They are of a circular flattened form, from five to six inches in diameter, with a hole passing quite through the centre.

It has generally been supposed that they were used as heads to clubs, although their form does not appear at all well adapted for that purpose.

Burchell states that some of the tribes in Southern Africa dig up roots by the aid of a stick pointed at one end, the force and weight of which are increased by a round stone with a hole in it, into which the other end is firmly wedged.

(12/3.

Burchell's "Travels" volume 2 page 45.) It appears probable that the Indians of Chile formerly used some such rude agricultural instrument.
One day, a German collector in natural history, of the name of Renous, called, and nearly at the same time an old Spanish lawyer.
I was amused at being told the conversation which took place between them.