Plate 130 



Certain types of balls, hammers, mullers, and smoothers, xy 2 . 

 i, Pompey, spheroidal; 2, ball with opposed pits, Glens Falls; 3, biconcave 

 hammer, Erie co. ; 4, heavy hammer or muller, Elbridge ; 5, quartzite hammer, 

 \\ est Rush ; 6, polished smoothing sione or game stone, Brasie Corners, St 

 La\vrence co. 



