Re: 11th specimen of Archaeopteryx

[Tim Williams <tijawi@gmail.com>]

Michael Habib <MHabib@chatham.edu> wrote:

> Yes, if there is an inboard gap then it acts as an additional wingtip.  If 
> the gap is sufficiently large, this will produce a large jump in
> induced drag and may lead to flow separation from the wing.  The severity of 
> these costs depends on the size and shape of the
> inboard gap, as well as the speed at which the wing is moving.



Although it seems likely that _Archaeopteryx_ lacked tertials, what
about _Jeholornis_ and _Confuciusornis_?  I've heard that
_Confuciusornis_ had tertials (i.e., remiges attached to the humerus),
but haven't been able to find this in the literature.  Does anyone
know?






Cheers

Tim