INDEX. 
417 
Electrical Phenomena observed at sea, 35. 
Electro-magnetic experiments made in the University of Utrecht, 167- 
Elmo , St, on the fire of, 35. 
Embryo , on the organs of the, in vascular plants, 270. 
Enckes comet, rediscovery of, 193, 391, — new elements of, 3QL 
Entomology , progress of, in Sweden, 407* 
Etching on glass by fluoric acid, 411. 
Euchlorine-gas condensed into a liquid, 381. 
Eulers letters to a German Princes, 205. 
F 
Faraday , Mr, on the condensation of gases into liquids, 198.* 881. — on 
hydrate of chlorine, 198. 
Fleming , Dr, his gleanings of natural history on the coast of Scotland, 
248. 
Fluids , on two new ones in the cavities of minerals, 94, 400. — on the 
effect of heat and pressure on certain ones, 1 99 * 
Foramen central e discovered in reptiles, by Dr Knox, 358. 
F rauenkofer , M., on the refraction and dispersive power of different 
kinds of glass, 288.™ on the lines which cross the spectrum, 2 9 b. 
G 
Gases condensed into liquids, 1 98 — on the Condensation of them into 
liquids, 381. 
Gay Lussac, M., his reflections on volcanoes, 278. 
Geognosy of Brazil, 200. — of Madeira and Porto Santo, Si 5. 
Geology, comparative, of the south of France and Germany, 128. 
Glass , on the refractive and dispersive powers of different kinds of, 
288. 
Gmelin > Dr, on a black mineral from Candy in Ceylon, 384. 
H 
Hail shower, account of a remarkable one, 194. 
Hamilton, Dr Francis, on a map by a native of Dawas, 228* 
Harvey, Mr G., on the slave population of North America, 63.-— on 
the formation of mists and the deposition of dew, 255. 
Haussman, Professor, on the structure of the Appennines, 153. 
Haiiy, Abbe, his experiments on double refraction, 148. — his collec- 
tion of minerals, 404. 
Herbert, Lieut., on the heights of the peaks of the Himalaya, 312. 
Hermelin , Baron, biographical notice of, 325. 
Hindostan , population of the cities of, 206*. 
Himalaya Mountains, on the height of the snowy peaks of the, 312. 
Hodgson, Captain, his journey to the source of the Jumna, 7 .—-on the 
heights of the Himalaya, 312. 
Hoppe, Dr, his tour to the Adriatic, &c., 82, 341. 
Horse, on the defective vision of the, 393. 
Hot-springs at Jumnotri, 18. 
Hudson’s Bay, geognostical structure of the countrv from it to the 
Polar Sea, 372. 
Hulls, Jonathan, description of his steam-boat, invented in 1736, 274. 
Human fossil remains, 202. 
Humboldt, M., on petrifactions, 20. 
VOL. IX. NO. 18. OCT. 1823. 
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