60 



STONE MALLETS. 



EXPLANATIONS TO PLATE V. 



Fig. 1. 

 Imperfectly shaped small mallet, made 

 of local Dakota sandstone. 



Fig. 2. 

 Perfectly formed mallet, made from a 

 hard ferruginous sandstone of un- 

 known locality. 



Fig. 3. 

 Large, old and worn maUet, made of 

 limestone. 



Fig. 4. 

 Perfectly formed mallet, made from a 

 hard ferruginous sandstone or quartz- 

 ite. Probably not much used. Pick- 

 marks are still to be seen on the sur- 

 face. 



Reduced to slightly less than one half the natural size, 



