U. S NATIONAL MUSEUM 



BULLETIN 149. PLATE 32 





(1), Chondroidal Forms in Nepheline basalt, hussenberges. West- 

 phalia. (After Rinne); (2). Pseudochondritic Forms of Olivine in 

 PERiDOTiTE, Raton, n. Mex. 



For explanation of plate see pages 54 and 55 



