462 CONTENTS. 



Page. 



A deposit of agricultural flint implements in southern Illinois. By Chas. Rati - 401 



Notice of the Blackmore Museum, Salisbury, England 408 



Programme of the Holland Society of Sciences of Harlem, 1869 414 



Proerammeof the Imperial Academy of Sciences, Belles Lettres, and Arts,of Bordeaux. 419 

 A brief account of the processes employed in the assay of gold and silver coins at the 



mint of the United States. From the annual report of James Pollock, director.... 422 

 A statement of foreign gold and silver coins, prepared by the director of the mint, to 



accompany his annual report 426 



List of publications of the Smithsonian Institution up to end of 1868, with systematic 



and alphabetical index............ ..*. 429 



