378 



INDEX. 



Silver ores reduced by the method of 



Becquercl, 222 

 Solar light, on a new analysis of, 197 

 Specific heats of metals determined by 



Mr Potter, 75 — observations on them, 



2(15 

 Sterns, round, prize offered respecting 



them, 282 

 Stirling, Mr James, some account of, 



191 

 Taylor, Mr J., on the respiratory organs 



and air-bladder of certain fishes of the 



Ganges, 33 



Temperature of the Pole, 17 

 Vanadiate of lead, a new mineral, 1C7 

 Vanadium, the new metal discovered in 

 Scotland, 1C6 — process for obtaining 

 it, 318 — its properties, 319 

 Vitrified forts, on the theory of, 285 — 



cairns in Orkney, 309 

 Witham, Mr, on the microscopic struc- 

 ture of fossil vegetables, 183 

 York, notice of a scientific meeting to be 

 held at, 181 







NOTICE TO CORRESPONDENTS. 



Mr Marshall's Meteorological Observations, though in types, and other com- 

 munications, have been again unavoidably postponed. 





EDINBURGH : 

 PRINTED BY JOHN STARK, 



Old Assembly Close. 



