Including the Eujakapui and Yukarchapipi birds?
-----Original Message-----
From: John V Jackson [mailto:jjackson@interalpha.co.uk]
Sent: Wednesday, 4 December 2002 4:49 AM
To: paleonet@nhm.ac.uk
Subject: paleonet Hard Eggs and UPs
I have discovered why birds lay hard shelled eggs, and why they are
never
viviparous.
Also, what UPs are for and why crocs have them.
MX,
JJ