flexible horizontal ridge - correction

[wa105@mead.anglia.ac.uk]

Chris wrote:

> > I remember seeing in a few dinosaur pictures (I'm afraid I can't cite any 
specific ones) a 
> > horizontal ridge running from shoulder to hip...
>
>A few sauropods, notably Rebbachisaurus and Amargasaurus had 
>elongated vertebrae that are often portrayed as looking like this.

Oops, I should have said 'running from the point where the foreleg leaves the 
body to where the hindleg leaves the body'.  So not vertebrae.  The skin folds 
that Ralph Miller and David Krentz mentioned sound like they're what I mean.

        Sorry for forgetting how high up quadrupeds' limb girdles are,

                                                                        Bill