BUREAU OF AMERICAN ETHNOLOGY 



BULLETIN 189 PLATE 24 



i 



w 



^ d e f y h 



Mill 



I 



I « i i A 



P ^^q r s t 



A 



4 \ 



e f 



k I 



i J 



I i 4 4 



B 



J, B, Microblades and lamellar flake knives. 



