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In a message dated 8/19/01 10:31:13 PM EST, qilongia@yahoo.com writes:

<< Manal digits? I thought the argument was about how "digits" could
 not re-evolve, not pedal digits. But anyway ... given the number of
 count in more basal animals aside from the Iguanodontia, as Mickey
 points out, other dinosaurs do tend to reduce phalangeal count ...
 so, curiously, with *Iguanodon* and *Ouranosaurus*, manal phalanges
 from a basal condition _do_ increase in count. The same can be
 applied to the pes. >>

It's possible but not proved. That was the contention.