\begin{table}%t4
      \caption{\label{tab4}Statistics of the polar angle distribution of galaxies in the total sample
      and subsamples. See text for an explanation of the columns.}
   \small%\centering
\par
         \begin{tabular}{lccccc}
            \hline\hline
          Sample  & number & K-S  &  Kuiper-V  &   $\Delta_{11}$/$\sigma$($\Delta_{11}$)  &  $P(>$$\Delta_1$)   \\
                       \hline
            total    & 323 & 0   & 0   & --0.08  & 0.906  \\
            S+S0     & 53  & 0   & 0   & --0.24  & 0.836  \\
            RV1      & 73  & 1   & 1   & --1.25  & 0.203  \\
            RV2      & 88  & 0   & 0   & --0.37  & 0.887  \\
            SL       & 83  & 0   & 0   & --0.38  & 0.814  \\
            BL       & 240 & 0   & 0   & --0.27  & 0.753  \\
            M1       & 98  & 1   & 1   & +1.24  & 0.154  \\
            M2       & 76  & 0   & 0   & --0.08  & 0.784  \\
            HX       & 216 & 0   & 0   & --0.83  & 0.460  \\
            IR       & 38  & 0   & 0   & --0.42  & 0.815  \\
                    \hline
         \end{tabular}
     \end{table}