Kay Peterson wrote:
>
> How can one tell that the holes in these shells are made by humans
> using tools?  They look very similar to dead shells found on a
> beach-----which could, of course, be collected for the purpose of
> stringing.

* sometimes one wonders if the desire for academic status among those
who infer 'symbolic thought' from such trace evidence isn't a more
powerful motivation than the desire for status they infer among the
ancient thinkers of the inferred symbolic thought.

fred.
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           Bishops Mills Natural History Centre
Frederick W. Schueler, Aleta Karstad, Jennifer Helene Schueler
      RR#2 Bishops Mills, Ontario, Canada K0G 1T0
   on the Smiths Falls Limestone Plain 44* 52'N 75* 42'W
     (613)258-3107 <[log in to unmask]> http://pinicola.ca
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