ARROW-SMOOTIlENfiRS. 55 



such pieces were found to fit together endwise by their 

 fractured surfaces, while one of them liad its sides con- 

 siderably more worn than the other (Fig. 27). These 

 implements are pieces of sandstone of suitable size and 



.Fig. 25. Arrow-smootheners made from sandstone. Tbe upper specimen shows the typical form. 



The lower specimen is perhaps a piece of an arrow-straightener. The grooves run out before 



reaching the end of the stone. Slightly reduced from the natural size. 



shape for being- held in the partly closed hand. They 

 have one or more longitudinal grooves on one or 

 several sides. It may be that the arrow-shafts were not 

 the only objects ground on these stones, for the grooves 

 are not always round. Some of the grooves have deep- 



