( ” 1 ) 
Ablence fiiould not unite more clofely than before, feems - 
very furprizing to me • for I cannot conceive what Mat- . 
ter muil: fiipply the Vacancies, fince the Particles of Wa- 
ter themfelves remain at the fame Dihanccs as if tlie : 
Air was not withdrawn, otherwife the Water of necefli- 
ty muh become more denfe. But to proceed, I caus’d 
fome Water to be heated about Blood warm, when 
weighing my Bottle in it I found the Bulk of Water equal 
to the Bulk of the Bottle, which was about three Grains 
lefs than when cold 5/ which iGiews, that the component 
parts of the . Water are eafily feparated by Heat, and the 
Matter lodg’d in its Interftiges, capable of Dilation; 
Then I took that Water that I had purg’d of all its 
Air (as near as I could,) and gave it a degree of Heat, 
not exceeding luke-v/arm ; upon weighing the prementi- > 
on’d Bottle in it, I found, that altho’ the Heat it had 
receiv’d w as very inconfiderable, yet the Bulk of the 
Water, in that State, equal to that of the Bottle, was 
now diminifli'd two Grains ; which plainly fhews, That 
notwithftanding the Water contain’d no Air that I could 
difeover, yet there feems a Matter latent in it capable 
of. Intumefcencs, 
YI. A 
