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other specimen, a fragment of a pebble, consist of incised lines making 
up what appears to be part of a pictograph on the obverse (figure 15) 
and a curved line on the reverse. 
Examples of incised work are more numerous on bone and antler. 
Incised lines forming two parallel V- or wigwam-shaped figures, with 
hatching between, and some faint incisions, show on the obverse of the 
object of unknown use (Plate XIX, figure 20). This object is a section 
of curved antler, nearly circular in cross-section and cut off nearly square 
at each end. On the reverse are traces of incisions suggesting a similar 
figure. Faint, nearly parallel, short incisions, almost notches, arranged 
in four nearly parallel longitudinal rows and running transversely in 
two of the rows, but slightly at an angle in the other two, can be seen 
on the basal end of the awl-like object, made of a piece of one end of 
a long bone (figure 16). These cover the lower end for about one-third 
the length that the object probably had before the point was broken off. 
Apparently there were other rows now obscured by wear and decay, but 
the work is somewhat irregular and there may not have been a regular 
arrangement of rows of incisions covering the area. Possibly, but not 
probably, these were made to facilitate fastening the object firmly in a 
shaft for use as an arrow or harpoon. Five similar rows, made up of short 
parallel notches or hacks, show on the object made of bone (figure 17). 
Both ends are broken off, but the object, apparently, is an awl or a point 
for an arrow or spear. The hacks were made from the smaller end towards 
the larger, which would naturally be the way if they were intended to 
hold the object from pulling out of a shaft, but they may have been purely 
ornamental. A row of nearly circular pits extends along both edges of 
the peculiar object made of antler (figure 18), except for less than a quarter 
of an inch on the convex side near the point and both sides of the base, 
which is broken off. A groove may be seen on both sides, extending from 
slightly nearer the point than the middle to within about three-quarters 
of an inch of the broken base. 
Notches across the front edge may be seen on a fragment of a harpoon 
point made of antler from the prehistoric cemetery, Cat. No. VIII-B-679. 
The regular notches across the ridge on the fragments of three burned 
harpoon points made of bone found in the prehistoric cemetery (Plate VII, 
figures 1, 2), although useful as barbs, may possibly have been considered 
as aesthetic; but the notches must surely have been merely utilitarian. 
Six sharp, transverse incisions, besides a long, duller cut parallel with 
the lower edge, may be seen on the perforated object made of bone or 
antler on Plate XIX, figure 19, which is probably a rocking stamp for 
ornamenting pottery, or possibly a pendant. A row of much worn or de- 
cayed notches, each longest crosswise, covers all but the upper end of the 
long edge; and a row covers the opposite edge, except at the upper end, 
but the notches in this case are more like transverse hacks. Transverse 
notches or incisions, hacked from the obtuse end of the edge towards the 
acute one, show clearly on the lower edge. A longitudinal incision extends 
along all but the upper part of the back edge of a fragment of a small harpoon 
point made of bone (Plate VI, figure 20). Two parallel incisions extend 
along each of the sides, near the back edge; but the second groove is farther 
from the tip, especially on one side. Notches, which slant slightly, cross 
