EXPLANATION OF PLATE 11 



Figs. 1, 4. Flint Scrapers. 



(Gilt. No. 99885, U.S.N. M. Dorchester, England. Thomas Wilson.) 



Figs. 2, .S. Rude Flint Picks. 



(Cat. No. 139107. U.S.N.M. Prehistoric mines at Grimes Graves, Brandon, Suttblk, 

 England. Edward Lovett.) 



Figs. .5, (5, 8. WoKKED Flint Flakes (tiue). 



(Cat. No. 99870, U.S.N.M. Dorchester, England. Thomas Wilson.) 



Fig. 7. Rude Chipped Hatchet or Chisel. 



(Cat. No. 139072, U.S.N.M Prehistoric mines at Grimes Graves, Brandon, Suffollj, 

 England. Edward Lovett.) 



