22 



HOFFMANN ON PLATINUM FROM BRITISH COLUMBIA. 



parison with the foregoing (from which it will be remembered the associated gold was 

 separated prior to analysis) : — 



Locality. 



Platinum . . 

 Palladium . 

 Rhodium . . 

 Iridium . • . 

 Copper .... 



Iron 



Gold 



Osmiridium 

 Sand . . 



Oregon , 

 N. America. 



51-45 

 0-15 



0-()5 

 0-40 

 2-15 

 4-30 

 0-85 

 37-30 

 3-00 



100-25 



Australi.a. 



61-40 

 1-80 

 1-85 

 110 

 110 

 4-55 

 1-20 



26-00 

 1-20 



100-20 



California, 

 N. America. 



85-50 

 0-60 

 1-00 

 1-05 

 1-40 

 6-75 

 0-80 

 1-10 

 2-95 



101-15 



Choco, 

 S. America. 



86-20 

 0-50 

 1-40 

 0-85 

 0-60 

 7-80 

 1-00 

 0-!)5 

 0-95 



100-25 



Nischne Tagilsk 

 Ural, Russia, 



76-40 

 1-40 

 0-30 

 4-30 

 4-10 



11-70 

 0-40 

 0-50 

 1-40 



100-50 



