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Re: More Holtz on the origin of birds



In a message dated 95-12-08 02:17:45 EST, Thomas_R_HOLTZ@umail.umd.edu
writes:

>I would suggest that the arms of these theropods were NOT folded to increase
>speed, but were instead folded for use in a praying mantis-like grasping
>system.

How about this:  they were folded to prevent them from banging into the knees
when the animal ran.  A good test, of course is whether this (arm-folding) is
true of other long-armed, fast moving theropods.

Derek Smith.