t< ekki] 
a great deal of its own air, and will 
therefore be apt to abforb the air 
from the leaves: It may alfo hap- 
pen, that every pump-water may 
not be found equally as good as 
that which I met with in my coun- 
try dwelling, though as yet I have 
no* politive reafon to think fo; 
but I have fome grounds to believe, 
that water drawn from an open well 
is far inferior in. goodnefs to that 
which is forced up by a pump, as 
the former is. too much exp fed to 
the open Tee eee 
~ BY Ring an 1 eye upon the ex- 
periments redared in. this work, it 
will be eafily underftood, why, in 
every eXperiment- of this kind, 
fome difference in the refult will 
commonly be obferved; ~ for the’ 
peculiar degree of goodnefs of the 
ng sae air obtained from: 
c 4 
