frLINT KNIVES. 



39 



edge, the other edge being a frarture iiu-lined at a higli 

 angle to the flat side. Only tlu-ee of these had the 

 chipped edge worn ; one of them was broken. The form 

 suggests an adaptation of an accidentally formed chip 

 for easily obtaining a tool with a long edge. 



FLINT KNIVES. 



Some of the flint imple- 

 ments which have a partic- 

 ularly sharp edge, may 

 properly be called knives, 

 as they wei'e probably used 

 for cutting. These are made 

 of thin flakes which are 

 more straight and usually 

 longer than the scrapei s 

 (Fig. 14, nos. 1, 2, 3, 4, 

 5, and Plate III, flg. 1, 2, 

 3, 4, 6). In a lot of fifteen 

 none exhibited the rounded 

 blunted edges commonly 

 seen among the scrapers. 

 By proper effort and care 

 they can yet be used to 

 cut off stems of shrubs and 

 small branches of trees. 

 One of these knives shows 

 a considerable amount of 

 skill and care by the 



Fk;. 15. A perfect IHut knife. 



