= 137 = 
o ae, 
~ 
cCONCLU STON! 
1 OPE ‘he iatiigent reader 
will excule i in mea ee Bee of. 
ing ifoserea a~ law of ‘nature hi- 
therto entirely unknown, and hid 
till now-behind the fcreen” of that 
awful darknefs which overcafts our 
earth ee the t time it withdraws 
6 pe : Seg 
I flatter myfelf alfo to have put — 
beyond all doubt, that the vegeta- 
ose have a remarkable fhare in 
ing up the falubrity of our at-- 
mofphere, by imbibing thofe feptic, 
noxious, and- pages stocee pallies 
a were communicated to if > 
