 h ^ { 2 } _ { i } = h ^ { 2 } \equiv \frac { 2 } { r } ,\narwhal \frog\dog\left\langle S_{z}\right\rangle _{-}=\langle \overline{z}_{-}\overline{z}%_{-}\Psi ^{--}\left( x;\tau \right) \left| \frac{1}{2}\left( \overline{z}_{+}%\frac{\partial }{\partial \overline{z}_{+}}-\overline{z}_{-}\frac{\partial }{%\partial \overline{z}_{-}}\right) \right|