Atmospherical phenomena, 1817, 132.

Avignon, notice of antiquities discovered at, 385.
Ares, (stone) ancient, discovered in France, 145.
Axle tree, moveable, notice of,-121.

Azimuth compass, directions for using, 219-221.

B.

Babylonian cement, analysis of, 130.

Bacon (Lord), scope and influence of the philosophical writings of, considered, 173, 174.

Bagnold, (Capt.) account of a table furnace, 131.

Bamboo, account of, 46-48, particularly those of South America, 48-50, and of the tabasheer, or inspissated juice of the South American bamboo, 50, 51.

Banks, (Sir Joseph) honourable tribute to, 344, 345.

Banks, (Mr.) on the case of a child that had swallowed a knife, 265, 268.

Barometer, (new) notice of, 120.

Barbadoes, (island) geological structure of, 311.

Bartholomew (St.) island of, its geological structure, 312.

Basseterre, geological appearances of, 318, 319.

Bauer's, (Mr.) publication of strelitzia, notice of, 152.
Beet-root, expense of making sugar from, 357, 358.

Bills of mortality, remarks on, 307, 308.

Biot (M.) observations of, relating to the operations undertaken to determine the figure of the earth, 340, 351.

Blight in apple trees, prevention of, 357.

Boag (Mr) notice of his discoveries in Egypt, 172.

Brande, (Mr.) report of his lectures on mineralogical chemistry, 64-account of platinum and its compounds, 64-66—and of mercury, 67, 68-of copper and its compounds, 69—of lead, 69,72-tests for discovering lead in water, 73-and in wines, ibid-table of the average quantity of alcohol in different kinds of wine, 152, 154—on iron, its compounds, and uses, 291, 299-on tin and its compounds, 299, 300-reply to Dr. Young on the London Pharmacopoeia, 359, 360. Brewster, (Dr.) instrument of, for distinguishing minerals, 139 -observations of, on a singular affection of the eye, in a healthy state, 173-history of his kaleidoscope, with remarks on its supposed resemblance to other combinations of plain mirrors, 324, 336.

Bridges, notice of improvements in the structure of, xvii. Brisseau-Mirbel, (C. F.) observations of, on cryptogamous and agamous vegetation, 257-264.

British Museum, receipts and expenditure of, 381.

Bruce, (Robert, king of Scotland) tomb of, discovered, 143.

C.

Cadmium, a new metal, notice of, 370.

Caldas de Rainha, account of the mineral springs of, 60, 62— Analysis of them, 63, 64.

Calomel, process for manufacturing, 131, 132.

Cambridge, new observatory at, 117.

Carr, (Mr.) notice of his machine for sweeping chimnies, 122. Cattle, health of, promoted by the use of salt, 146.

Cement, (Babylonian) analysis of, 130.

Ceylon, brief notices of the natural history of, 233-235.
-Child, case of, that had swallowed a knife, 255-268.
Chinese mode of making sheet lead, 369.

Chimnies, apparatus for sweeping, described, 354-356.
Chloride of silver, reduction of, by hydrogen, 360.
Cholesteric acid, accounts of, 125.

Christopher, (St.) Island of, its geological structure, 320.
Chromic oxide and acid, experiments on, 124.

Coal, new products from, 370.

Cochrane, (Lord) observations on the lamp-reflectors of, 178

180.

Cockerell, (Robert, Esq.) observations of, on the original compo-
sition of the statues of Niobe and her children, 99-103.
Coin, ancient British, discovered, 144. Roman and early
English coins discovered, 388, 389.

Colours of waters, observations on, 81-99-change of colour by acids, 125-and by heat, 129.

Comet, (new) notice of, 117-supposed transit of one, ibid, 118. Congo. See Zaire.

Cooper's-hill, ancient subterraneous apartments discovered at,

143.

Copper and its compounds, account of, 69-native copper found in North America, 140.

Corn, (musty) simple process for purifying, vii.

Cotton Goods, on the spontaneous combustion of, 367, 368.

Covent Garden Theatre, account of the ventilation of, 300-305. Cranch, (Mr.) collector of natural history in the expedition to the Congo, biographical memoir of, 111-116.

"Cryptogamous vegetation, observations on, 257-264.

Crystallization, (saline) experiments and observations on, 106

111.

D.

Daniell, (Mr.) mistake of, corrected, 188.

Davy, (Sir Humphry) abstract of his discoveries and researches concerning flame, and the safety lamp, i., vi.—his safety lamp applied to an argand lamp, 124.

Davy, (Dr. John) description of Adam's Peak, in Ceylon, 25,

30-analysis of Indian snake-stones, 124-sketches of the natural history of Ceylon, 233-235.

Diamonds, embedded, notice of, 378.

Dick, (Mr.) observations of, on the parallel roads of Lochabar, 175-177.

Dip-Micrometer, and Dip-Sector, observations on the use of, 223, 224.

Dipping Needle, directions for using, 211, 212.

Dominica, (Island), geological structure of, 317, 318.

Dracontius, poems of, discovered, 143.

Dry Rot, suggestions for preventing, 122.

Dulong and Petit, (MM.) Memoir of, on radiant heat, 364366.

E.

Earth, observations on the figure of, 235-247-on the knowledge which the ancient Egyptians appear to have had of it, 247-249-observations on the operations undertaken to determine the figure of the earth, 340, 351-account of rain of earthy matter in Naples, 370, 371.

Earthquakes, notices of, 134, 135, 372.
Edgeware Parish, population of, 309.

Elmes (Mr.) observations of, on the construction of prisons, 190-192.

Exports, extraordinary, from Liverpool, 145.

Eye, singular affection of, in a healthy state, 173.

England, proofs of the increasing populousness of, 305-310. Englefield (Sir llenry), directions for using the barometer of, 229, 230.

Eruption of Vesuvius, in 1817, account of, 199-201.
Eye, notice of a newly discovered membrane in, 379.
Eustatia (St.) Island of, its geological structure, 321.

F.

Faraday (Mr.) observations of, on some combinations of ammonia with chlorides, 74-77-and on the sounds produced by flame in tubes, &c. 274-280.

Feetham (Mr.), apparatus of, for sweeping chimnies, described, 354-356.

Figure of the Earth, observations on the operations undertaken to determine it, 340-351.

Fire damp, explosion from, 370.

Flame, nature of, ii.--may be extinguished by cooling, iii.-nature of the light of flames, iv.

Flar, Report of the Committee of the House of Commons on Messrs. Hill and Bundy's, and Mr. Lee's petitions relative to machinery for the manufacture of flax, 30, 31-evidence of

Mr. Millington on this subject, 32-40-of other witnesses,
41-44-disingenuity of the French, concerning these machines,
exposed, 186, 187.

Fluids, observations on the boiling point of, 361-363.

Fly in turnips, prevention of, 357.

Fossil Remains, notice of, 377, 378.

G.

Garnett (Mr.), observations of, on the production of ice at the
bottoms of rivers, 268-274.

Gay Lussac (M.), observations and experiments of, on the boil-
ing point of fluids, 361-363.

Geology of the West India Islands, observations on, 311-323.
Glacier, increase of, in Switzerland, 134.

Gottingen, Royal Society, prize question of, 361.

Grandterre, geological structure of, 312.

Grasses, observations on the natural family of, 46-52.
Grenadines (Islands), geological structure of, 314.

H.

Hall (Dr. Marshall), description of an aerometer for correcting
pneumatic experiments, 52-55-experiments and observa-
tions of, on vision, 249-257-on a mode of preserving some
vegetable remedies, 366-on the spontaneous combustion of
cotton goods, which have been embued with linseed oil, 367.
Halo, (lunar) described, 371.

Hampstead (parish), population of, 309.

Harpinella, a new musical instrument, notice of, 120.
Harpoon, new, notice of, 121—and of harpoon guns, ib.

Harvest moon, phenomenon of, 354.

Hatchett (Mr.), process of purifying musty corn, vii.

Heartwood of trees, remarks on the office of, 169.

Heat, change of colour effected by, 129, 130-experiments and
observations on radiant heat, 364-366.

Herculaneum, conjecture on the cause of the destruction of, 382.
attempts to unroll the Herculaneum MSS. ibid.

Hill and Bundy (Messrs,) machinery of, for manufacturing flax,
Report of a Committee of the House of Commons, 30, 31—
evidence of Mr. Millington concerning their inventions, 32-40
-of other persons, 40, 44.

Hoopoe, shot, 375.

Horner, (Mr.) account of a new photometer by, 118-120.
Humboldt (Baron), observations of, on the natural family of the
grasses, 44-52.

Hydrate of silica and alumina, a new mineral, notice of, 376.
Hydrometer, directions for using, 223.

Hydrophobia, remedies for, 141, 142.

I.

Ice, observations on the production of, at the bottoms of rivers,
268-274-progress of floating masses of ice, from the north,

372.

Illumination of streets, remarks on, 177-181.

Ink, directions for making, 296.

Iodine, observations on the crystallization of, 364.

Iron, effects of water and oxygen, in oxidizing, 169, 170-
native iron, where found, 293-different classes of iron ore,
295- pyrites, ibid,-magnetic iron, ibid-specular iron ore,
ibid-hæmatites and argillaceous iron stone, 296-properties
and uses of iron, 296-299.

Jordan (G. W. Esq.), observations of, on the colours of waters,
81-99.

K.

Kaleidoscope, history of Dr. Brewster's invention of, 324-326-
observations on its supposed resemblance to other combina-
tions of plain mirrors, 326-336.

Kater, (Capt.) notice of his experiments for determining the
length of the pendulum vibrating seconds in the latitude of Lon-
don, 168-on the length of the French metre, estimated in
parts of the English standard, 169-directions of, for using
the instruments executed under his superintendance for the
northern expeditions, 202-216-on the use of his repeating
circle and azimuth compass, 217-on the altitude instrument,
221, and hydrometer, 223.

Knight, (T. Esq.) observations of, on two general principles in
the method of differences, x.-on the construction of logarith-
mic tables, xi.

Knight, (T. A.) observations of, on the office of the heartwood
of trees, 169.

L. ·

Lace-making, notice of improvements in, xv.

Lake formed in the valley of Bagne, in the Valais, description
of, 372, 374.

Lead and its compounds, account of, 69-72-tests for detecting
it in water, 73-sugar of lead not used in adulterating wines,
ibid-oxide of lead crystallised, 363-Chinese mode of mak-
ing sheet lead, 369.

Lee (Mr.) machinery of, for manufacturing flax, observations
on, by a committee of the House of Commons, 31-evidence
of Mr. Millington concerning it, 36-40, and of Mr. Lee and
other persons, 42-44.

Literature, causes of the vicissitudes of, 4-10-observations on
the studies of literature, the arts and sciences, 11-24.