THE 



EDINBURGH NEW 



PHILOSOPHICAL JOURNAL, 



PROGRESSIVE DISCOVBRTEr AND IMPROVEMENTS 



IN THE 



SCIENCES AND THE ARTS. 



CONOUCTED BY 



ROBERT JAMESON, 



AJCeiUS FROrsSSOR or natural history, LKCTURBR on mineralogy, and KEKPfeB 0# 

 THB MU8BOM IN THE UNIVERSITY OF EDINBURGH; 



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

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

 Dublin Society ; Fellow of the Royal, Llnnean and Royal Geological Societies of London ; Ho- 

 norary Member of the Asiatic Society of Calcutta } of the Royal Geological Society of Cotnwall, 

 and of the Cambridge PhUosophical Society ; of the Yorlc, Bristol, Cambrian, Whitby, Northern, 

 and Cork Institutions; of the Natural History Society of Northumberland, Durham, and New- 

 castle ; 'of the Royal Society of Sciences of Denmark ; of the Royal Academy of Sciences of Berlin ; 

 of the Royal Academy of Naples ; of the Imperial Natural History Society of Moscow ; of the 

 Imperial Pharmaceutical Society of Petersburgh; of the Natural History Society of Wetterau; 

 of the Mlneralogical Society of Jena ; of the Royal Mineralogical Society of Dresden ; of the 

 Natural History 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 Academy of Natural Sciences of Philadelphia ; of the Lyceum of Natural History of New 

 York, of the Natural History Society of Montreal; of the Geological Society of France; of the 

 South African Institution of the Cape of Good Hope ; of the Franklin Institute of the State of 

 Pennsylvania for the 1-rdmotion of the Mechanic Arts ; of the Geological Society of Pennsylvania, 

 4c. Sfc. 



APRIL. ..OCTOBER 1836. 

 VOL. XXI. 



to BE CONTINUED QUARTERLY* 



EDINBURGH : 



ADAM & CHARLES BLACK^ EDINBURGH; 

 LONGMAN, REES, ORME, BROWN, GREEN & LONGMAN, LONDON. 



1836. 



