CONTENTS 



OF ' 



THE QUARTERLY JOURNAL, 



N«. XXX. 



ART. PAGE 



I. An Account of the Eruption of Vesuvius, in October, 1822. 



By G. PouLETT SoROOPE, Esq. (TFith a Plate). . 175 



II. On Mineral Veins. By J, Mac Culloch, M.D., F.R.S. 183 



III. Description of the Great Bandana Gallery, in the Turkey Red 

 Factory of Messrs. MoNTEiTH and Co., at Glasgow . 209 



IV. Lamarck's Genera of Shells. (IFith Plates). . . 216 



V. On the Native Country of the Wild Potato, with an Account 

 of its Culture in the Garden of the Horticultural Society ; and 

 Observations on the Importance of obtaining improved Va- 

 rieties of the cultivated Plants. By Joseph Sabine, Esq. 

 F.R.S., &c 259 



VI. Observations on the Project of taking- down and rebuilding 

 London Bridge ........ 267 



VII. Estimate of the Force of Explosion of Coal Gas ; laid before 



the Committee of the Royal Society in the year 1814 . 278 



VIII. 6n the Crystalline Forms of Artificial Salts. By M, Lew. 

 Communicated by the Author 282 



IX. Historical Statements respecting Electro-Magnetic Rotation. 

 By M. Faraday, Chemical Assistant in the Royal Institu- 

 tion S88 



X. Proceedings of the Royal Society 292 



XI. Progress of Foreign Science .... 294 



