On Tue, 14 Mar 2006 04:26:01 -0500, Keith Thomas <[log in to unmask]> wrote:

  The sort
> of
> bone inventory you suggest is difficult as most cave sites, for example,  
> have
> been contaminated with bones left over from carnivores who used the caves
> for their meals after the humans had departed.

/my bad. Wasn't thinking.
They would have eaten small (lemming-size) creatures whole, and the bones  
are completely digestible.

William