CONTENTS. 



Page 



XI. Abstract of the Journal of the Proceedings of Lieutenant Wilcox, now 



engaged in a Survey of the North.east of Assam. Comnnunicated by a 

 Correspondent in India, • > Vui 



XII. Notice of the Barometrical Measurements of Vesuvius, and the New 



Cone which was formed in the Eruption of February 1822, taken by 

 the Right Hon. the Earl of Minto, - . 68 



XIII. Account of the Habits of the Seft Elephant. By M. Peron, - 7H 



XIV. Magnetical Observations trti the Variation and Dip of the Needle, 

 made during the Voyage of the Coquille from Toulon to Port Jackson, 

 in 1822, 3, and 4. By M. Duperrey, Commander of the Expedition. 

 Communicated by Sir Thomas Makdougall Brisbane, K. C. B. 



F. R. S. London and Edinburgh. (Concluded from No. xii. p. 257,) 75 



XV. On the Remarkable Comet which revolves within the Orbit of Jupiter. 



By M. Damoiseau, ... . 77 



XVI. Account of the Discovery of an almost entire Skeleton of the Fossil 

 Mastodon. By Jeremiah Van Rensselaer, M. D. of New York, 80 



XVII. Observations on the Minimum and Maximum of the Barometer, made 

 during a period of twenty-nine years at Malmanger, and UUensvang in 

 Norway. By Provost Hertzberg of UUensvang, . 83 



XVIII. Account of the death of Mr Drake by the bite of a Rattlesnake, 8^ 



XIX. On the Systems of Double Stars, which have been demonstrated to be 

 Binary ones, by the observations of Sir W. Herschel, and Messrs 

 Herschel and South, ... - 88 



XX. Observations on the properties of some Fish-Oils, and on the utility of 



Chloride of Lime in destroying their putrid odour. By William Da- 

 vidson, Esq. Surgeon, Glasgow. Communicated by the Author, 97 



XXI. A short account of the results of recent Experiments upon the Laws of 

 Light and its Theory. By M. Le Chevalier Fraunhofer, Mem- 

 ber of the Royal Bavarian Academy of Sciences at Munich, - 101 



XXII. Account of Halos and Parhelia observed in America, - 113 



XXIII. Description of Oxahverite, a New Mineral from Oxahver, in Iceland. 



By DAvm Brewster, LL.D. F.R.S. Lond. and Sec. R.S. Edin. 115 



XXIV. Analysis of Oxahverite. By Edward Turner, M.D. F.R.S.E. &c. 

 Lecturer on Chemistry, and Fellow of the Royal College of Physicians, 

 Edinburgh. Communicated by the Author, - - 118 



XXV. On the existence and uses of Cili» in the young of the Gasteropodous 

 MoUusca, and on the causes of the spiral turn of Univalve Shells. By 

 R. E. Grant, M.D., F.R.S.E., Fellow of the Royal College of Physi 

 cians of Edinburgh, and formerly Lecturer on Comparative Anatomy 

 Communicated by the Author, - - . 121 



XXVI. Description of a New Safety Gas Burner. By Mr William War 

 DEN, Engineer to the Edinburgh Portable Gas Company. In a Let' 

 ter to the EDrTOR, - - - 125 



XXVII. On the Gradual Changes which take place in the interior of Cupri 

 ferous Minerals, while their external form remains the same. By Wil 

 LIam Haidingeb, Esq. F.R.S.E. Communicated by the Author, 12G 



XXVIII. Account of the Diamond Workings and Diamonds of Sumbhulpore. 

 By Peter Breton, Esq. Surgeon, Superintendant of the School of 

 Native Doctors at Calcutfci, - - - 134 



XXIX. Notice of some Remarkable Twin-Crystals of Phillipsite. By Baron 

 VoK Beust of Dresden. With Observations by W. Haidingeb, 

 Esq. F.R.S.E. - - - 140 



