capable of producing Volatility in the 

 more difpofed portions of a body, 

 though it be much more eafie to be 

 found in Liquours, or in moid and 

 foft bodies., yet I have fbmetimes y 

 though rarely^ met with it in dry 

 ones. And particularly I remember, 

 that fbme years ago having, for trial 

 fake, taken Muftard-feed, which is a 

 body pregnant with fubtile parts^and 

 caufed it to be diftilled perfe in a Re- 

 tort^ I had, as I hoped, (without any 

 more ado ? ) a great many grains of a 

 clear and figured Volatile fait at the 

 very firlt diftillation : which Expert 

 ment having^ for the greater fecuri- 

 ty 5 made a fecond time with the like 

 fuccefs, I mentioned it to fome Lo- 

 vers cf Chymiftry, as what I juftly 

 fuppofed they had not heard of. I 

 leave it to farther Inquiry, whether, 

 in a body fo full of Spirits as Muftard- 

 feed, theaftionand re-aftion of the 

 parts among themfelves, perhaps pro- 

 moted by juft degrees of fire^ might 

 not fuffice to make in them a change 

 equivalent in order to Volatilization, 



and 



