382 Index. 
attend a change in the level of the African and South Ameri- 
can continents, 92. 
Daubrée, M., on the artificial production of minerals, 307. 
D’Urele, on a new invention for increasing the produce of autumn 
wheat, 376. 
De Serres M. Marcel, the old world compared with the new world, 
by, 250. 
Earthquake indicator, 367. 
Electrical currents, generation of, noticed, 84, 
Essays, prize, proposed by the Society of Sciences at Haarlem, list 
of, 305. 
Ellet, Prof. W., notice of a natural deposit of saltpetre, by, 367. 
Fishes, Californian, described, 214. 
Flax, progress of its cultivation in Ireland, 182. 
Flourens, M., biographical notice of Marie-Henri Ducrotay Blain- 
ville, by, 193. 
Food, the relative values of different kinds, 189. 
Forbes, Professor Edward, on the manifestation of polarity in the 
distribution of organized beings in time, 332. 
Professor Edward, anniversary address delivered by, at the 
Geological Society of London, 1854, 99. 
Forests, cypress, age of, 373. 
Geology, present state of, as shown in Sir R, Murchison’s work, 
Siluria, 313. 
Geography, 183. 
Gill, Mr, on the palolo, 144. 
—— Mr, on the tides in South Pacific, 148. 
Gulf Stream, discovery of a bank in connection with, 177. 
Harkness, Professor, description of coal, by, 66. 
Halibut fishing station noticed, 176. 
Health, influence of occupation upon, 165. 
Hydrology, 177-178. 
Icebergs of Polar Seas noticed, 176. 
Johnston, Dr George, on the botany of the eastern borders, 325. 
Iron, its condition noticed, 179. | 
Ice, middle, position of whale-fishing ground, 177. 
