SCRAPERS. 



33 



Fig. 13. Chert scr,^pera. Typical forms. Very slightly reduced. 



But the sci-apers that are well finished show the most 

 wear. In two hundred specimens which were carefully 

 examined, one hundred and twenty-two were rounded 

 on the left edge and one hundred and thirty-three 

 showed wear on the right edge. Twenty-six of these 

 specimens were also worn on the edge of the base. In 

 this whole number only fiftj^-two specimens showed no 

 signs of having been blunted by wear. Of thirty-five 

 roughly finished specimens, twenty-three showed no 

 signs of wear. This indicates a preference among the 

 users for finished tools. Some of the specimens indicate 



