Index. 383 



Edmonds, Richard, jun., on a bronze furnace, supposed to be Plioe- 



nician, found in Cornwall, 58. 

 Electrical houses in New York, account of, by Professor Loomis, 



225. 

 Emery of Commerce, account of, 318. 

 Forbes, Professor J. D., his sixteenth letter on glaciers, 167 — On 



the alleged evidence for physical connection between stars 



forming binary or multiple groups, deduced from the doctrine of 



chances, 159. 

 Forbes, David, Esq., his chemical examination of purple copper ore 



and copper pyrites, with remarks on their constitution, 278. 

 Forbes, Professor Edward, his account of recent researches into the 



natural history of the British seas, 335. 

 Forests of Madeira, destruction of, 181. 

 Fossil eggs of snakes, in fresh- water limestone, 165. 

 Geysers of Iceland,- observations on, by S. Macadam, 222. 

 Guiana Forests, their miseries and delights, 368. 

 Haidinger, Professor, on the optical properties of a compound of 



iodine and codeine, 122. 

 Henwood, J. W., F.R.S., on the gold deposits of Brazil, 61. 

 Iceland, map of, by the Danish government, account of, 366. 

 Johnston, A. Keith, F.R.S.E., &c., his remarks on the scale 



adopted for the Ordnance map of Scotland, 349, 

 Indian floods, account of, 62 — islands in the Pacific Ocean, their 



physiognomy, by Dana, 217. 

 Light, its velocity considered, by Humboldt, 256. 

 London, statistics of, 378. 



Lyell, Sir Charles, his anniversary address to the Geological So- 

 ciety of London, 1. 

 Macadam, Stevenson, on central heat of the earth, 127 — and on the 



Geysers of Iceland, 222. 

 Magnetic needle, its diurnal movements, by Dr Faraday, 180. 

 Magnetic diurnal variation, probable cause of, by J. A. Broun, 



Esq., 180. 

 Mallet, Wm., Esq., on the minerals of the auriferous districts of 



Wicklow, 82. 

 Mantell, Gideon Algernon, on remains of man and works of art 



imbedded in rocks and strata, 235. 

 Martins, Oh., on the intensity of sound in the rarified air over high 



mountains, 70 — On the striated rocks around Edinburgh, 301. 

 MedussB or jelly fishes, observations on, 85. 

 Meteorology of the Alps, 296. 



Micas, American, their optical characters, by Dr B. Silliman, 339. 

 Nails and hair of man, observations on their increase, 183. 

 Owen, Professor, Syllabus of Lectures on Comparative Osteology, 



329 — On metamorphosis and metagenesis, 268. 



