>In a message dated 97-07-23 11:15:38 EDT, you write:
>
><< At the times in question the Sahara was a temperate climate, possibly
> much like the American Midwest. My major objection is that dung beetles
> rule Africa, and all piles likely to grow mushrooms will not remain
> intact long enough to do so. An elephant dump turns into a sheet about 2
> inches thick within 48 hours, and vanishes in about a week. Shroom
> mycelium incubation to fruiting takes 2 weeks minimum.
> >>
>
>Thats interesting, the only thing that can be said is maybe dung beetles
>werent around 100,000 years ago. The theory is that mushrooms grew in
>shorter and shorter supply until there was none left, maybe this is due to
>the dung beetle.
>
Hey now *there's* a thought! Does anyone here know enough biology/ecology
to comment?
>
Guru George