Smithsonian Report, 1957. — Stewart 



Plate 6 



Upper: Photomicrograph of portion of edge of oval opening in skull XII-B-1556 from 

 Boundary Bay, British Columbia-Washington. This portion of the opening is located 

 at the upper left of the view in plate 4, lower. Note open diploe and striations on outer 

 table. Lower: Photomicrograph of another part of the edge in the same opening. This 

 portion of the opening is located at the top of the view in plate 4, lower. Note open 

 diploe and striations in triplicate suggestive of rodent tooth marks. (Photograph courtesy 

 of National Museum of Canada.) 



