4 PEOCEEDINGS OF THE NATIONAL MUSEUM Vol. 72 



No platinum was detected, as the amount of material furnished 

 was insufficient for a satisfactory test. 



An etched surface shows the iron to be a medium octahedrite, the 

 content of nickel places it with the rodeo group. 



DESCRIPTION OF PLATES 



Plate 1 

 Two views of the Bolivian meteoric iron in the Oanfield Collection. 



Plate 2 

 Upper: Meteoric iron from Seneca Township, Michigan. 

 Lower: Etched slice of Bolivian meteoric ii-on shown in plate 1. 



o 



