184 BUREAU OF AMERICAN ETHNOLOGY [BULL. 65 ° 
The original form of both seems to have been produced by burning 
and was presumably accidental; both, however, exhibit much wear 
on their edges as if they had been used in pounding on some hard 
yet somewhat yielding material. As we found quantities of beaten 
and shredded grass and cedar bark in the caves, we think it possible 
that these pieces, with their convenient handgrips, might have been 
employed as pounders. 
Worked slab (fig. 91, 6); this is of cottonwood, 114 inches long 
and about three-eighths inch thick; one side is slightly convex, the 
other concave. Top, bottom, and sides retain marks made by the 
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Fic. 91.—Wooden objects. 
rough stone rubber with which it was shaped. There are no indica- 
tions of wear by service. The specimen might have been a lapboard, 
or even possibly a last for shaping moccasin soles. 
End of wooden implement (pl. 84, 1); present length 14 inches. 
It is made of very heavy, tough, close-grained wood, perhaps moun- 
tain mahogany. The end and shaft are carefully worked. It is 
probably the handle of a digging stick or possibly part of a club. 
Unfinished (?) implement (pl. 84, 2); length 144 inches. The 
bark has been removed from a portion of this stick and the surface 
