VI CONTENTS. 



Proceedings of ihe Imperial Institute of France 151 



Analysis of Chinese Lead 154 



Native Carbonate of Magnesia 155 



Vein of Fibrous Lime-stone in Chalk ibid. 



Electricity from Cloth 156 



Sudden Change of Temperature from Rain ibid. 



Carbonates of Copper 157 



Precipitation of Copper by Iron and Zinc ibid. 



Biographical Notice respecting the Swedish Chemists Hjelms and Ekeberg. 158 



Veins of Tin Ore discovered in France ibid. 



Valuable Chemical Library for Sale at St. Petersburgh ibid. 



New Patents ibid. 



Meteorological Table, June 10 to July 9 159 



NUMBER XXL— SEPTEMBER. 



Biographical Account of Mr. Schecle. By Dr. Thomson l6l 



On the Oxides of Arsenic. By the Same 17 1 



Account of Dr. Wollaston's Scale of Chemical Equivalents 176 



Experiments to determine the Constituents of Azote. By Mr. Miers .... 1 80 



Description and Analysis of Haiiyne. By Dr. Gmelin I93 



Memoir on the Sea Water on the Coasts of France. By MM. Bouillon 



Lagrange, and Vogel 200 



Analysis of Asbestous Actinolite. By Dr. Thomson 209 



■ Several Mineral, Vegetable, and Animal Substances. By Dr. 



John 213 



Memoir on Palladium and Rhodium. By M. Vauquelin 216 



Magnetical Observations at Hackney Wick. By Col. Beaufoy 222 



Critical Analysis of Werner's Nomenclature, with Examples from Objects 



in the Animal, Vegetable, and Mineral Kingdoms ; by P. Syine 224 



Proceedings of the Imperial Institute of France 227 



Notices of Lectures 23 1 



New Application of the Steam-Engine 232 



Composition of the Vegetable Acids ibid. 



New Acids 233 



New Experiments on the Velocity of Sound suggested. By Col. Beaufoy. ibid. 



Queries respecting Tanning 234 " 



Use of Cow-Dung in Calico Printing 235 



New Explosion in a Coal-Mine ibid. 



Volcanic Sand from St. Vincent ibid. 



Graduation of Glass Tubes 23() 



Electroxide ibid. 



Of a Saccharometer ibid. 



Yeast 237 



Annales de Chimie ibid. 



New Patents 238 



Meteorological Table, July 10 to Aug. 7 239 



NUMBER XXIL— OCTOBER. 



Biographical Account of M. Ekeberg 241 



On the Composition of Arragonite 243 



Analogy between the Prismatic Spectrum and the Musical Division of 



Sound. Bv David Huston, Esq 2M 



On the Antilunar Tide. By John Campbell, Esq 237 



On the Rise of Water in ibe Chesswater .Mine. By Mr. J. B. Longmire. 258 

 Experiments to determine the Constituents of Azote. By Mr. Miers, 



concluded 2G0 



