HOLMES] 



FLAKING BY PRESSURE 



81 



moveiiieut of the left, the bone was made to move across the edge of 

 the stone (tigtire 14), in doing whicli- it took with it a tiake, varying 

 in length, width, and depth with the skill and power of the workman, 

 the natnre of the stone, etc. A rapid repetition of this operation, 



Fig. 14— Flaking hy pressure, a boue implement beiD;; nsed. 

 (I tile tioue tool. /* Ibe stone, c tbe Hake. 



accompanied by a proper resetting of the tool, qnickly redncod the 

 piece, if it worked readily, to almost any desired outline. The same 

 result was olttaiued in various other ways, but always by means of 

 suddenly applied or spasmodic pressure. The blank form may have 

 been held down by the fingers on the edge of a stone, as shown in 

 figure 15, and the point of the bone held in the other set so as to 



Fig. 15 — Flaking by pressure, a bone point being u.seil. tbe implement to be 

 .sbaped resting on a support. 



catch the edge of the stone to a width corresponding to that caught 

 by the notched bone in the other position, when aiquick downward 

 pressure upon the flaking tool would remove the flake. Again, in 

 larger work, where greater force was required to remove the flakes, 

 15 ETII 6 



