1 could perceive by ilighc 
tryalls of mixture and I was the more confirm'd in my 
opinion afterlhadieen, and confiderd, the great quan- 
tity of Lime Stone round about Naples many beds of it 
lying up and down the Terra di Lavoro, or Campania fe^ 
lice I fo that Dr. Lifter's notions concerning the Fyrites 
and the lapis Calcarius, may reach further, and prove in 
,£ime more fruitfully then the Epicureans^ ot Corpufculari^ 
ans^ may be willing to admit; for other minerallsand 
metals (atleaft as many as I know of them J are not lo 
plentifull as thofe are, neither are thefe, or any other bo- 
dys whatfoever under ground fo fenfibly bufy, and active 
in their fermentations, breathings, emanations, and 
changes, as the Pyrites^ and the lapis Calcarim^ato, known 
to be; what there is under our faell, in the deep, and dark 
" regions of the Globe, where humane induftry never yet 
penetrated, I cannot conceive, however I dare not deny, 
•but that all bodys as well above, as under us, may fend 
forth their fecret effluviums, and have their peculiar 
'^o/^^^r^j- 5 there being fcarce any abfolutereft in bodySj 
as our great and famous Philofopher, Mr. Boyle does 
%vince in leverall traits. 
