DR. C. B. PLOWRIGHT ON NEOLITHIC MAN IN WEST NORFOLK. 259 
Borers . — These are much larger and coarser than the implement 
to which the term is usually applied, their probable use being to 
bore into the chalk or earth to loosen other stones. One specimen 
is a large, coarse, and clumsy but effective borer (tig. 8) ; it is 
Fig. 8. Haml-borer, made 
from an external flake ; the 
bulb of percussion is observ- 
able on the right-hand upper 
angle. 
Fig. 9. Hand-borer, resembling a 
rough-hewn celt, but bent at an angle in 
the middle. The upper half above the 
bend is cylindrical, the lower, thinner 
with sharp edges. These points do not 
come out well in the figure. 
formed from an outside flake, the original bulb of percussion being 
distinctly visible. At the expanded end it is four inches wide, it 
tapers to a sharp point, and is five and a half inches long ; the 
outer rounded surface fits the palm of the right hand, a natural 
depression receiving the thumb. The boring end has been trimmed, 
botli lengthwise and transversely by about a dozen blows ; the 
point is sharp and chisel-shaped, one side being flat, the other 
roughly semi-circular but angular. Another implement (fig. 9), 
probably of the same nature, looks at first sight like an ordinary 
