THE 



EDINBURGH NEW 



PHILOSOPHICAL JOURNAL, 



EXHIBlXISr& ATatiW OF THE 



PROGRESSIVE DISCOVERIES AND IMPROVEMENTS 



IN THE 



SCIENCES AND THE ARTS. 



CONDUCTED BY 



ROBERT JAMESON, 



REGIUS PROFESSOR OF NATURAL HISTORY, LECTURER ON MINERALOGY, AND KEEPER OF 

 THE MUSEUM IN THE UNIVERSITY OF EDINBURGH i 



Fellow of the Royal Societies of London and Edinburgh ; of the Antiquarian, Wemerian and Horti- 

 cultural Societies of Edinburgh ; Honorary Member of the Royal Irish Academy, and of the Royal 

 Dublin Society ; Fellow of the Linnean and Geological Societies of London ; Honorary Member 

 of the Asiatic Society of Calcutta ; of the Royal Geological Society of Cornwall, and of the Cam- 

 bridge Philosophical Society ; of the York, Bristol, Cambrian, Northern, and Cork Institutions ; 

 of the Natural History Society of Northumberland, Durham, and Newcastle; of the Royal So- 

 ciety of Sciences of Denmark ; of the Royal Academy of Sciences of Berlin ; of the Royal Aca- 

 demy of Naples ; of the Imperial Natural History Society of Moscow ; of the Imperial Phar- 

 maceutical Society of Petersburgh ; of the Natural History Society of Wetterau ; of the Mine- 

 ralogical Society of Jena ; of the Royal Mineralogical Society of Dresden ; of the Natural His- 

 tory Society of Paris ; of the Philomathic Society of Paris ; of the Natural History Society of 

 Calvados; of the Senkenberg Society of Natural History ; of the Society of Natural Sciences and 

 Medicine of Heidelberg ; Honorary Member of the Literary and Philosophical Society of New 

 York ; of the New York Historical Society ; of the American Antiquarian Society ; of the Aca- 

 demy of Natural Sciences of Philadelphia ; of the Lyceum of Natural History of New York ; of 

 the Natural History Society of Montreal, S^c. Sfc. 



JULY... OCTOBER 1830. 



TO BE CONTINUED QUARTERLY. 



EDINBURGH : 



PRINTED FOR ADAM BLACK, NORTH BRIDGE, EDINBURGH 



AND LONGMAN, REES, ORME, BROWN, & GREEN, 



LONDON. 



1830. 



