68 



BUREAU OF AlVIERICAN ETHNOLOGY 



[Bull. 182 



/NCHES 



Figure 4. — Types of racloirs: a. End bulb type with acute angle; h, prepared striking plat- 

 form; f, prepared striking platform on endlbulb type; d, oblique bulb pointed; e, acute 

 angle type;/, end bulb type. (Arrow marks the position of the bulb of percussion.) 



