TO THE

PHILOSOPHICAL TRANSACTIONS

FOR THE YEAR 1813.

Α

page

ACID, liquid fluoric, discovered by SCHEELE, description of
it,

taken to electrize it,

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

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

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

265

an account of some experiments under-

270

213

82

171

preparation and general properties of it,
experiments to ascertain whether hydrogen

174

be present in it,
carbon in it,

177

181

experiments to ascertain the presence of

particulars respecting the mode in which
the proportions of sulphur and carbon in it are established,
Ancon, a term applied to a new variety in the breeds of sheep,
Ardea Argala, a description of its solvent glands and gizzard,
Artery, branchial, observations on its structure
AUSTIN, REV. GILBERT. On a new construction of a con-
denser and air pump,

188

93,

77

234

138

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

page

Bakerian Lecture, on the elementary particles of certain crys-
tals,
BERZELIUS, J. M. D. His experiments on the alcohol of
sulphur, or sulphuret of carbon,

51

171

188

His appendix to a paper on the alco
hol of sulphur, or sulphuret of carbon,
Bile, has a power of converting animal substance into fat,
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,
His 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,

His experiments to ascer-
tain whether an admixture of bile had any effect upon the
process of converting animal substance into fat,
Brentford, Middlesex, an account of some organic remains
found near that place,

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

C

Casowary, long-legged, from New South Wales, description
of its solvent glands and gizzard,
Cassegrainian telescope, its light compared with that of the
Gregorian,

155

110

82

213

154

131

101

Casuarius Emu, description of its solvent glands and gizzard,
Chemical combination, observations on the atomic doctrine of it,
Chlorine and azote, a new substance formed by their combina-
tion,

79

206

78

190

2

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

Chromate of lead, on the double refraction of it,
CLANNY, WILLIAM REID, M. D. On the means of pro-
curing a steady light in coal mines without the danger of
explosion,

105

200

33

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

138

8

73

Crystalline humour, indispensibly necessary to enable the eye
to see at different distances,

44

Crystals, on the elementary particles of certain,

on the existence of two dispersive powers in all

doubly refracting,

Cube, origin of its form in crystallography,

D

DAVY, SIR HUMPHRY, LL.D. On a new detonating com-
pound,

page

51

107

59

1

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

263

106

.E

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

F

Fut, on its formation in the intestines of living animals,
Fluor spar, some experiments and observations on the sub-
stances produced in different chemical processes on it,
Fluoric combinations, the different hypotheses which may be
formed on their nature,

form

principle, various attempts to procure it in a pure

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

Fluoric compounds, a peculiar substance exists in them, which
it is difficult to examine in a pure form,
Fluorine, a name given to a peculiar substance existing in
fluoric compounds,

fluo-boric acid, discovered by GAY LUSSAC and THE-
NARD, description of it,

266

Glands, bronchial, on the black colouring matter of them,

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

H

HERSCHEL, J. F. W. Esq. On a remarkable application of
COTES's theorem,
Hippopotamus, organic remains of that animal found near
Brentford, Middlesex,
HOME, SIR 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,

His experiments to ascertain

the coagulating power of the secretion of the gastric glands,
On the tusks of the narwhale,
On the formation of fat in the

intestines of living animals,
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,

HOOKE, DR. His account of the formation of certain crys-
tals referred to,

page

8

135

77

96

126

146

227

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

55

88

K

KATER, CAPTAIN HENRY. On the light of the Cassegrai-
nian telescope, compared with that of the Gregorian,

L

206

Lamp, description of one to be used in coal mines,
Lecture, the Bakerian, on the elementary particles of certain
crystals,

205

51

Light, on some properties of it,

101

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

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

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

His experiments on the pro-
duction of cold by the evaporation of the sulphuret of

Micrometer, description of one with a single lens,

Mines, coal, on the means of procuring a steady light in them.

without the danger of explosion,

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

N

Narwhale, on the tusks of that animal,

page

119

200

201

126

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

31

affects the higher classes of society more than

ib.

sometimes occasioned by an evident change

in the spherical figure of the cornea,

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

not necessarily occasioned by a morbid pro-

trusion of the whole eye,

Observations of some principal fixed stars, results of them,

34

seldom alike in the two eyes,

35

41

ib.

3 Ursa Minoris,

3 Cephei,

a Ursa Major.

- X

α

γ

γ

Cephei,

Cassiop.

Ursa Major.

y Draconis,

- Ursa Major.

a. Persei,

-X.