28 



BUREAU OF AMERICAN ETHNOLOGY 



[Bull. 189 







cm. 



Figure 4. — End scrapers and knives. 



widths from 15 to 28 mm. The working edge is rounded to straight in 

 43 specimens (fig. 4, a). In 19 specimens, it is skewed with respect to 

 the long axis, sloping from the lower left up to upper right (fig. 4, &) . 

 In 16 specimens, the blade slopes down from upper left to lower right 

 (fig.4,c?). 



