56 



BULLETIN OF THB 



The 'Trade Dollar — its value in Gold and in Greenbacks. — 

 A word as to the trade dollar. The trade dollar contains of 

 silver, of the usual standard of fineness of nine-tenths, 420 grains 

 troy; its weight is, therefore, 16.2791 times that of the gold 

 dollar. 



Its value as bullion when gold is worth seventeen times silver 

 of the same weight, is 95.78 cents. Its price in the market, 

 mainly owing to its demand for Oriental circulation, is from 9t 

 to 98 cents gold, or about 2 cents in advance of its value aa 

 bullion. 



TABULAE STATEMENT. 



In the following tabular statement, the dollar of silver bullion, 

 and the dollar of silver coin, are each assumed to be 25 grammes- 

 of silver of the fineness of nine-tenths — the same with regard to 

 quantity and fineness, as that of the legal silver currency (frac- 

 tional) of the Fnited States : — 



Prices — June 5, 1875. 



The gold price of $100 in greenbacks, is 

 The gold price of $100 in silver bullion, is . 

 The gold price of $100 in silver coin, is from 



Consequently — 

 The greenback price of $100 in gold, is 

 The silver bullion price of $100 in gold, is 



The silver coin price of §100 in gold, is 



i from 



to 



Also— 

 The greenback price of $100 in silver bullion, is 



i from 



to 



Greenback price of $100 in silver coin. 



Also — 

 The silver bullion price of $100 in silver coin, is- 

 The silver bullion price of $100 in greenbacks, is 



Mr, T. N. Gill read a paper on 



THE PROGRESS OE THE NATURAL SCIENCES DURING THE PAST 



CENTURY. 



[This is published at length in Harper's Monthly Magazine, February, 1876.). 



