and J&oimttton of Glolattlf tp* 1 1 



and the leaves fit but loofely on 5 a 

 wind no ftronger than that they re- 

 fitted before, will with eafe blow 

 them oft, and perhaps carry them up 

 a good way into the Air. But here 

 note., that it was not without fome 

 caufe, that I added above, that in a 

 fluid body, the parts (hould at leafi: 

 be united in fuch a manner^ as does 

 not much indifpofe them to be fepa- 

 rated. For 'tis not impofiible, that 

 the parts of a body may, by the fi- 

 gures and fmoothnefs of thefurfaces, 

 be fufficiently apt to be put into mo- 

 tion, and yet be indifpofed to admit 

 fuch a motion as would totally fepa- 

 rate them and make them fly up into 

 the Air. As, if you take two pieces 

 of very flat and well-polifhed marble 

 or glafs, and lay them one upon the 

 other, you eafily make them iiide a- 

 long each others furfaces, but not 

 eafily pull up one of them, whileft 

 the other continues its ftation. And 

 when Glafs is in the date of fufion, 

 the parts of it will eafily Aide along 

 each other, (as is ufual in thofe of o- 



ther 



