114 



Gold is much more scarce in Cornwall than in Ireland. 



The Irish specimen spoken of in Phil. Trans, was found to 



contain 



Of Fine Gold 2-l§ 



Fine Silver 1£ 



Alloy Copper and Iron 



^ 



24 



Other specimens differ a little j and thus, if we may judge- 

 by the outer aspect, the reddest probably contains most 

 copper and iron, and the whitest most silver. More silver 

 seems to give a greenish tinge to gold : the little lowest left" 

 hand figure has that tinge. 



