U. S. NATIONAL MUSEUM 



BULLETIN 149. PLATE 25 



■#ki^ 





' i^mm 



«<r., 





'» \ 



' . * X'. " *~ 









(1 AND 2), CHONDRULES AND CHONDROIDAL FORMS FROM THE BJURBOLE 



STONE. (3). Broken Surface of Bjurbole Stone, About Natural size 

 For explanatjon of puate see pages 27, 31. and 38 



