CID, butiric, account of, 209.

AS

capric, account of, 209.
caproic, account of, 210.
citric, crystalline form of, 119.
gallic, crystalline form of, 119.
phocenic, account of, 210.
Acetate of lead, crystalline form of, 374.
soda, crystalline form of, 39.
zinc, crystalline form of, 39.
Actynolite, glassy, analysis of, 231.
Air of the atmosphere, on the presence of
muriatic acid in, 25.

Alps, on the newer deposits of, 234.
Altitude and azimuth instrument, notice
respecting the Westbury, 397,
Ammonia, chromate of, crystalline form
of, 287.

Bevan, Mr. notice of his paper on the
heights of places in the trigonometrical
survey, 227.

Bichloride of mercury, crystalline form of,
285.

Biggs, Mr. on the ratio of expansion of
gases, 415.

Binacetate of copper, crystalline form of,
39.

Blood in the lungs, on the cause and
effects of an obstruction in, 211.

examination of, 176.

Blue, Prussian, method of distinguishing
ultramarine from, 34.
Boa, excrement of, 74.

Boase, Dr. notice of his paper on the tin
ore of Botallack and Levant, 52-ana-
lysis of tin pyrites, 53.

Mr. on the submersion of part of
Mount Bay, &c. 46.

Books, new scientific, 76, 157, 237, 317,
398, 472.

Boué, Dr. on the newer deposits of the
Alps, 234.

Brooke, Mr. analysis of his Familiar In-
troduction to Crystallography, 143.

on the crystalline forms of
artificial salts, 38, 117, 284, 374, 437.
Bussy, M. on the composition of morphia,

229.

Butiric acid, account of, 209.
Butter, analysis of, 69.

C.

B.

Barlow, Prof. notice of his paper on the
variation of the horizontal and dipping
needle, &c. 62.
Barometer, instructions for the application
of, to the measurement of heights, 95,
162, 259.

Barium, chloride, composition of, 340.
Barton, Prof. on the generation of the
opossum, 340.

Barytes, muriate, crystallized, composition
of, 339.

Bauer, Mr. notice of his paper on the
vibrio tritici, 219.
Beaufoy, Col. astronomical observations,
43, 138, 149, 259, 354, 435.

39.

Cornwall and Devon, on the geology of,

35.
Cornish rocks, on the nomenclature of,
46.)

Corrosive sublimate, crystalline form of,
285.

Couch, Mr. on the use of the electrical

faculty of the torpedo, 156-on the na-
tural history of fishes in Cornwall, 300.
Crystalline forms of artificial salts, on the,
38, 117, 284, 374, 437.

Cumming, Rev. J. list of substances ar-
ranged according to their thermoelectric
relations, and description of instruments
for exhibiting rotation by thermoelec
tricity, 177-description of the galva-
noscope, 288 on some anomalous ap-
pearances on the thermoelectric series,
322 on thermomagnetic rotation, 436.
Cystic oxide from a dog, description and
analysis of, 316.

Faraday, Mr. observations on the purple
tint of plate glass as affected by light,
396-on the change of musket balls in
Shrapnell shells, 398-letter from, re-
specting his historical sketch of electro
magnetism, 67.

Ferroprussiate of potash, crystalline form
of, 41.

Forbes, Dr. on the geology of the Land's
End district, 47-on the geology of St.
Michael's Mount, 51.

Forchhammer, Dr. on the transition for-
mation of Sweden, 16.

Franklin, Capt. notice of his narrative of
a journey to the shores of the Polar Sea,
54.

G.

Gallic acid, crystalline form of, 119.
Galvanoscope, description of, 288.
Garden, Mr. on the ignition of platina by
hydrogen gas, 466.

Gases, corrections for moisture, on, 229.
mixed, combustible, on the, 139.
on the ratio of expansion of, 415.
Gas, hydrogen, on the combustion of,
under water, 73.

Gas-light establishments, observations on
Sir W. Congreve's report on, 1.
Geological map of the principal mountain
chains in Europe, 214.

Geology of Cornwall and Devon, on the,

35.

Glass, plate, purple tint of, affected by
light, 396.

Goldingham, Mr. experiments for ascer-
taining the velocity of sound, 201.
Granite veins, on, 90.

Gray, Mr. analysis of his Elements of
Pharmacy, &c. 459.

Greenwich observations, correctness of,
397.

Gregor, Rev. Mr. analysis of the serpen-
tine of Clickertor, 47.
Gunpowder, action of, on lead, 396.
inflammation of, by the heat

of slacking lime, 316.

Hume, Sir E. on the difference between
the human ear and that of the elephant,
224.

Hydriodide of carbon, method of prepar
ing, 76.

I.

Indigo, method of distinguishing from ul-
tramarine, 35,

Insects and fungi, remarks on the identity
of the laws which regulate their distri-
bution, 324.

Iodide of potassium, preparation of, 69.
Iron, sulphate of, crystalline form of, 120.
Islands, newly discovered, notice of, 379,
Jack, Dr. notice of his account of lansium,
and some other genera of Malayan
plants, 381-notice of his paper on the
Malayan species of melastoma, 291.
James's powder, anlaysis of, 187.
Java, earthquake and volcanic eruption in,
231.

K.

Kent, Mr. account of some experiments
with the prism, 115.

Kirby, Rev. his description of some pecu-
liar insects, 417.

Knox, Hon. Mr. on bitumen in stones,
64.

H.

Hamilton, Dr. on the hortus malabaricus,
153.

Harbours, sea, essays on the construction
of, 13, 199,

Hardwicke, Gen. on the antelope quadri-

cornis, 152.-on the cermatia longicor-
nis, 386.

Hawkins, Mr. on the nomenclature of

Cornish rocks, 46.

Heat and light, solar, notice of Mr. Pow-
ell's experiments on, 394.
Heliotrope, analysis of, 75.
Henry, Dr. analysis of his Elements of

Chemistry, 138-on the mixed combus-
tible gases from moist charcoal, alcohol,
&c. 139.

Henslow, Prof. on the deluge, 344.
Heuland, Mr. on the matrix of the dia-
mond, 154.

Hodgson, Rev. J. inquiry into the era

when brass was used in purposes to
which iron is now applied, 407.
Hospital, St. Thomas's, notice of the lec-
tures delivered there, 309.
Howard, Mr. R. meteorological tables,
79, 159, 239, 319, 399, 473.
Humboldt, M. on the constitution and
mode of action of volcanoes, 121.

L.

Lambton, Col. notice of his paper of cor-
rections applied to the great meridional
arc, &c. 226.
Lassaigne, M. on carbonate of magnesia
in herbivorous animals, 70-description
and analysis of cystic oxide from a dog,
316.

Lead, acetate of, crystalline form of, 374.
Levy, Mr. on cleavelandite, 394.

Lime, muriate of, composition of, 344.
Linnean Society, analysis of Transactions,,
391.

Longchamp, M. remarks on his memoir
on the uncertainty of chemical analyses,
289.

Longmire, Mr. essays on the construction
of sea harbours, 13, 199-list of plants
found in the neighbourhood of St. Pe-
tersburgh, 191.

M.

Macleay, M. on the identity of certain
general laws which regulate the natural
distribution of insects and fungi, 324.
Maclurite, new mineral, analysis of, 72.
Magnesia, carbonate of, in the urinary
calculi of herbivorous animals, 70.

Milo, boiling springs of, correction re-
specting, 68.

- island, its volcanic origin, 274.
Mines, temperature of, 310, 441.
Morphia, composition of, 229.

crystalline form of, 118.

Mount's Bay, on the submersion of part
of, 46.

Moyle, Mr. on granite veins, 90.

Muriatic acid, on the presence of, in the
atmosphere, 25.

Muriate of barytes, composition of, 339.
of lime, composition of, 344.
of strontia, composition of, 343.

Patents, new, 77, 158, 237, 318, 393,
472.

Pearson, Dr. his analysis of James's pow-
der, 187.

Perkins, Mr. notice of his paper on the
compressibility of water, air, &c. 66.
Petersburgh, list of plants found in the
neighbourhood of, 191.

Phillips, Mr. R. analysis of James's
powder, 187-on ultramarine, and the
methods by which its purity may be as-
certained, 31-on the composition and
equivalent numbers of certain crystal-
lized muriates, 339-remarks on M.
Longchamp's memoir on the uncertainty
of chemical analyses, 289-on frauds
and imperfections of paper-making, 68
analysis of the sulphates of nickel, 439.

Mr. W. on the cleavage of metal-
lic titanium, 317-on the occurrence of
cleavelandite in certain British rocks,
448.

Phocenic acid, account of, 210.

Phosphate of ammonia, crystalline form
of, 285.

Phosphates of lead, on the, 71.

of soda, crystalline form of, 286.
of uranium, 156.

Poisons, classification of, 180.

Plants, list of, found in the neighbour-
hood of St. Petersburgh, 191.

Platina, ignition of, by hydrogen gas, 464,
466,

native, on the existence of chrome
in, 198.

Platinum, test of, 397.

Pond, Mr. on the parallax of a lyræ, 226
-on the changes which have taken
place on the declination of some of the
principal fixed stars, 247.

Potash, chromate of, crystalline form of,
120.

R.

Rain at Bombay, register of, 111.
Ramond, M. abridged translation of his
instructions for the application of the
barometer to the measurement of
heights, 95, 162, 259.

Relation by thermoelectricity, description
of instruments for exhibiting, 177.
Register of rain at Bombay, 111,
Ricardo, Mr. observations on Sir W.
Congreve's report on gas-light esta-
blishments, 1.

Rocks, Cornish, notice of a paper on the
nomenclature of, 46.

Rogers, Rev. J. notice of his paper on the
hornblende formation of the parish of
St. Clere, 46.

Rose, M. on titanium, 369.

S.

Sabine, Mr. notice of his paper on the ge-
neric and specific characters of the
chrysanthemum indicum, 388.

Salts, artificial, on the crystalline forms
of, 38, 117, 284, 374.

Sea harbours, essays on the construction
of, 13, 199.

Serpentine, of Chichester, analysis of, 47.
Seybert, Mr. analysis of glassy octynolite,
231.

Silliman, Prof. on a test for platinum, 397

-on the fusion of charcoal, graphite,
diamond, &c. 311, 468.

Skidmore, Mr. on the combustion of hy-
drogen gas under water, 73.
Smalts, method of distinguishing ultrama-
rine from, 35.

Smithson, Mr. discovery of chloride of
potassium in the earth, 258-on an im-
proved method of making coffee, 30-
method of fixing particles on the sap-
pare, 412.
Society, astronomical, proceedings of, 66.
geological, proceedings of, 154,
228.

Linnean, proceedings of, 151-
analysis of their Transactions, 291.
Medico-Botanical, proceedings of,

1.67, 394.

meteorological, notice of the for-
/mation of, 317-proceedings of, 395.

royal, analysis of their Transac-
tions, 219, 307-proceedings of, 61.
Soda, acetate of, crystalline form of, 39.
chromate of, crystalline form of,.

287.

Sound, experiments on, 81.

--

velocity of, experiments to deter-
mine, 201.

St. Thomas's Hospital, notice of lectures
delivered there, 309.

Steam engines, on the safety of, 70.
Steatite, crystallized, analysis of, 223.
Strontia, muriate of, composition of, 345.
Strontium, chloride of, composition of,
343.

Subcarbonate of soda, crystalline forin of,
287.

Succinate of ammonia, crystalline form of,
286.

Sulphate of cinchonia, crystalline form of,
375.

nickel, crystalline form of,

437-analysis of, 439.

nickel and potash, crystalline
form of, 438-analysis of, 440.

nickel and zinc, crystalline

form of, 439.

oxide of, composition of, 373.
Torpedo, electrical faculty of, on the use
of, 156.

Traill, Dr. on some thermomagnetic ex-
periments, 449.

Transactions of the Linnean Society's of
London, analysis of, 291.