 \partial_{\mu}e_{\nu}^{a-}-\partial_{\nu}e_{\mu}^{a-}+\omega_{\mu\,b}%^{a}e_{\nu}^{b-}-\omega_{\nu\,b}^{a}e_{\mu}^{b-}-2e_{\mu}^{a-}b_{\nu}+2e_{\nu}^{a-}b_{\mu}=0,  \skunk \rabbit \turtle \owl\crocodile \rhino \hen \rat