260 ContrihdioTi towards the assaying of Coins. 



they contained silver or lead, and then to precipitate the 

 copper by iron : the other part I employed in order to dis- 

 cover the zinc. 



The following Greek coins were subjected to analysis 

 according to tiie preceding- methods. 



I. GREEK COINS FROM MAGXA GRECIA AND SICILY. 



No. 1. A Syracusan coin of king Hiero. On the one 

 side the head of a young man, ornamented with a diadem : 

 and on the reverse a horseman with a couched lance, and 

 the inscription 'hiM>o;. The metal had a red colour, in- 

 clining to pale yellow, was exceedingly brittle, and on the 

 fracuu-e fine grained and dull. The coin weighed 267 grains, 

 and consisted of 



Copper - - - 233 grs. 



Lead - - _ OQ 



Tm _ _ . 13 



Iron - - _ 1 



267 



No. 2. A Syracusan coin also. On the one side the head 

 of Apollo : on the reverse the Delphic tripod, with the in- 

 scription, llvcay.ortKv. The metal was pale yellow, brittle, 

 on the fracture fine grained and dull. It weighed 7-1 grains, 

 and the component parts were : 



Copper - - 6l| grs. 



Lead - - - s" 



Tin _ - _ 44. 



No. 3. A Neapolitan coin. On the one side a head of' 

 Apollo, Ornamented with a laurel crown: on the reverse a 

 minotaur, crowned by victory, hovering over it. The sub- 

 scription NsocTrcAjrcfv.' The metal was merely pale yellow, 

 exceedingly brittle, fine grained, and of a steel gray colour 

 on the fracture. It weighed 78 grains, and contained 



Copper - - - 54 grs. 



Lead - - - 17 



Tin - _ - 7 



78 



No. 4. A coin of the Centuripini. On the one side a 

 head of Jupiter Tonans, with a bushy beard, ornanicntt;xJ 



• ' with 



