CID, butiric, account of, 209. 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.
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.
Chrome, existence of, in native platina, 198.
Cinchonia, sulphate of, crystalline form of, 375.
Citric acid, crystalline form of, 119. Cleavelandite, on, 394, 448.
Cobalt, sulphate of, crystalline form of, 120.
Coffee, on an improved method of making, 30.
Combustion, slow, of tallow, oils, and wax, 44.
Congreve, Sir W. observations on his re- port on gas light establishments, 1. Conybeare, Rev. J. J. on the geology of Cornwall and Devon, 35-on a scarce and curious alchemical work by M. Maier, 242, 426.
Rev. W. D. memoir illustra- tive of the general geological map of the principal mountain chains in Europe, 214.
Cooper, Mr. analysis of sulphate of nickel and potash, 440.
Copper, binacetate of, crystalline form of, 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.
Dalton, Mr. on corrections for moisture in gases, 229.
Daniell, Mr. on the change in the freezing point of thermometers, 309-analysis of his Meteorological Essays and Obser- vations, 452.
Darwin, Sir F. on the volcanic island of Milo, 274.
Davis, Mr. on the Chinese year, 308. Davy, Dr. on pneumato-thorax, 61. Declination, on the change of, which has taken place in some of the principal fixed stars, 247. Deluge, on the, 344.
Dewey, Prof. analysis of crystallized stea- tite, 223.
Mr. on gas works, and the sub- stances from which gas is usually pre- pared, 401.
Diamond, fusion of, 311, 468.
matrix of, 154.
Dobereiner, Prof. on the ignition of pla-
tina, &c. by hydrogen gas, 464, 466. Dulong and Thenard, MM. on the pro- perty which some metals possess of fa- cilitating the combination of elastic fluids, 376.
Duncan, Capt. notice of some newly dis- covered islands, 379.
Dupin, M. on the safety of steam engines, 70.
Ear, human, and of the elephant, differ- ence of construction between, 224. Electrical faculty of the torpedo, use of, 156.
Emetic tartar, crystalline form of, 40. Expedition for the discovery of a north- west passage, notice of the return of, 394.
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.
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.
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.
Hume, Sir E. on the difference between the human ear and that of the elephant, 224.
Hydriodide of carbon, method of prepar- ing, 76,
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.
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.
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, 381.
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.
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, 398, 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,
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.
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, 23 1.
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,
Titanium, metallic, cleavage of, 317.
notice of Dr. Wollas-
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 of London, analysis of, 291.
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