THE 



EDINBURGH NEW 



PHILOSOPHICAL JOURNAL, 



BXIIIBIXING A VIEW OP THE 



PROGRESSIVE DISCi^VJBRIES AND IMPROVEMENTS 



IN THE 



SCIEXCES AND THE ARTS. 



CONDUCTED BY 



ROBERT JAMESON, 



RXOIUS PROraSSOA of natural history, liBCTURKR ON MINRRALOOY, AND KBBPER OW 

 THE MU8KUM IN THB UNIVERSITY OF EDINBURGH; 



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

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

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

 norary Member of the Asiatic Society of Calcutta ; of the Royal Geological Society of Cornwall, 

 andof the Cambridge Philosophical Society ; of the York, Bristol, Cambrian, Whitby, Northern, 

 and Cork Institutions ; of the Natural History Society of Northimiberland, Dvurham, 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 Mineralogical Society of Jena; of the Royal Mineralogical Society of Dresden; of the 

 Natxural History Society of Paris; of the Phllomathic Society of Paris; of the Natural History 

 Society of Calvados t 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 Promotion of the Mechanic Arts ; of the Geological Society of Pennsylvania, 



OCTOBER 1835.. .APRIL 1836. 



VOL. XX. 



TO BE CONTINUED QUARTERLY. 



EDINBURGH : 



ADAM & CHARLES BLACK, EDINBURGH; 

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



1836. 



