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ABERRATION. An experiment proposed for determin-
ing, by the aberration of the fixed stars, whe-
ther the rays of light vary in different media.
P. Wilson. LXXII.

On the maximum of the aberration of light.

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(Animal*) Nova experimenta chemica quæ ad
penitiorem acidi e pinguedine eruti cognitio-
nem valere videntur.

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B

ACID. (Benzoic) Formed from dragon's blood.

On its decomposition.

Hatchett. XCV.

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298

De Crell. LXXXIX. 56

231

267

352

(Boracic) Its use in the analysis of stones.

Hatchett. XCV.
(Carbonic) On the quantity of carbon in it. Allen. XCVII.
(Fluoric) On its different combinations. J. Davy. CII.
(Lithic) Remarks on.

Pearson. LXXXVIII. 19

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ACONITE. The effects of its juice on the animal œco

nomy..

ADAIR, M. The remarkable effects of lightning upon

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Donovan. CV. 231 Keir. LXXVII. 267

On its freezing in Hudson's Bay.

Cavendish. LXXVIII. 166

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him.

Brereton. LXXI.

42

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ADJUSTMENT. Of circular instruments.

ÆRA. On that of the Mahometans called the Hejerà.
Marsden. LXVIII.

Pond. XCVI.

428

414

AEROSTATION. On the manner of guiding air bal

loons.

De Galvez. LXXIV.

469

ETNA. A description of a new sort of rain which fell

there.

AFFINITY. On the affinities of substances in spirits of
wine.

(Chemical) On its suspension, and its relations
to electrical bodies.

Gioeni. LXXII.

1

Kirwan. LXXVI.

155

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H. Davy. XCVII.
Brewster. CIV.

24

188

AGRICULTURE.* On different sorts of lime used in it.

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On an unusual horizontal refraction of it. Vince. LXXXIX.

13

(Atmospheric) Its analysis.

(Appearances) Of a luminous appearance.

On the changes produced by re-
spiration.

(Expansion) Frigorific experiments on its me

Cavallo. LXXI. 329
Pepys. XCVII.

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2530

Allen. XCVIII.

2490

chanical expansion.

Darwin. LXXVIII. 43

(Electricity*) A journal of atmospheric elec-
tricity.

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Continuation of the above. Read. LXXXII. 225¢

(Fixed) On its decomposition.

Tennant. LXXXI. 182.

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(Inflammable*) On the affinities of phlogisticated

and light inflammable airs.

On its analysis.

Austin. LXXVIII. 379c

Austin. LXXX.

51c

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(and Water) On the constituent parts of water
and dephlogisticated air.

Watt. LXXIV.

329

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On the production of dephlogisti-
cated air from water with various

substances. Count Rumford. LXXVII.

ALBURNUM. Variations of its density. T. A. Knight. XCV.

On the inverted action of the vessels of trees.

84

91

T. A. Knight. XCVI.
Not essential to the production of bark.

293

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On that of the spring and winter felled oak trees.

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