( 196 ) 
to the naked Eye, great numbers oi exceeding fhiall^^- 
reflrial Particles dilTeminated through all pans of it. 
thicker and craffer Water exhibits them ir> ftill gfeater 
Tlenty, 
"Thefe are of two general kinds. The one a vegetable 
terrejirial Matter ^ Gonfifting of very different CorpufcleSy 
feme whereof are proper for the formation and incre- 
ment of one fort of Plant ^ and fome of another : as al- 
fo fome for the nourishment of one part of the fame 
Plant y and fome of ano.her. The other kind oi Parti- 
cles fuftain'd in Water are of a Mineral Nature, Thefe 
likewife are of different forts. In fome Springs we 
find Common Salt^ in others Vitriol^ in others Alum^ Ni- 
tre^ Sparr^ Ochre, &c. nay frequently feveral of thefe, 
or other Minerals, all in the fame Springs ; the Water 
es it drains and pafTes ihorow the Strata of Stone, Earth, 
and the like, taking up and bearing along fuch loofe Mi- 
neral Corpufclesy as it meets with in the pores and inter- 
flices of thofe Strata, and bringing them on with it 
quite to the Spring, All Water whatever is much char- 
ged with the Vegetable Matter, this being^w^', light, and 
eajily moveable. For the Mineral, the Water of Springs- 
contains more of it than that of Rivers, efpecially when 
at dijiance from their Sources : and that of Rivers more 
than the Water that falls in Rain, This I have learned 
from feveral Tryals^ which I mufi: not give Account of 
here ; my Drift in this place being only to evince the 
exiftence of terrejtrial Matter in Water, 
Any one who defires further fatisfa&ion in this, may 
eafily obtain it, if he only put Water into a clear Glafs 
Viol, flopping it clofe, to keep Duft and other exteri- 
or Matter out, and letting it ftand, without ftirring it 
for fome Days, Heil then find a confiderable Quantity 
of terreflrtal Matter in the Water ^ however pure and 
free it might appear when firft put into the Viol. He'll 
