\begin{table}%t1
%\centering
\par
\caption{Evolution of the properties
of the voids and black holes features derived from our model using
the data in El-Ad \& Piran (\cite{El-Ad:1997af}).}\label{t1}
\begin{tabular}{ccccc}
\hline \hline
     Volume  & under-density & initial time & initial CBH masses &final CBH  masses\\
        $10^{3}$~Mpc$^{3}$& $\delta$ & $ h^{-2/5} \times 10^{12}$~s &  $ \Omega h^2\times10^{16}~M_\odot$ &  $\Omega h^2\times10^{16}~M_\odot$ \\
      \hline
\par
      84.9 & --0.89 &0.78 & 1.90&  2.11\\
      93.9 & --0.87 & 0.74 & 2.01&  2.28 \\
      119.0& --0.93 & 1.29 & 2.88 &  3.08\\
      24.0 &--0.91 & 0.42  & 0.56&  0.61\\
      22.6 & --0.94 & 0.53 & 0.56&  0.59 \\
      17.4 & --0.92 &  0.37 & 0.41&   0.47\\
      8.8 & --0.91 &  0.23 & 0.20& 0.22\\
      11.4 &  --0.95 & 0.39 & 0.29& 0.30\\
      31.1 & --0.86 & 0.36  & 0.65& 0.74\\
      22.4 &  --0.69 & 0.16  & 0.33& 0.43\\
      41.5 & --0.88 & 0.48  & 0.91& 1.02\\
       8.8 & --0.97 & 0.46  & 0.23& 0.24\\
      10.7 &  --0.74 & 0.12  & 0.17& 0.22\\
      \hline
    \end{tabular}
\end{table}