( 349 ) 
the weaker or more painful it is. 2. Sup- 
pofe the Air be ufeful as one of the Prin- 
ciples of Union, it cannot ad: fo ftrongly 
whilft fo greatly dilated and expanded j 
therefore the nearer its Particles are brought 
together, the more ftrongly will they co- 
here : But whether the animal Oil or Air, 
or both, be the cementing Principle, we 
are fure Oil abounds much with Air ; this 
is one of the Ways by which the Cold Bath 
braces and ftrengthens the Solids, as well 
as abates the Rarefadion, and diminifhes 
the Bulk of the Fluids. Here we might 
add what was already hinted, viz. 1. That 
fince the Contradion from the Bath is fo 
fudden and great, this forbids its Ufe to 
over- bulky, corpulent Bodies, whofe Fibres 
are fo choaked up and lubricated with Oil, 
that either they have not room to contrad, 
or are too much dilated, fo as they cannot 
fhake off, nor expel fuperfluous and hurtful 
Humours, but by thefe fudden Jirks can 
only have their Spring weakened to no pur- 
pofe. But fuch as are difpofed to Corpu- 
lency, yet not arrived at this monftrous 
bulky Habit, we cannot devife or recom- 
mend a more fure, fafe, and certain Pre- 
ventative, than cold Bathing. 2. This fud- 
den 
