404 
INDEX. 
Cadmium discovered in Derbyshire, 384. 
Calcareous Spar, effect of heat upon it, 346. 
Canary Bird without feathers, lOl*. . 
Ceres, elements of its orbit, 1 82. 
Charts, method of laying down a ship s track on, 277* 
Chronometers, their great use at sea, 281. 
Clegg, Mr, on coal-gas, 384. 
Cliffs, method of measuring the height of, 288. 
Cod-banh, on the discovery of the Shetland one, 138. 
Colouring matter of crystals, on the, 346. 
Comet 1819, Bouvard’s observations on it, 182. — Transparency 
of 379. A new one discovered in November, 379. 
Confervoz, uses of, 392. 
Cofral, mistaken for plants impregnated with carbonate of lime, I98. 
Corundum, quarry of, in Singraula, 305. 
Current off the Cape of Good Hope, 2 79‘— Submarine current at 
the Straits of Gibraltar, 358, 
D 
Davy, Sir H. on mists, 1 85. 
Differential Thermometer, 383. 
Double Refraction of Light, discoveries respecting it, l67* 
Drummond, Mr, on the germination of the musci> 192 ^ 
Dye, new mineral, 383. 
E 
Earthquake at Lisbon, 195. — in Carolina, 300. 
Eels, electrical, mode of catching them by wild horses, 242* 
Elba, mineralogy of, 177- 
Elephanta, cave of, 188. - 
Engraving, on a new style of, on copper, I 9 . 
Expedition from Hudson’s Bay to the Arctic Ocean, 195. 
F 
Feathers of birds, on their change of colour, 271* 
Ferguson, Dr, on the marsh poison, 375. 
Filippo, St, account of a visit to, 290. — account of the baths at, 293—^ 
method of making stone-medallions at, 297- 
Fisheries, Scottish, Mr Stevenson’s account of them in 1819, 129. 
Fishes, electrical,, 245. 
Fleming, Dr, on the Seftularia gelatinosa of Pallas, 82.— on the chan- 
ges of colour in the feathers of birds, 271 . 
Flower, a singular one in Borneo, 392, 
Fluor-spar, phosphorescence of, 171- 
Fresnel, M. his discoveries respecting the inflexion of light, 150. 
G 
Galbraith, Mr, on a table for correcting the sun’s altitude, 3T6. 
Gallesio’s theory of the reproduction of vegetables, 393. 
Gas blowpipe, improvement on it, 186. 
Gases, illuminating power of, 184. 
Gems, method of taking impressions from them in shell-lac, I9L 
Geneva, Lake of, on the depth and temperature of, I07. 
Gerhard on the formation of rocks, 397* 
