Lotus wrote in message
...
"Oz" wrote in message
...



Or is that too simple?

Yup, Purdey's hypothesis' are very convincing. See;
http://www.purdeyenvironment.com/Med%20Hyp%202nd.htm

only if you don't actually look at the facts.

A lot of work has been done since Mark Purdey put forward his hypothesis
and he has rather been left behind in a lot of areas.


--
Jim Webster

"The pasture of stupidity is unwholesome to mankind"

'Abd-ar-Rahman b. Muhammad b. Khaldun al-Hadrami'