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Re: Gastroliths (Psittacosaurus)

For those of you who would like to see a cluster of gastroliths within the ribs
of a _Psittacosaurus_ specimen, I direct you to a photograph on page 18 of Dr.
David Norman's _Dinosaur!_ (published by Prentice Hall of Simon & Schuster, 
1991, Hardcover edition, ISBN 0-13-218140-1).  It shows a detail of the skeleton
with its prominent collection of pebbles.  The photograph is credited to David
Norman, but the specimen is not identified by number or institution.

-- Ralph W. Miller III       gbabcock@best.com