TRANSACTIONS 
OF THE 
Po yar SO LET Y 
EDINBURGH. 
VOL. XXVII. 

EDINBURGH: 
PUBLISHED BY ROBERT GRANT & SON, 54 PRINCES STREBRT. 
AND WILLIAMS & NORGATE, 14 HENRIETTA STREET, COVENT GARDEN, LONDON. 
MDCCCLXXVI. 
