U.S. NATIONAL MUSEUM PROGEEDIINGS? VOE. 92) PEATE, 3S 
1. Freda meteorite: Kamacite arranged in octahedral pattern. Picral etching. 
100. 
Dey oy SAR hehe 
Be Ns Nae ae 
~~! Re RR BENS 
Stee » = ~e ¥.* 
AN ~ 
2. Invasion of oxide into the kamacite. Picral etching. > 100. 
