Mifeellama Curiofa. 507 



are Fluid yet they are Bodies, and therefore 

 corrfift: of parts united s which Union, tho' it 

 be eafily deftroy'd, yet of nece flir.y it requires 

 fome degree of Force for the efFecli ng it *, nor 

 is it more manifeft , if rightly confidered, 

 that a Flint requires Force for the reparation 

 t>{ its parts, than that Fluids do for theirs. 

 But however, I imagine, this Property oueht 

 not to be relied upon as the fole Caufe of this 

 appearance, to which my Brother has apply'd 

 it ; nay perhaps does not fo much as concur 

 the leaft in the producing this efTeftj ' my 

 Reafon in fliort is this : Whatever is of fuffi- 

 cient Power to raife the minute Particles of 

 a heavy Body in a light Fluid, is certainly a 

 fufficient caufe to keep them in that ftate : 

 Now my Suppofition may give fome account 

 of this, what my Brother fays, never can ~ 7 

 for he mull neceflarily fuppofe them firffc 

 raifed \ and then he gives the reafon of their 

 not finking : Whereas 'tis not to be quefti- 

 oned but that that Force which raifed them, 

 is the fame which keeps them from falling to 

 the bottom. 



But thefe Conjectures (for I efteem them 

 no more) I leave to the Conlideration of thofe 

 that defu*e to enquire further in this Mat- 

 ter, 



X 2 



