NO. lO NEBRASKA ARCHEOLOGY STRONG 23I 



occur rarely in all levels. A few broken obsidian artifacts occur in 

 level III. Chipped artifacts will be considered for each level, com- 

 mencing with the uppermost and latest horizon (III). The statistics 

 on the occurrence of chipped points, according to types and segregated 

 by levels (I-III), is given in table 3 (p. 90). Since this distribution 

 is one of the most significant as regards the stratification at the site, 

 this table and diagram (fig. 7) should be carefully studied. In the 

 illustrations (pis. 24, 25) an attempt has been made to figure all the 

 types by levels roughly in the proportion of their occurrence. 



From level III come 249 artifacts classified as chipped points. Small 

 (average length about 2.5 cm) projectile points of a triangular, thin 

 and delicately chipped type (NBa, table 3) are most numerous (80) 

 (pi. 24, fig. I, h). Next most abundant (53) is another small delicate 

 form (NBai) with two side notches and a straight base (pi. 24, 

 fig. I, ^). A similar small type with a concave base (NBbi) supple- 

 ments this last class (32) (pi. 24, fig. i, p.). These are typical upper 

 level (III) arrowpoints, which preponderate numerically and do not 

 occur save as aberrant forms in the lower levels. The sixteen NAb2 

 points from level III are larger and, in most cases, are typical of level 

 I. where they were probably picked up by level III people. The same 

 is true generally of the eight NAbi and the four NAB3 type points 

 from level III (pi. 24, fig. i, 0, n). Similarly, the three SCb2 and the 

 three SCb3 points (pi. 24, fig. i, /, in) are of the characteristic level II 

 type and probably originated there, being carried into level III by the 

 later peoples. The other small types scantily represented in level III 

 (table 3) are numerically insignificant. The large ovoid type (NE) is 

 really a side scraper (pi. 24, fig. 1, e) of irregular but generally ovoid 

 form. There are 39 NE artifacts from level III. Some of these may 

 have been carried up from the lower levels. 



A characteristic level III type is the beveled, diamond-shaped knife 

 (pi. 24, fig, I, /). There are five specimens of this type (NCa), all 

 from level III. Much more abundant (78) are planoconvex flake knives 

 (pi. 24, fig. I, b). These range from large (11 cm long) planoconvex 

 types with one side carefully retouched, to small (2 cm long) flakes 

 with merely a use retouch. The majority of these pieces look sus- 

 piciously like those from level I, with the same wide range of minerals 

 represented and the small, abrupt retouch on the sides. Level III 

 yielded 62 planoconvex end scrapers, the majority being rather large 

 (pi. 24, fig. I, c, d). Of these, 42 have the back retouched, 15 are 

 rough, and 5 are retouched and stemmed. The preponderance in level 

 III of ovoid, planoconvex, end scrapers with a neatly retouched back 

 (pi. 24, fig. I, c) is undoubtedly significant. However, all the stemmed 



