Page:The Sceptical Chymist.djvu/69

 Rh from a certain substantial Form, whose Origination they leave more obscure than what it is assum’d to explicate.

But to proceed to a new Proposition.

Of the Experiments that induce me to make this Concession, I am like to have occasion enough to mention several in the prosecution of my Discourse. And therefore, that I may not hereafter be oblig’d to trouble You and my self with needless Repetitions, I shall now only desire you to take notice of such Experiments, when they shall be mention’d, and in your thoughts referre them hither.

To these three Concessions I have but this Fourth to add, That