U. S. NATIONAL MUSEUM 



BULLETIN 139 PL. 10 



Baking Slabs of Pottery and Stone 



1. Tetuan, Morocco; 2,3, Soapstoue dish ;md slab, the latter ancient, from California; 4, Stonei 

 for stone boiling. Lower California, Mexico; 5, Pottery tortilla baker, Mexico 



For description of plate see page 40 



