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Grab a plate.

The plates on Stegosaurus and the fleshy, domed skulls on pachycephalosaurs could certainly have been for recognition, but not the kind of recognition cited in the article comparing it to teen fashion ("Just for Frills?" SN: 8/13/05, p. 103). Isn't flashy recognition often a sign that says, "Don't eat me because I am poisonous"? There may have been enough noxious secretions in those dinosaur decorations for a creature even as dumb as a tyrannosaurus to learn from one bite never to do it again.

ROBERT H, KEITER, JOHNSON CITY, TENN.

Could the dinosaurs' plates be for camouflage? They might help them to blend into flora or a rocky landscape.

LISA A. MCLOUGHLIN, NORTHFIELD, MASS.
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Title Annotation:LETTERS
Author:McLoughlin, Lisa A.
Publication:Science News
Article Type:Letter to the Editor
Date:Oct 15, 2005
Words:116
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