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Re: Integument of Tyrannosaurus and other questions
Another reformulated e-mail address; I think there will be three other
messages from Demetrios that were kicked back to me rather than
distributed. Anyhoo, number one:
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Date: Thu, 21 Jun 2001 10:55:02 CDT
From: Demetrios M Vital <email@example.com>
Subject: Re: Integument of Tyrannosaurus and other questions
I have three queries:
One. HP Holtz and others mentioned from the Armour Symposium a while back
that tyrannosaurs may have been truly naked skinned. How is this
reconciled with the news of mosaic scales form a tyrannosaur tail?
Assuming the animal is naked skinned, how would there be keratinous growth
on cranial rugosities, like the nasals? Would this look like a human's
Two. Who coined the phrase "abscence of evidence is not evidence os
abscence"? Was it HP Holtz? I have used it often, and now friends in
psychology and various other scholarly enterprises use the phrase often.
Its spreading, and I don't think they realize it originated in paleontology
(assuming it did). Did it originate here?
[ FWIW, I'm pretty sure I saw it in talk.origins years before the
dinosaur list was created, so no; it didn't originate here -- MPR ]
Three. Can someone explain to me, or show me where an explanation is, of
the scutes = feathers hypothesis put forth by Zhou et al.? I would
especially appreciate responses to this last question.
Anyone can reply off-list, if they like.
Thanks in advance for any responses.
- -Demetrios Vital
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