  $\mathcal{N}=2$ supersymmetric $Spin(n)$ gauge theory admits hypermultiplets
in spinor representations of the gauge group, compatible with $\beta\leq0$, for
$n\leq 14$. The theories with $\beta<0$ can be obtained as mass-deformations of
the $\beta=0$ theories, so it is of greatest interest to construct the
$\beta=0$ theories. In previous works, we discussed the $n\leq8$ theories.
Here, we turn to the $9\leq n\leq 14$ cases. By compactifying the $D_N$ (2,0)
theory on a 4-punctured sphere, we find Seiberg-Witten solutions to almost all
of the remaining cases. There are five theories, however, which do not seem to
admit a realization from six dimensions.
