CONTENTS. vii 



DECEMBER, 1809. 



Engravings of the following Subjects, (In Two Quarto Plates:) 1. Figures 

 illustrating the Crystallization of Endellion, by the Count de Bournon. 2. 

 Diagrams for a Demonstration of the Cotesian Theorem ; by Mr. P. Barlow, 



I. On Vegetable Astringents. By John Bostock, M. D. Communicated by the 

 Author - - - ~ - - - 241 



II. Memoir on the triple Sulphuret of Lead, Copper, and Antimony, or En- 

 dellion. By M. le Comte de Bournon, F. R. & L. S. - 251 



III. Of the Irritability of Vegetables. By Mr. Robert Lyall, Surgeon. Read 

 at the Literary and Philosophical Society at Manchester, Oct. the 0th, .1809. 

 Communicated by the Author. - - f 261 



IV. Demonstration of the Cotesian Theorem, by Mr. P. Barlow 278 



V. On the Influence of Electricity on Flame: by Mr. Leopold Vacca, Colonel 

 of the 23d Regiment of Light Infantry. - - 283 



VI. Of the Action of Phosphorus and oxigenized muriatic acid Gas on Alkalis-: 

 by Messrs. Bouillon-Lagrange and Vogel. - - 285 



VII. On the Chemical Analysis of the Onion. By Messrs Fourcroy and Vau- 

 quelin. - - - - - 290 



VIII. Abridgment of a Paper on the Species of Carnivorous Animals, the Bones 

 of which are found mixed with those of Bears in Caverns in Germany and 

 Hungary. By Mr. Cuvier. •" - - - 295 



IX. Account of some Colours for Painting, found at Pompeii ; by Mr. Chaptal. 

 Communicated to the First Class of the Institute, March the 6th, 1809. 



302 



X. Remarks on the Introduction of Air into the Blood through the Lungs, in 

 Answer to Mr. Acton. In a Letter from a Correspondent. - 307 



XI. Letter from Mr. Robert Bancks concerning the Meteorological Journal. 



30S 



Scientific News. ----- 309 



Meteorological Journal. , - 32Q 



SUPPLEMENT. 



