284 BUREAU OF AMERICAN ETHNOLOGY [Bull. 176 



missing is triangular, with straight sides and two side notches. Maxi- 

 mum length is 2.5 cm. ; width, 1.6 cm. ; thickness, 4.0 mm. (No. 82) . 



End scrappers {3). — These specimens are snub-nosed scrapers. A 

 steep working edge is on the end opposite to the bulb of percussion. 

 The form is plano-convex, with retouch along the sides. Material is 

 Knife Kiver flint (chalcedony). They average 3 cm. in length and 

 2.2 cm. at their widest points (Nos. 77-79). 



Modified flakes (2). — Two flakes of Knife Eiver flint have some 

 secondary retouch along one or more edges, with some evidence of use 

 retouch (Nos. 80,83). 



Choppers (2). — One of these is complete; length, 23.5 cm.; width, 

 13.0 cm. ; thickness, 1.5 cm. It is rectangular in outline, with parallel 

 sides and rounded corners. A side notch is on both sides of the blade, 

 and one end is chipped and battered. Material is granite (No. 192) 

 (fig. 24, d). The other specimen is broken, but resembles the pre- 

 ceding item. Three sides are chipped and battered; the fourth is 

 broken. Material is gray schist (S.I. 31). 



Grooved mauls (.^). — Three specimens are three-quarter grooved, 

 and one large fragment bears a groove, but is not complete enough 

 to show the extent of the groove (No. 8). Two specimens are grooved 

 at the midpoint, and vary in length from 9.0 to 10.4 cm., and between 

 7.0 and 8.0 cm. in width (Nos. 53-54) (fig. 24, &). A larger specimen 

 is 10.7 cm. long and 8.5 cm. wide, and bears a groove two-thirds of the 

 distance from one end. Material is granite (No. 219) . 



Hammerstones (3). — These are rounded river cobbles. Two of 

 them are circular; the other is ovoid. All are battered on one or more 

 sides. They are of granite and quartzite (Nos. 50, 59, and 185). 



Whetstones and abrading stones {17). — Two rounded scoria frag- 

 ments have worn surfaces and are similar to scoria abraders found in 

 native village sites along the Missouri Eiver (Nos. 9, 242). Seven 

 pieces of sandstone and shale in flat, but irregular form, have abraded 

 surfaces (Nos. 2, 5, 6, 7, 10, 189, and 190). A piece of petrified wood 

 (No. 58), a piece of granite (No. 52), and six pieces of rounded, con- 

 cretionary sandstone were apparently also used for whetstones (Nos. 

 4, 49, 51, 55, 56, and 245) (pl.64,fi?). 



Pottery sherds {2). — These are body sherds 5 mm. thick, tempered 

 with grit. Both specimens show the impressions of a grooved pad- 

 dle. The stamps are partially obliterated by smoothing. Color is 

 dark gray and black (No. 122) . 



Miscellaneous hahed clay items (3). — An elongated specimen of 

 baked clay preserves the impressions of grass stems ; this is probably 

 a piece of chinking from a stick chimney or one of the log cabins (No. 

 191). A circular ball of baked clay is l^ inch in diameter (No. 208). 

 A thin oval object of baked clay has a surface that has impressions 



