228 BUREAU OF AMERICAN ETHNOLOGY [Bull. 189 



TECHNOLOGICAL AND ARTISTIC ACr/y/TF— Continued 

 Chipped-stone Complex — Continued 

 Scrapers — Continued 



End scrapers — Continued 



Small planoconvex end scrapers 



Large flake end scrapers 



Small flake end scrapers 



Flat end scrapers 



Thumbnail end scrapers 



Beveled retouched edge end scrapers 

 Type 1 

 Type 2 



Triangular end scrapers 



Slightly modified nodular end scrapers 



Trapezoidal end scrapers 



End scrapers with left carinate, tyi^e 3 



End scrapers veith right carinate, type 4 



End scraper-graver combinations 



Modified end scrapers 

 Side scrapers : 



Small flake side scrapers 



Medium flake side scrapers 



Large flake side scrapers 



Double edged side scrapers 



Triple edged side scrapers 



Prismatic flake side scrapers 



Lunate side scrapers 



Side and concave side scrapers 



Pointed side scrapers 



Modified side scrapers 

 Ovoid bifaces 

 Biface choppers 

 Knives 



Burinlike implements 

 Burin 



Perforators or gravers 

 Lamellar flake tools 

 Ground and pecked stone tools Complex: 

 Anvil stones 

 Rubbing stones 

 Paint stones 

 Grooved mauls 

 Catlinite 

 Belemnite 

 Pumice abraders 

 Sandstone abraders 

 Arrowshaft straighteners 

 Grooved ax 

 Handstones 

 Utilized pebbles 

 Hematite and other paint substances 



