holmes] 



ABORIGINAL AMEEICAN" ANTIQUITIES PART I 



221 



Besides the rejectage of nuclei making and the hammerstones 

 ah^eady referred to, a few other varieties of artifacts were obtained 

 on the quarry site. In some of the heaps of refuse were found a 

 number of scraper-like objects (fig. 99), made by taking a long, thick 



Fig. 96. Hammerstones from the obsidian mines of Mexico. (One-half actual size.) 



flake with one smooth, concave side, and removing a few chips 

 around the margin of the wider end on the convex face, giving a keen 

 scraping edge. It is surmised that these were employed in shaping 

 and sharpening the wood and antler tools required in the quarry-shop 



