Ch. 2D: ae 
Poutine lake. Why dangerous, P: 147. —How to © correct 
it, p. 291. 
Potatee leaves, Their air, -p. 26 .—Their faculty ofc con- 
taminating good air by night, exp, 43.—Yield bad 
air by night, exp. 37. 
Prigfiley, the rev. Dr. his difcovery of the dephlogitti- 
cated air, p. xix.—His difcovery of the Eudiometer, 
p- Ix.—His difcovery of the dephlogifticated air from 
water alone, p. 22.—His-difcovery that plants thrive 
better in putrid-air, p. xxiii, and p- 62.—That air of 
. hot-houfes is -unwholefome,: p. 5e.~That-a rofe con- 
taminates air, p. 55.—His fentiment upon vegetatiou 
in regard to air, p; xxiv.~ 
ie Sir ee ius ieee geval. A con —, 8 
—— 
ase i curing ete p 
OR. 
Referry forub, peevliar manner of ‘yielding dephlogitti- 
ated air, p. 19. 
' Refpiration, if plants have organs of refpiration, ze 34e 
~~ dn-what manner i it contaminates air, p. xlvi, 
‘Rome, why its air aublidieloine, Pp 146. 291, a to 
_ remedy this mifchief, 291, - 
Room. Effe& of plants Kept in a room, p, 67. Eee 
: pt sees Handing tear the windows, P- 144. 
= tse All roots contaminate air, few excepted, expe 
=< S38 Pp $3-—Abforb inflammable air, = 116. 
= “The 
Cae 
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