CONTENTS. iii 



PACK 



Hooker, Botanist to the Geological Survey of the 

 United Kingdom, . . . \ _ 362 



XII. On the Coal Formation recently found in the Marem- 

 ma of Tuscany. (Extracted from a Notice of M. 

 PiLLA, Professor in the University of Pisa.) By 

 M. L. Frapolli, • . . . . 369 



XIII. Synopsis of Meteorological Observations made at White- 



haven, Cumberland, in the year 1847. By John 

 Fletcher Miller, Esq., .... 374 



XIV. On the Asteriadfe found Fossil in British Strata. By 



Edward Forbes, Esq., F.R.S., Professor of Bo- 

 tany in King's College, London, Palaeontologist 

 to the Geological Survey of the United Kingdom, 379 



XV. Miscellaneous Observations on the Centipede (Scolo- 

 pendra morsitans), and on the large Land Snail 

 of the West Indies (Helix ohlonga). By John 

 Davy, M.D., F.R.S. London and Edinburgh ; 

 Inspector-General of Army Hospitals. Communi- 

 cated by the Author, . . . . .383 



XVI. Oxydation of the Diamond in the Liquid Way. By 

 Professor R. E. Rogers and Professor W. B. 

 Rogers, University of Virginia, . . . 388 



XVII. List of Prizes by the Royal Scottish Society of Arts, 



for Session 1848-49, ..... 389 



XVIII. Scientific Intelligence : — 



METEOROLOGY AND HYDROLOGY. 



1. Researches on the Constitution of the Atmosphero. 

 2. An Account of some Observations niaile on the 

 Depth of Kain which falls in the same localities at 



