20 Schwartz & Beevor, Dawn ot Human Intention. 



be recognised, A tool rejected without having been 

 re-sharpened may be said to be in the " first state," after 

 being re-sharpened once in the " second state," and so on. 

 Eoh'thic tools may then be found which have been 

 discarded after use without being re-sharpened, or after 

 having been re-sharpened once, twice, or thrice. 





O 





Fig. 6. 



(72) Implements which are frequently referred to as 

 being " fine specimens " are those in which the re- 

 sharpening has been pushed to the maximum extent 

 possible, and such are the less efficient tools having in 



