# Counter examples of cell complex

I'm reading "Memento on cell complexes" and the following is supposed to be a counter example of a cell complex because $e^1$ is not homeomorphic to the open segment:

To me this looks like a deformed disk and is therefore homeomorphic to $D^2$. Why is $e^1$ not homeomorphic to the open segment? Or is it missing a second black dot to denote touching of $e^1$ at 12 o'clock?

Also, I don't see why the following isn't a cell complex either. The boundary of $e^2$ maps into $X^1$. The inductive construction of a cell complex requires exactly that.

It looks like in $C_4$ the cell $e^1$ is intended to touch itself and enclose the tear drop. In $C_5$ the labeling indicates that there is only one $0$-cell and two $1$-cells and $e_{2}^1$ is attached in the middle of $e_{1}^1$ which is not allowed. –  t.b. Sep 2 '11 at 11:14
OK, so in case one, there should indeed be another black dot. And in case two, the entirety of $\partial e^2$ should be mapped, not just one dot on it! Thanks for your help! –  Rudy the Reindeer Sep 3 '11 at 9:46