Threds, Branches, and Angular BodiGS, 
Where (b^ the by) it may be noted, that 
the faid ways are fometimes continued, 
until fome ipace be wholly filled tip by 
themi whence come Repletions, which 
fometimes are fimplc and plain, fome- 
times Gornpofcd of Crufts, or of Sedi¬ 
ments, or of Angular Bodies, or of di¬ 
vers,varioufly mixt among thcmfelves. 
Thofe Particles, which by an interme^ 
dute internal Fluid are joyned to a Solid, 
either alfunie the Figure of Fibres fin as 
much as they are conjoined ac¬ 
cording to the length of the extended 
fmall fibre, the pores being open’d, 
/y as they are, in the interftices of the 
fiiiall fibres, by the permeating Fluid 
difpofed for the figure of a new fmall 
fibre,) or make fimple repletions; by 
which two kinds of parts. Plants and 
Animals are compofed. Being lefs 
verfed in , the Anatomies of Plants, I de¬ 
termine not, whether there be in them 
leveral inward Fluids 5 in Animals tis 
certain that there arc, which I fliall en? 
deavour to reduce into order. 
Befides a Subtil fluid pervading all, 
we obferve at leaft three forts of Fluids 
