TRANSACTIONS 



OP THE 



ROYAL SOCIETY 



OF 



EDINBURGH. 



VOL. XLIX. 



EDINBURGH : 



PUBLISHED BY ROBEET GEANT & SON, 107 PEINCES STEEET, 

 AND WILLIAMS & NOEGATE, 14 HENEIETTA STEEET, COVENT GAEDEN, LONDON. 



MDCCCCXIV. 



