TRANSACTIONS 
OF THE 
ROYAL SOCIETY OF EDINBURGH: 
Vou. VIII. 
NUN 
(i 
Wil 
EDINBURGH, 
PRINTED FOR ARCHIBALD CONSTABLE & CO. AND FRANCIS PILLANS ; 
AND FOR 
CADELL AND DAVIES, STRAND, AND JOHN MURRAY, ALBEMARLE STREET, 
LONDON. 
1818. 
