Bone Carvings 161 



complete design appears in Fig. 21. Unfortunately the bone was 

 broken, and a few pieces were not recovered. A small part of the 

 design, the lower central portion, could not be wholly restored. The 



Fig. 60. 

 Bird's Head Carved from Bone. 



restored part is indicated by broken lines. It is difficult, at first, to 

 discover any intelligible design in this medley of lines. A strange mixture 

 of human and animal faces appears in company with circles, ovals, and 



Fig. 61. 

 Bird's Head, Probably a Raven, with a. Pearl Inserted in the Eye. 



other forms. A careful study of the carving, aided by tracings and bv 

 comparison with similar objects from the great mound, shows that an 

 elaborate mask, or a combination of masks, is represented. The mask 



