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INDEX

TO THE

PHILOSOPHICAL TRANSACTIONS

FOR THE YEAR 1813.

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A

page
Acid, liquid fluoric, discovered by Scheele, description of
it,

265
an account of some experiments under-
taken to electrize it,

270
Acids, remarks on their influence upon the composition of
the urine,

213
Alcohol, remarks on the state in which it exists in fermented
liquors,

82
Alcohol of sulphur, or Sulphuret of carbon, experiments on it, 171

preparation and general properties of it, 174

experiments to ascertain whether hydrogen
be present in it,

177
experiments to ascertain the presence of
carbon in it,

181
particulars respecting the mode in which
the proportions of sulphur and carbon in it are established, 188
Ancon, a term applied to a new variety in the breeds of sheep, 93,
Ardea Argala, a description of its solvent glands and gizzard, 77
Artery, branchial, observations on its structure

234
Austin, Rev. GILBERT. On a new construction of a con.
denser and air pump,

198
Azote and chlorine, a new substance formed by their combi-
nation,

2
B
BABINGTON, Dr. His letter to Sir EVERARD Home on the

subject of concretions of olive oil and mucus found in the
human intestines,

150

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110

page
Bakerian Lecture, on the elementary particles of certain crys-
tals,

51
Berzelius, J. M. D. His experiments on the alcohol of
sulphur, or sulphuret of carbon,

171
His appendix to a paper on the alco-
hol of sulphur, or sulphuret of carbon,

188
Bile

, has a power of converting animal substance into fat, 155
BLAGDEN, SIR CHARLES. His appendix to Mr. Ware's

paper on vision,
BRANDE, WILLIAM Thomas, Esq. His additional remarks
on the state in which alcohol exists in fermented liquors, 82

Ifis additional observations
on the effects of magnesia in preventing an increased for-
mation of uric acid, with remarks on the influence of acids
upon the composition of the urine,

213

His experiments to ascer-
tain whether an admixture of bile had any effect upon

the
process of converting animal substance into fat;

154
Brentford, Middlesex, an account of some organic remains
found near that place,

131
BREWSTER, DAVID, LL.D. On some properties of light 101

С
Casowary, long-legged, from New South Wales, description
of its solvent glands and gizzard,

19
Cassegrainian telescope, its light compared with that of the
Gregorian,

206
Casuarius Emu, description of its solvent glands and gizzard,

78
Chemical combination, observations on the atomic doctrine of it, 190-
Chlorine and azote, a new substance formed by their combina-

tion,
Chromate of lead, on the double refraction of it,

105
CLANNY, WILLIAM REID, M. D. On the means of pro-

curing a steady light in coal mines without the danger of
explosion,

200
Concave glasses, the bad effects resulting from the use of them
described,

33
Condenser and air pump, on a new construction of them 138
Cotes's theorem, a remarkable application of it,
Cryophorus, description of an instrument so called,

73
Crystalline humour, indispensibly necessary to enable the eye

to see at different distances,

2

8

1

page
Crystals, on the elementary particles of certain,

51
- on the existence of two dispersive powers in all
doubly refracting,

107
Cube, origin of its form in crystallography,

59
D
Davy, Sir HUMPHRY, LL.D. On a new detonating com-
pound,

Some further observations
on a new detonating substance,

242
His experiments and obser-
vations on the substances produced in different chemical
processes on fluor spar,

263
Diamond, on substances which possess a higher refractive
power,

106
E
Elephant, organic remains of that animal found near Brentford,
Middlesex,

134
F
Fut, on its formation in the intestines of living animals, 146
Fluor spar, some experiments and observations on the sub-

stances produced in different chemical processes on it, 263
Fluoric combinations, the different hypotheses which may be
formed on their nature,

267
principle, various attempts to procure it in a pure
form

275
Fluoric compounds, a peculiar substance exists in them, which
it is difficult to examine in a pure form,

278
Fluorine, a name given to a peculiar substance existing in
fluoric compounds,

278
Freezing at a distance, on a method of,

71
G
Gas, silicated fluoric acid, discovered by SCHEELE, descrip-
tion of it,

265
fluo-boric acid, discovered by Gay Lussac and The-
NARD, description of it,

266
Glands, bronchial, on the black colouring matter of them, .159

gastric, experiments to ascertain the coagulating power
of their secretion,

96

page

H
HERSCHEL, J. F. W. Esq. On a remarkable application of
Cotes's theorem,

.8
Hippopotamus, organic remains of that animal found near
Brentford, Middlesex,

135
Home, Sır Everard, Bart. His description of the solvent

glands and gizzards of the Ardea Argala, the Casuarius
Emu, and the long-legged Casowary from New South
Wales,

77
His experiments to ascertain
the coagulating power of the secretion of the gastric glands, 96

On the tusks of the narwhale, 126

On the formation of fat in the
intestines of living animals,

146
His additions to an account of
the anatomy of the Squalus Maximus contained in a former
paper; with observations on the structure of the branchial
artery,

227
Hoor E, DR. His account of the formation of certain crys-
tals referred to,

55
HUMPHREYS, Col. DAVID. On a new variety in the breeds
of sheep,

88
K
KATER, Captain Henry. On the light of the Cassegrai-
nian telescope, compared with that of the Gregorian, 206

L
Lamp, description of one to be used in coal mines,

205
Lecture, the Bakerian, on the elementary particles of certain

crystals,
Light, on some properties of it,

101
Lungs, on the colouring matter of the black spots on them, 159

M
Magnesia, additional observations on its effects in preventing
an increased formation of uric acid,

219
MARCET, ALEXANDER, M. D. His experiments on the al-
cohol of sulphur, or sulphuret of carbon,

171
His experiments on the pro.
duction of cold by the evaporation of the sulphuret of
carbon,

252

5 1

page
Micrometer, description of one with a single lens,

119
Mines, coal, on the means of procuring a steady light in them
without the danger of explosion,

200
explosions in, a few of the most considerable in
the neighbourhood of Durham recorded,

201
N
Narwhale, on the tusks of that animal,

126
Near sightedness usually commences between the ages of ten
and eighteen,

31
affects the higher classes of society more than
the lower,

ib.
sometimes occasioned by an evident change
in the spherical figure of the cornea,

34
- seldom alike in the two eyes,

35
has no dependence on the greater or smaller
degree of convexity possessed by the cornea,

41
not necessarily occasioned by a morbid pro.
trusion of the whole eye,

ib.
O

Home
Observations of some principal fixed stars, results of them, 285
- B Ursæ Minoris,

ib,
B Cephei, ui,

286
& Ursæ Major.

ib.
Cephei,

ib.
a Cassiop. 19
links

287
y Ursæ Major.

ib.
y Draconis,

288
ń Ursa Major.

289
« Persei, tiuni nisu to mora bitib.
Capella,

290
Cygni,

291
-« Lyræg ki, saya -bib.
Castor,

292
Pollux,

ib.
B Tauri,

ib.

ise
a Cor. Bor.

293
« Arietis,

ib.
Arcturus,

294
Aldebaran,

ib.
B Leonis,

295
MDCCCXIII.

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