\begin{table}%t4
\par
\caption{Velocity dispersion values adopted in the correction of line-strength indices.\label{table4}}
%\centerline
{\small{
\begin{tabular}{lcccllcccl}
\hline\hline
\multicolumn{1}{l}{Ident.} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/8}$} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/4}$} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/2}$} &
\multicolumn{1}{l}{Ref.} &
\multicolumn{1}{l}{Ident.} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/8}$} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/4}$} &
\multicolumn{1}{c}{$\sigma_{r_{\rm e}/2}$} &
\multicolumn{1}{l}{Ref.} \\
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{[km~s$^{-1}$]} &
\multicolumn{1}{c}{}\\
\hline
% & & & & & & &  & &  \\
NGC 128   &183& --  & --  &      & NGC 3962  &225&  --   & --    &       \\
NGC 777   &317& 272 & 266 & JS89 & NGC 4552  &264& 226 & 214 & SP97b  \\
NGC 1052  &215& 179 & 179 & FI94 & NGC 4636  &209& 202 &     & CMP00  \\
NGC 1209  &240& 195 & 178 & PS98 & NGC 5077  &260& 239 & 228 & CMP00  \\
NGC 1297  & 115& --  &  -- &      & NGC 5328  &303&   -- &  -- &       \\
NGC 1366  & 120& --  &  -- &      & NGC 5363  &199& 181  & 148 & S83   \\
NGC 1380  &240& 220 & 198 & DO95 & NGC 5846  &250& 228  & 190 & CMP00 \\
NGC 1389  & 139&  -- & --  &      & NGC 5898  &220& 183  & 172 & CMP00 \\
NGC 1407  &286&  -- & --  &      & NGC 6721  &262& 245  & 171 & B94 \\
NGC 1426  &162*& 157 & 121& PS97a& NGC 6868  &277& 235  & 220 & CMP00\\
 & & & & & & & & &    \\
NGC 1453  &289&  -- &  -- &      & NGC 6875  & --&  --  &  -- &    \\
NGC 1521  &235& 236 & 206 & PS98 & NGC 6876  &230&  --  &  -- &    \\
NGC 1533  &174&  -- &  -- &      & NGC 6958  &223& 171  & 137 & L98  \\
NGC 1553  &180& 142 & --    &L98,R88&NGC 7007  & 125&  --  &  -- &  \\
NGC 1947  &142& 142 & 142 &BGZ92 & NGC 7079  &155& 125  &  85 & BG97 \\
NGC 2749  &248& 221 & --  &JS89  & NGC 7097  &224& 234  & 196 & C86 \\
NGC 2911  &235&  -- & --  &      & NGC 7135  &231*& 239  & --  & L98 \\
NGC 2962  &197& 168 & 119 & PS00 & NGC 7192  &257& 247  & 266 & CD94  \\
NGC 2974  &220& 170 & 130 & CvM94 & NGC 7332  &136& 127  & 116 & SP97c\\
NGC 3136  &230& 180 &     & KZ00 & NGC 7377  &145&  --  &  -- & \\
 & & & &  & & & & &  \\
NGC 3258  &271& 313 & 264 & KZ00 & IC 1459   &311& 269  & 269 & FI94 \\
NGC 3268  &227& 155 &  -- & KZ00 & IC 2006   &122& --     & --    & CDB93\\
NGC 3489  &129& 116 & 115 & CMP00& IC 3370   &202& 146  & 127 & J87  \\
NGC 3557  &265& 247 & 220 & FI94 & IC 4296   &340& 310  & 320 & S93  \\
NGC 3607  &220& 210 & 195 & CMP00& IC 5063   &160& --   &  -- &     \\
\hline
\end{tabular}}}
\par
\medskip
{\bf Notes}:  The average central value, obtained from the on-line compilation
HYPERCAT ({\tt http://www-obs.univ-lyon1.fr/hypercat/}), is adopted for
$\sigma_{r_{\rm e}/8}$. Values at $\sigma_{r_{\rm e}/4}$ and
$\sigma_{r_{\rm e}/2}$ velocity dispersion values are obtained from references
quoted in Cols.~5 and~10. Legend: DO95~= D'Onofrio et~al. (\cite{Do95});
SP97a = Simien \& Prugniel (\cite{SP97a}); SP97b = Simien \& Prugniel (\cite{SP97b});
PS97 = Prugniel \& Simien  (\cite{PS97}); PS00~=~Prugniel \& Simien (\cite{PS00});
PS98 = Prugniel \& Simien (\cite{PS98});
FI94 = Fried \& Illingworth (\cite{FI94}); Z96 = Zeilinger et~al. (\cite{Z96});
JS89 = Jedrzejewski \& Schecther (\cite{JS89}); R88 = Rampazzo (\cite{R88});
L98 = Longhetti et~al. (\cite{L98b}); BGZ92 = Bertola et~al. (\cite{BBZ92a});
CMP00 = Caon et~al. (\cite{CMP00}); KZ00 = Koprolin \& Zeilinger (\cite{KZ00});
CDB93 = Carollo et~al. (\cite{CDB93}); S83 = Sharples et~al.  (\cite{S83});
B94 = Bertin et~al.  (\cite{B94}); V87 = Varnas et~al.  (\cite{Va87});
C86 = Caldwell et~al.  (\cite{Ca86}); CD94 = Carollo \& Danziger (\cite{CD94});
J87 = Jarvis (\cite{J87}); BG97 = Bettoni \& Galletta (\cite{BG97});
S93 = Saglia et~al. (\cite{S93}); CvM94 = Cinzano \& van der Marel  (\cite{CvM94}).
\end{table}