(it) 
declared/aire fufficient to refolveaU 
the doubts of the £lwefiion profofed^ 
which I iihall here comprehend in the 
three Propofitions following. 
I.: ' ■ , ■ 
if a Solid Body he everywhere encom- 
paf/d by another Solid Body^that of the two 
Wits frH hardned, which in the mutual con- 
ta£t doth exprefs on its fuperfce the pro¬ 
prieties of the fuperfce of the other ^ 
Hence obferve, 
I. That in thofe Solids, whether 
Earths, or Stones^which do round about 
environ and containChryftalsjSelenites's, 
Marcafits, Plants, and their parts, Bones 
and Shells of Animals, and fuch other 
Bodies having a fmooth furface, thofe 
very Bodies were then already hardned, 
when the Matter of the Earths and Stones ' 
containing them was yet fluid 5 and con¬ 
ic,quently that thofe Earths or Stones are i 
fo far from having produced the Bodies 
contain’d in them, that they were not j 
there exiftent, when thofe Bodies were I 
there produced. 
2. If there be in part included a Chry- 
ftal itvaChryftal, a Selenites in aSele*' 1 
nitcs,a Marcaiite in a Marcafite,that thefe | 
Bodies 
