To 4] 
of yielding dephlogiiticated air, as Dr, 
-Prieftley difcovered.- Plants have a 
power to correct bad air, and to im- 
prove good air. Winds will. blow 
-away the noxious particles of the 
air, and bring on air corrected by the 
waters of the feas, lakes, rivers, 
“mer, or. at ealncarle fos The i in- 
-fluence of the yecetable - creation 
“alone ceafes in the winter: but the 
lofs of thisinfluence is, perhaps, more 
shan amply counterbalanced_by the — 
ae asiganntion-o of. the g ye genera promowse 3 | 
a tion, - -In eellagentracs time number- 3 
defs: infeas. are produced, which did 
not exift in the winter: thefe infects 
pt fF 
infect the air by the -co 
and fovea ais All thefe cautes exift 
fum- 
