III. 
jf A Body be ^reduced According^to the 
Laws of NAture, it is f reduced out of a 
Fluid. 
In the produdion of a Solid Body 
there Ihould be eonfider’d the firft Line¬ 
aments as well as the increafe of it. But, 
as I candidly acknowledge that the/rj? 
VelineAtien of them is not only doubtful 
but quite unknown to me, fo I efteem 
without almoft any fcrupie, that the fol¬ 
lowing particulars are true concerning 
their increafe. 
A Body increafeth by an Appofition 
of new Particles fevered from an Extern 
nal Fluid; But this Appofition is made 
either by an external Fluid immediately^ 
or mediately by an internal Fluid, one or 
more. 
Such parts as are from an External 
Fluid immediately joyned to a Solid, do 
in fome/all down to the bottom by their 
own weight 5 in others, being by the pe^ 
nelrating Fluid of a Solid determin’d to¬ 
wards a Solid, are either joyned round 
about to the Solid, as in Incruftations,or 
only to certain places of the folid liir- 
face, as in thofe Bodies,which reprefent 
Thredsj 
