46 £>f t$e ^ec&anfcal&aufes &c. 



the changes in the blood and other 

 liquors and juices of the humanfe 

 body may thereby be the better uri- 

 derftoodi and they prevented^ or 

 their ill confluences remedied J 

 but in the pra&ical part of Minera- 

 logy divers tafefull things may pro* 

 bably be performed by the affift- 

 ance of fuch a Do&rine and Hifto- 

 ry. To keep which conjecture 

 from feeming extravagant, I (hall 

 only here intimate., that 'tis not a- 

 lone in bodies that are naturally 

 or permanently liquid, but in thofe 

 folid and ponderous bodies, that are 

 for a (hort time made fo by the 

 violence of the fire 5 that many of 

 the things fuggefted by this Do- 

 ctrine may have place* For whilft 

 divers of thofe Bodies are in fufioa, 

 they may be treated as liquors 5 and 

 metalls , and perhaps other hetero- 

 geneous bodies may be obtained 

 from them by fit though dry Pre- 

 cipitants, as in fome other writings 

 I partly did, and may elfewhere yet 

 further, declare. 



FINIS. 



