CONTENTS. V 



Page 

 On a new Theory of Galvanism, and a new Galvanic Instrument. By 



Dr. Hare. (With a Plate) 176 



On the Construction of Sails. By Col. Beaufoy, F.R.S. (With a Plate) J85 

 Researches on some important Points of the Theory of Heat. By MM. 



Petit and Dulong I89 



On the Herculanean MSS, &c. By J. Murray, Esq I98 



Descriptions of the new Species of Animals discovered by the Isabella in a 



Voyage to the Arctic Regions. By Dr. Leach 201 



On the American Mode of increasing Heat. By J. Murray, Esq 206 



New Results on the Combination ofOxygen with Water. By M.Thenard 2O9 

 Analytical and Critical Account of Chemical Amusement. By F. Accum 210 



Proceedings of the Linnaean Society, May 4, June 1, and 15... 213 



Geological Society, May 7, 21, and June 4 213 



Royal Academy of Sciences 216 



Volatility of Bismuth 229 



On the Alloy of Platinum and Lead. By Dr. Clarke 22g 



Heat produced by the Gas Blow-pipe 230 



Magnetic Iron Ore 230 



On Gauze Veils. By Mr. Murray 230 



Evolution of Carburetted Hydrogen Gas from Coal. By Mr. Murray 23 1 



Pus of Venereal Sores 23 1 



Pulmonary Concretions. By Dr. Prout 232 



Earthy Mass discharged from a Wen. By Dr. Prout 233 



On the Gas Blow-pipe. By Mr. Leeson. (With a Plate) 234 



Larch Tree (Pinus Larix) 235 



Wood in Scotland. 235 



Col. Beaufoy's Astronomical, Magnetical, and Meteorological Observa- 

 tions, for July 236 



Mr. Howard's Meteorological Journal for July 2 



NUMBER LXXXIL— OCTOBER. 



On the Oxides and Salts of Mercury. By Mr. Donovan 241 



On Cyder Making. By the Rev. J. Venables 251 



Remarks on the Structure of the Calton Hill, Scotland ; and on the 



Aqueous Origin of Wacke. By Dr. Webster 254 



Researches on a new Mineral Body found in the Sulphur extracted from 



Pyrites at Fahlun. By J. Berzelius {continued) 257 



On a new Acid produced during the Calcination of Mucic Acid. By M. 



Houton Labillardiere 26'5 



New Details respecting Cadmium. By M. Stromeyer 269 



New Observations on Oxygenated Water. By M.Thenard 274 



On Lasionite and Wavellite. By Dr. Fuchs 276 



On the Chemical Constitution of Acids, Alkalies, and their Compounds. 



By John Murray, M.D. &c 281 



On Ferro-chyazate of Potash, and on the Atomic Weight for Iron. By r A 



R. Porrett, Jun • 295 



