A476 
Carbo-sulphuret of mercury, 237. 
Carbureted hydrogen gas in coal-mines, 
origin of, 172—why not kindled by 
sparks, 236. 
Carlisle, Anthony, Esq, on the con- 
nexion between the extra-yascular 
and vascular parts of animals, 68, 
174. 
Chalcedony, on vegetable remains in, 
65. 
Charcoal, absorption of gas by, 242, 
Children, J. G. Esq. on the effects of a 
very large galvanic battery, 68, 
Chloric acid, 128. 
Chlorine, observations on, 124—objec- 
tions to Davy’s theory of, 211. 
Chloro-cyanic acid, 470. 
Christison, Professor, on fluxions, 178, 
420. 
Cinchona, specimens of, 455. 
Clanny, Dr. Reid, account of the San- 
derland lime formation, by, 115. 
Clift, Mr. William, on the influence of 
the spinal marrow on the action of 
the heart of fishes, 222. 
Cloporte, respiratory organs of, 227. 
Clovelly, North Devon, account of, 
Coal-field at Bradford, near Man- 
chester, described, 56. 
Coal gas, method of illuminating the 
streets by, 17. 
Coal-mines, on, 108—queries respect- 
ing the ventilation of, 416, 
Colours used in painting by the an- 
cients, 222. 
Conybeare, Rev. William, on the 
origin’ of a remarkable class of 
organic impressions occurring in 
nodules in flint, 58—account of Clo- 
velly, by, 64. 
Gornwall, Royal Geological Society of, 
466. 
Coxe, Dr. John Redman, observations 
on crystallization, by, 101. 
Crystallization, observations on, 101. 
Crystals, antiquity of the theory of, 
463. 
Cube roots of binomials, extraction of, 
152—further observations on Mr. 
Lockhart’s extraction of, 309. 
Cuvier on the mouths of fishes, 228. 
Cyanogen gas, properties of, 470, 
D. 
Dalton’s theory of chemical composi- 
tion, observations on, 371, 
Daniel, Mr. on solution, 454, 
Davy, Sir Humphry, on iodine, 136— 
on the combustion of the diamond, 
“139 —on the colours used by the an- 
cients, 222—his method of pvevent- 
ing explosions in coal-mines, 493. 
Index. 
Davy, Dr. John, on animal beat, 140. 
Depolarization of light, experiments 
on, 220. 
Desvaux, observations, by, on the 
Alge, 149. 
Devar, island of, structure of, 61. 
Diamond, combustion of, 139— 
largest, 391. 
Dick, Thomas Lauder, Esq. on a toad 
found in the trunk of a beech, 11. 
ene oS double, by the same heat, 
Donovan, Mr, on a new vegetable 
acid, 66. 
eer hy vessel in insects, on the uses of, 
34, 
ge of carriages, experiments on 
106. : 
Drig in Cumberland, on the vitreous 
tubes found near, 65. ; 
iy at mineral water of, analyzed, 
256. 
Dutrochet, M. on the envelopes of the 
foetus, 226. : 
E, 
Edgeworth, R. L. Esq. experiments by, 
on the draught of carriages, 106— 
correction of an error in these expe- 
riments, by, 314. ; 
Ewart, Peter, Esq. on the Daltonian 
theory, 371. 
Explosion at the Success coal-pit, nea 
Newcastle, 55—another, 153, - 
Fatty bodies, nature of, 156. 
Fig, varieties of, 224. 
Flax, new mode of manufacturingy 
230. 
Fleming, Rev. Dr. on the mineralogy 
of the Red Head, 142, 
Floetz strata of England, older, re. 
marks on, 20. iS 
Fluo-arseniate of lime, 151. 
Fluxions, observations on, 118, 420—~ 
ae respecting, 394—answers to, 
64, 
Feetus, on the envelopes of, 226, 
Fossil remains of an animal most 
nearly allied to fishes, 139. 
Fox, James, jun. Esq, register of the 
weather in Plymouth for six months, 
by, 366, \ 
Fucus vesiculosus, 396, 
G. 
Gadolinite, 151. " 
Galena sublimed during the burning of 
London bricks, 304, 1 ELS, 
