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Re: origin of bats/reply 2 to TMK



Well, no -- entirely aside from the tree issue, the digit even
without a feather, can operate as a 'snag' (a vortex generator), thereby serving much the same purpose as an alula.Â<<<

Touche.  Any computations as to how effective?


Scott Hartman Science Director Wyoming Dinosaur Center 110 Carter Ranch Rd. Thermopolis, WY 82443 (800) 455-3466 ext. 230 Cell: (307) 921-8333

www.skeletaldrawing.com


-----Original Message----- From: jrc <jrccea@bellsouth.net> To: dinoboygraphics@aol.com Cc: dinosaur@usc.edu Sent: Mon, 23 Jun 2008 12:20 pm Subject: Re: origin of bats/reply 2 to TMK


Well, no -- entirely aside from the tree issue, the digit even without a feather, can operate as a 'snag' (a vortex generator), thereby serving much the same purpose as an alula.Â
JimCÂ
Â
----- Original Message ----- From: <dinoboygraphics@aol.com>Â
To: <ptnorton@suscom-maine.net>; <david.marjanovic@gmx.at>; <dinosaur@usc.edu>Â
Sent: Monday, June 23, 2008 11:57 AMÂ
Subject: Re: origin of bats/reply 2 to TMKÂ
Â
If you assume that archie landed in trees, then it sure seems like it
had > _better_ have an alula, Â