( 3 8 9 5 
more patent and large than Veftels of Wood* 
Confider we again not only the Aptnefs and 
Difpofition of thefe Parts to enter the Body, 
but their Effects when they have entered it ; 
for, i. From the Tenuity of their Parts they 
muft mix with and be entangled both in the 
Fibres, Veffels, and their Contents, and be 
as fo many Wedges feparating the adhefive* 
vifcid, glutinous Juices in thefe fmall eva- 
nefcent capillary Tubes, or afling according 
to the kind of the volatile mineral Princi- 
ples and their Compofitions. 2. Both from 
the Preffure of the Water, the Smalnefs of 
its Particle, the Relaxation and Softening of 
the Skin, and the Penetration of the volatile 
Parts, fame, yea not a little of the common 
Vehicle muft unavoidably be let into the 
Body and Veffels by the Skin, which joining 
the volatile Principles already let in, both 
will attenuate, thin, and diffolve the tardy* 
grofs, or impacted Humours ; and the Vef- 
fels at the fame time being loofened, thefe 
noxious Juices muft neceffarily be leffened, 
and Perfpiration promoted by each Immer* 
lion. 3. Confider we the Area to be im- 
merfed and expofed to the' Water, even the 
Body’s whole Surface, which in Adults, one 
with another, is not lefs than 15 fquare 
Feet ; and fince every Scruple of the Skin 
C c 7 has 
