210 EOLITHIC IMPLEMENTS FROM THE PLATEAU
A frequently occurring modification of the scraper is an
instrument corresponding to the modern spokeshave. In this
the modified edge instead of being either convex or straight, is
concave. The concavity may range in shape and size from a
small semicircle—such as was probably employed for scraping
pieces of wood or bone into the form of pins—to comparatively
large and slight curves—such as would be used for scraping any
rounded surface.
Fig. 2. Scraper with knob of flint left as handle, (Actual size.)
The double form of concave-edged scraper shewn in fig. 3, is
very characteristic of this period.
Figure 4, represents a neat little spokeshave in my collection.
One might at first be inclined to think that the use of so large a
piece of flint in manufacturing so small an implement was a