CONTENTS. V 



Page 



Analysis of Barley. By M. Proust 201 



On Lacroix's Differential and Integral Calculus. By J. Adams, Esq 204 



Account of the Weather at Bombay 209 



On Improvements in the Manufacture of Superfine Woollen Cloth. By 



Thomas Gill, Esq 212 



On Triple Prussiate of Potash. By R. Porrett, Jun. Esq 214 



Account of Prof. Smith's Collection of Plants in the Neighbourhood of the 



River Zaire 217 



Analytical Account of the Geological Transactions, Vols. III. and IV. 



{concluded) 221 



Proceedings of the Royal Academy of Sciences, May 4, 1 , and 18.... 225 



Notice of Lectures 226 



Remarks on the Tails of Comets. By H. Flaugergues 227 



Biographical Notice of Dr. Wistar 228 



On Metallic Alloys obtained by Means of Galvanism. By Prof. Brugna- 



telli ibid. 



Chemical Researches on the Pellitory of Spain. By M. Gautier. . . .' 229 



On the Linear Flow of different Liquids through Capillary Tubes of Glass. 



By M. Girard 230 



Analysis of the Chenopodium olidum. By MM. Chevalier and Lasseigne 231 

 Experiments on the Bilberry, and on the Method of detecting extraneous 



Colours in Red Wine. By M. Vogel 232 



On the Combinations of the Phosphuretted Hydrogenous Compounds. By 



M. Houton Labillardiere 233 



On Mr. Tritton's distilling Apparatus 234 



Parhelion and Parhelia, seen at Gosport. By W. Burney, LL.D 235 



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

 tions for July 236 



Mr. Howard's Meteorological Journal, July 25 to Aug. 22 239 



NUMBER LXX.— OCTOBER. 



Biographical Notice of M. Senebier , 241 



On the Combustion of Alcohol by the Lamp without Flame. By J.Dal- 



ton, Esq 245 



On the Spiral Oar. By Col. Beaufoy, F.R.S 246 



On an Annular Eclipse of the Sun, Sept. 7, 1820. By F. Baily, Esq. 



{concluded) 249 



On Fatty Bodies, and their Combinations with Alkalies. By M. Chev- 



reul (concluded) 257 



On Sorbic Acid. By M. Rraconnot 2<J0 



On Sorbic Acid. By M. Vauquelin C93 



On the colouring Constituent of Roses. By E. D. Clarke, LL.D. {con- 

 tinued) 296 



On Improvements in Printing. By Thomas Gill, Esq 300 



Analytical Account of Dr. Henderson's Journal of a Residence in Iceland. 301 

 Notices of Lectures 309 



