INDEX. 
407 
UOhssotis analysis of chondrodite, 388. 
Douy Mr David, on Azalea, &c., 47- 
Earthquake j account of one at Zante,^19^j^at Inverary, 191* Cele- 
bes, 402. { y . j 1 • -i. 
Eclipse of the sun on the 7th September, observations made during it 
by Dr Traill, 1 67.— ditto by the Chevalier Burg, 174. 
Eggs preserved 300 years, 402. 
Electricity by contact, observations on its production, 32. 
Electro-magnetic experiments, by MM. Van Beek, Van Rees, and 
Moll, 83, 220. 
Electro-magnetic apparatus, by Mr Faraday, 179* 
Erineum, monograph of the genus, 71* 
Eudyalitey analysis of, 392. 
Expedition, Arctic Land, account of the progress of the, 314. 
Explosion, on the spontaneous, of chlorine and hydrogen, 180. 
Eye, on the insensibility of the, to certain colours, by Dr Butter, 138. 
Fahlunite, analysis of, 392. 
Faraday, his new electro-magnetic apparatus described, 178, 224, Note. 
Fire, methods of kindling it on the Sandwich Islands, I90. 
Fhra Scotica, observations on Dr Hooker’s, 145. 
Fluor-spar, on the made crystallisations of, 376. 
Fogs of the Polar Seas, observations on them, by Mr Scoresby, 118. 
Fresnel, M, on a new property of the ordinary ray of crystals, 379. 
Fruit- gatherer, account of a new one, 297. 
G 
Galileo’s claim to the invention of pendulum-clocks refuted, 210. 
Gas, new method of applying it to the illumination of private houses, 
299. 
Gases, Mr Haycraft, on the specific heat of the, 371. 
Giesecke, Sir Charles, on Cryolite, 141. 
Gilding, on the factitious used in India, 290. 
Gladstone, Mr, his method of propelling steam-boats, 295. 
Glass, on the manufacture of, 193. 
Gold, on the oxides of, 11. 
Goldie, Mr, on some new and rare plants from Canada, 319. 
Gmelin, Professor C. G., on the production of electricity by contact, 32. 
Greville, Mr R. K., his monograph of the genus erineum, 71. 
Grotthus on the meteoric stones of Courland, 389. 
H 
Ha^ \ner, Mr, his method of making white-lead and verdigris, 296. 
Ha//, Professor, on an extraordinary darkness, 266. 
Hamilton, Dr Francis, on a map of the country between the Erawadi 
and Khiaenduaen Rivers, 107.— on a map by a Slave to the Heir- 
apparent of Ava, 270. 
Harriot’s MSS. account of, 313. 
Harts, Messrs J. and R. their method of lighting clocks with gas, 192, 
