ous experiments relating to it, 165; whether it contains more phlogifton than inflammable air, ib.; produced from water impregnated with nitrous vapour, 199; ditto with folution of bifmuth, 356; in the procefs for making dephlogisticated air, 357; not changed by long standing, 358; discharged from water by freezing, 359.

Odoriferous particles, cannot be exhibited in the form of air, 332.

Oils, imbibe nitrous air, 111; impregnated with nitrous vapour, 208; with vitriolic acid air, 277.

animal, an attempt to confine nitrous vapour with them, 174; impregnated with nitrous vapour, 209. olive imbibes nitrous air, 117.

P.

Percival, Dr. his opinion of the influence of fixed air on the growth of plants, and on the colour of rofe leaves examined, 306.

Phofphori, experiments on colours made with them, 386. Phlogifton, fhewn to be carried off by the blood in the lungs, 70; its effect on spirit of nitre, 248..

Precipitate, made from water impregnated with nitrous air, 104.

Putrefaction, of animal fubftances, fixed air produced in the procefs, 340; proportion of fixed and inflammable air yielded in it, 343.

Pyrophorus, Mr. Bewly's discoveries relating to it, 395

Quickfilver, air from it by fpirit of nitre, 9; and when expofed to the air, 352; no air contained in it, 334

R.

Red-lead, fixed air from it by spirit of nitre, 35; how much of it is convertible into air in one process, 90; how affected by the nitrous vapour, 230.

VOL. III.

E e

Refractive

Refractive power of inflammable air, 365.
Refpiration, a phlogistic process, 70.

Rofe leaves, the colour of them how affected by fixed air,
316.

S.

Sal-ammoniac, volatile impregnated with nitrous vapour,

227.

Saliva, the quantity of fixed air that it will imbibe,
375

Salt, common, imbibes nitrous acid vapour, 230.

-Spirit of it, absorbs nitrous air, 129; impregnated
with nitrous vapour, 219.

Semi-metals, air from them by fpirit of nitre, 21.
Serum, the blood acts upon the air through it, 29.
Silver, air from it by fpirit of nitre, 9.
Stink ftone, air from it by spirit of nitre, 39.

T.

Tin, air from it by fpirit of nitre. 16.

Turpentine, oil of, its effect on common air, 92; absorbs
nitrous air, 112; impregnated with nitrous vapour,
209, 211; its effect on inflammable air, 265.

4

V.

Vegetation, how affected by fixed air, 306; by water im-
pregnated with fixed air, 320.

Vinegar, radical, no air from it, 329.

Vitriol, acid of, abforbs nitrous air, 29; impregnated
with nitrous vapour, 217.

Vitriolic acid air, water impregnated with it absorbs ni-
trous air, 130; fuper-impregnated with nitrous vapour,
221; the quantity of it imbibed by water, 275; pro-
duces an orange-coloured fubftance with alkaline air,
277; the electric spark taken in it, 278; various ob-
fervations relating to it, 270; water impregnated with
it how different from the vitriolic acid, 272; will
freeze, 360.

Volta, Sig. his obfervations on inflammable air, &c. 381.
Warltire

W.

Warltire, Mr. his obfervations on the refractive power
of inflammable air, &c. 365.

Water, impregnated with nitrous air, 103; with nitrous
acid vapour, 194; the quantity it will take of vitriolic
acid air, and marine acid air, 275; impregnated with
vitriolic and fluor acid air, 290; with marine acid air,
299.

with falt diffolved in it, its effect on common air,

101.

Wine, Spirit of, its effect on common air, 92; absorbs ni-
trous air, 119; impregnated with nitrous vapour, 2133
its effect on inflammable air, 265; no air from it, 332;
yields fixed air with the nitrous acid, 350.

Zeolyte, air from it by fpirit of nitre, 39.
Zinc, air from it by fpirit of nitre, 22 ;-

-in which a

candle will burn, 135; yields inflammable air with
brimftone, 259.

flowers of," imbibe nitrous acid vapour, 230.

FINI S.

E e z

ERRATA.

Page 8. 1. 4.

for stopple

read ftopple and tube

N. B. Make the fame addition wherever diftillation is mentioned

N. B. All that fentence fhould be in the time past, referring to an

experiment recited before.

might not

might

327.

1. ΙΙ.

346.

1. 13.

367.

1. 15.

370.

1.23.

377.

magnefia
hypothefis

410.

1. 2. of the note, for combines read contains

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