I NDEX,. 
inflammable air, ibid—Tubes made for it, dele. 
corroded by nitrous acid, p. 172, 
Elm-tree, the air it yields in the fun sxeeleed, Xp. 27, 
_ 29.—The air it yields in the thade, exp. 49.—Its air 
of the day me the co together, exp. 52. 
Eudiometer. alfo Tef.—Deicription of it, p. Ix. 
—That of ae Fontana deferibed, p, 153- —The 
manner of ufing it, p. 155.—Neceflary cautions in 
_ufing it, p. 161.—-Its effeéts demonftrated, p, PRS 
The author’s method, p. 278. 
Euphoria, peculiarity of its air-bubbles, p. 18. 
Explofive air, produced by the vital action of the plants 
from inflammable air without the admixture of refpir- 
able air, p. 106. exp. 267. 
F, 
FoF che Cae, io % 
eseat a God, p- 139. 
Fixed air, what! p. I\viii.—It docs not exift feck ie 
vegetables, p. 113.—I. thrown out by the lungs, p. xlvi. 
Fl.wers, ther remarkable power of contaminating com- 
mon air «quaily in every fi.uation, p. 55.—They yield 
poifonous air by night a d by day, and poifon ordinary 
air, exp 6 — o.—Danger trom them, p- 56.—Their 
-vivulegt ete not checked by the fun, P- 565 nor by 
_ cold weather, p- 288. 
Plaids, whether any naturally fuch exift ? p. itz. 
Fontana, Abbé. Execlience of his Eudiometcr, p. Ix. 
His experiments apon the air of water, p. 128. —His 
new dicovery of procuring dephlogifticated air it in any 
quautity wanted at a cheap raie, p. xly, _ 
Fraxinlla 
