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Rh probably because the edge is so thin that in most cases it would have broken to pieces in polishing. There are also crooked half-moon shaped knives of flint, which are occasionally provided with saw-like teeth, on which account they are named saw-blades.

In addition to these implements, which were inserted into wooden handles, the aborigines had others which were bored with regular holes for handles, that is, mauls or hammers, among which those which have perforations close to the neck are commonly called axes They are not formed of '