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whereas I intimated, that, befides 

 the expulfion of unfit corpufcles, 

 they may be otherwife difabled from 

 hindering the fixation of the mafle 

 they belong to r I did it, becaufe it 

 feems very poffible, that in fome ca- 

 fes they may, by the aftion of the 

 fire, be fo broken, as with their frag- 

 ments to fill up the pores or intervals 

 of the body they appertained to 5 or 

 may make fuch coalitions with the 

 particles of a convenient additament, 

 as to be no impediment to the Fixity of 

 the whole mafle, though they re- 

 main in it. Which poffibly you will 

 think may well happen, when you 

 fhall have perufed the Inftances an- 

 next to the fourth way of fixing bo- 

 dies. 



The third means of fixing, or 

 leflening the Volatility of, bodies^ 

 is by preferving that reft among the 

 parts, whofe contrary is neceffary to 

 their Volatilization. And this may 

 be done by preventing or checking 

 that Heat, or other motion,which ex- 

 ternal Agents ftrive to introduce 



into 



