416 Index. 



Sedimentary rocks of Cornwall, observations on, by Sir Roderick 

 Impey Murchison, 33. 



Separation of silica from plants, 189. 



Shell cameos, observations on, 191. 



Smelting by electricity, 192. 



Society of Arts of Scotland, prizes offered by, for 1847-8, 198. 



Stereochromy, observations on, 193. 



Storms in the southern hemisphere, 106. 



Stokes, Charles, Esq., F.E,.S., &c., remarks on some corals obtained 

 from great depths in the Antarctic Ocean, contained in a letter 

 to Captain Sir James C. Ross, R.N., &c., 258. 



Sulphato-chloride of copper analysed, by Professor Connell, 243. 



Tea, important information regarding its cultivation in the valley 



of the Dhoon, in N. W. India, 170. 

 Trade-winds and hurricanes, observations on, by Robert Lawson, 



Esq., 364. 

 Turkey-buzzard, or John-crow vulture, account of, 90. 



Vampire bats, account of, 188. 



Vapour, plane of, in the atmosphere, its height, 400. 



Volcanoes, active, in the arctic and antarctic regions, 398. 



Water, its colour, considered, 88. 



Waves, height of, 403. 



Wilson, George, M.D., lecturer on chemistry in Edinburgh, on the 



decomposition of water, by platinum, and the black oxide of 



iron at a white heat, 244. 

 Winters, mild, in England, 401. 



Zoophytes, their geographical distribution, 41. 



END OF VOLUME FORTY-THREE. 



EDINBUllGIl: 

 PRINTED BT XKft,L AND CyjirANY, OLD FIPHMAKKET. 



