CONTENTS 



OF THE 



EDINBURGH JOURNAL OF SCIENCE. 

 No. XII. 



Page 

 Art. I. Memoir of the Life and Writings of M. Piazzi, Director General of 



the Observatories of Naples and Palermo, ... 193 



II. Account of the Fossil Remains in the neighbourhood of Harborough. 

 By the Reverend James Layton, in a Letter to Dawson Turner, 

 Esq. Yarmouth. Communicated by Mr Turner. With Figures, 199 

 III. On the Relative Compressibilities of different Fluids at High Tempera- 

 tures. Ry H. C. Oersted, Professor of Natural Philosophy in the 

 University of Copenhagen, F. R. S. Lond. and Edin. and Correspondent 

 of the Institute of France. In a Letter to Dr Brewster, - 201 



I W On the Communication of Magnetism to Steel, by the direct white light 

 of the Sun. By M. A. Baumgartner, Professor of Natural Philo- 

 sophy at Vienna, .... 202 

 V. On the Modes of Division of Vibrating Bodies. By M. Felix 



Savart. With a Plate, - - - 204 



VI. Contributions to Physical Geography, - - 209 



1. Account of the Conflagration in the Quicksilver Mines of Idria, 210 



2. Account of the Journey of the American Missionaries to the Volca- 

 no of Kirauea, - - - - 212 



3. Account of the Effects of the Earthquake of the 19th November 

 1822, in the Gold Mine of El Bronce, - . ~ - 218 



4. Account of the Lake of Ybera, formed by infiltration from the River 

 Parana. By M. Azara, - - - 219 



5. Account of the Cavern of Planina, in Carniola, - - 220 



6. Account of the Lake of Zirknitz supplied by Subterranean Streams, 223 



VII. Description of an Instrument for Measuring the Comparative Expansi- 



bility of Metals and other Solid Bodies. By Mr James Nasmyth. 225 



VIII. Observations on the Mean Temperature of the Earth at Sydney, made 

 in the years 1824 and 1825. Communicated to the Editor by Sir 

 Thomas Makdougall Brisbane, K.C.B. F.R.S. L. and E. 22G 



IX. Account of a Voyage to Madeira, Brazil, Juan Fernandez, and the Gal- 



lipagos Islands, performed in 1824 and 1825, with a view of examin- 

 ing their Natural History. By Mr Scouler. Communicated by the 

 Author, (Continued from Number xi. p. 73.) - 228 



X. On the separation of Epistilbite from Heulandite, as demonstrated by op- 



tical characters. By David Brewster, LL.D. F.R.S., &c. 236 



XL Account of the Failure of the Suspension Bridge at Paris. By John Ro- 



bison, Esq. F.R.S. Edin. In a Letter to the Editor, - 240 



XII. Observations on the Bones of Hyenas and other Animals in the Cavern of 



Lunel, near Montpellier. By the Rev. W. Buckland, D. D, 242 



XIII. Observations made at Port Macquarie, Van Dieman's Land, for the 



J 



