442 Index. 



Egerton, Sir Phillip, his systematic and stratigraphical catalogue 



of fossil fishes, 216. 

 Egyptians, their knowledge of the manufacture of glass, porcelain, 



and false stones, 101. 

 Erman, extract of his letter to Arago upon the temperature of the 



ground in Siberia, 204-, 

 Euphotide rocks, 296. 



False stones, manufacture of, as known to the Egyptians, 101. 

 Feminescence, observations on, by Dr Mehliss, 277. 

 Fox, W. Esq. F. G. S., on the lamination of clay by electricity, 196. 

 Fluor-spar, its discovery in the Ord of Caithness, by R. H. Cun- 

 ningham, 430. 



Gsea Norwegicaof Keilhau, notice of, 215. 



Geological Society, annual address to, by Professor Whewell, 1 40. 



Geology, descriptive, progress of, 146. 



Geological dynamics, progress of, 158. 



observations made in European Turkey, 174. 



instructions, prepared by Elie de Beaumont for the French 



Scientific Expedition to the North of Europe, 292. 

 Geology of the Zahara Desert, 428. 



of the moon, observations on, by Beer andMadler, 288. 



Geographical and geological observations on European Turkey, 174. 



Glaciers of Spitzbergen, account of, 314. 



Glass, manufacture of, as known to the Egyptians, 101. 



Goring, Charles, M.D.,on achromatic eye-pieces of spy-glasses, 859. 



Granite, theory of, and other massive rocks ; together with that of 



crystalline slate, 80. — of Rapakivi, observations on, 206. 

 Ground, frozen, depth of, in Siberia, 417. 



Hausmann, Professor, his account of a great bed of fossil infu- 

 soria, 384. 

 Heat, subterranean, 202. 

 Hoff'mann, Professor, his biography, 1. 

 Human life, the probable duration of, by Dr Caspar, 350. 

 Hydrophobia, in Mohammedan Countries, observations on, 430. 

 Hypersthene, rocks, observations on, 294. 



Iceland, its revolutions, political and natural, 324. 



Infusoria, fossil, beds of, 305. — Hausmann's account of Ja great 



bed of, 384. 

 Ink, indelible, by Dr Traill, 213. 

 Ireland, brief view of the botany of, 874. 



Jan Mayen Island, account of, 316. 



Johnston, Dr George, his History of British Zoophytes, noticed, 

 436. 



Keilhau, Professor, his theory of granite, 80. — -concluded, 263. — his 

 Gaea Norwegica, 215. 



Land, progressive rise of, above the level of the sea, 300. — gradu- 

 al sinking of the land in Scania, 301. 



