306 



Y. KOGA & O. YAMAGATA. 



Table. V. 



Showing the results of assays by the new method 



on coins whose compositions have been 



accurately determined. 



The assays of granulated dips taken from (he melted mass of a 

 large number of coins, which had been individually assayed by this 

 method, also «hew a close approach to the average of the individual 

 assays. In melting, special care was taken to cover the metal with 

 powdered charcoal. 



