PLATE XXI. 
Lewy rye 
Ca PHA, 
Fio. 6. 
eries of specimens from the Neolithic quarry at Spiennes (near Mons, Belgium.) 
A. Results. pie thin blades worked toward a point. 
B. Results. Chipped Celts—Round oog edge peers 
a. ; dies out forms M towar Blocked out forms tending toward class D. 
j. Hammerstones an oate masses, ‘arent ladoteriaiuabiN often resembling the ruder forms from Abbeville, 
American pe refuse, aod. Toníon specimens. 
pe mri er e 
