I split into two sections.
Also, in the beginning of this section, Circle Limit III is a rough example to use because the white lines are not actually geodesics. I took out the paragraph that said they are. I'm not sure we should lead with that at all, because I think the saddle and hyperbolic paper should come before the Poincare disk model. On the other hand, it's nice to get Escher in the picture right away.
I question the inclusion of the upper half space and Klein models. What purpose are those sections serving except to confuse the students? I'd rather have a main section on the Poincare disk, and possibly and optional second section on other models. But it has to have more meat in it than these two snippets - there's not even a good picture of upper half space to show the various geodesics. Bryan 12:40, 15 November 2010 (CST)