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originated in a sharp, long point of flint, of which I have 
found numerous examples. Then sharp edges were found of 
great importance, and they were formed by angular sharp 
sides being chipped the whole length of the long point of 
flint. 
Another very distinct shape was given by chipping notches 
out on both sides of a round point of flat flint, to form a 
separate head, and bevelling both sides of this head in 
opposite directions. 
Others are formed of a triangular sharp point, with another 
point at the reverse end to tit into a handle ; and I have 
found natural flint screws sharpened to form drills, and 
others -chipped crossway to make the screw. 
Long points of flint, chipped carefully into form, were very 
much used, probably for cutting out holes that were too large 
to be drilled out, for mortising, or for punching out old 
wooden pegs. 
I have a great many other tools, of peculiarly good form, 
but they are not represented by modern tools made of metal, 
and the use of them is consequently unknown ; they were 
probably only useful during the period that flint was the 
hardest substance employed for mechanical instruments, and 
to persons in their primitive condition ; but, notwithstanding 
our ignorance of their intention, the fact that they exist with 
so many which we do know the use of, conveys a most 
convincing proof that the people who made them and used 
them were active, intelligent, and persevering, and con- 
tinually improving their resources and condition of life, and 
though their power of applying their genius was limited, 
from not having discovered the method of using metal, still 
whilst flint was in fashion, it was no doubt sufficient for their 
requirements ; and we may conclude that the range of their 
invention was more strictly confined by their moderate 
desires, and the number of their population, than by the 
