\begin{table}%t2
\caption{\label{ews}Equivalent widths (\AA).}
%\centerline
{
\begin{tabular}{lcccccccc}
\hline\hline\noalign{\smallskip}
Feature &   K~Ca~II  & H$_\delta$& G~band (CH)& H$_\gamma$&H$_\beta$&Mg~I & $S_{\rm h}$ & $S_{\rm m}$\\
Windows (\AA) &3908--3952 &4082--4124&4284--4318       &4318--4364  &4846--4884&5156--5196&&\\
\noalign{\smallskip}\hline\noalign{\smallskip}
Cluster & &&&&&&   & \\
\object{NGC~1804}    &   1.9  &    7.7  &   1.1   &     8.1   &   6.0  &  1.4& 21.8 & 4.4 \\  
\object{NGC~1839}    &   4.7  &    8.6  &   1.7   &     8.7   &   7.2  &  1.1& 24.5 & 7.5 \\  
\object{SL~237}    &   0.7  &    6.5  &   1.3   &     6.4   &   4.3  &  3.4& 17.2 & 5.4 \\  
\object{NGC~1870}    &   2.5  &    7.8  &   0.2   &     7.0   &   6.6  &  1.5& 21.4 & 4.2 \\  
\object{NGC~1894}    &   4.5  &    6.8  &   1.9   &     6.2   &   4.6  &  2.5& 17.6 & 8.9 \\  
\object{NGC~1902}$^a$    &   2.9  &    7.6  &   2.0   &     8.4   &   5.9  &  2.2& 21.9 & 7.1 \\  
\object{NGC~1902}    &   1.9  &    9.0  &   2.5   &     9.6   &   6.1  &  2.7& 24.7 & 7.1 \\  
\object{NGC~1913}    &   2.4  &    5.7  &   0.8   &     5.0   &   3.9  &  2.0& 14.6 & 5.2 \\  
\object{NGC~1932}    &   6.4  &    5.2  &   2.2   &     5.5   &   4.9  &  2.2& 15.6 & 10.8 \\  
\object{NGC~1943}    &   4.7  &    8.9  &   1.3   &     7.5   &   4.0  &  2.0& 20.4 & 8.0 \\  
\object{NGC~1940}    &   3.6  &    8.2  &   0.7   &     7.9   &   6.3  &  2.2& 22.4 & 6.5 \\  
\object{NGC~1971}    &   3.3  &    8.3  &   1.1   &     8.3   &   6.3  &  1.5& 22.9 & 5.9 \\  
\object{SL~508 }    &   3.4  &    8.5  &   1.1   &     7.0   &   5.5  &  2.7& 21.0 & 7.2 \\  
\object{NGC~2038}    &   1.9  &    8.3  &   0.9   &     7.8   &   5.7  &  2.1& 21.8 & 4.9 \\  
\object{SL~709 }    &   3.2  &    3.9  &   3.7   &     8.8   &   5.5  &  7.0& 18.2 & 13.9 \\  
\object{SL~709}$^b$ &   3.2  &    7.1  &   3.0   &     6.9   &   6.8  &  6.2& 20.8 & 12.4 \\  
\object{NGC~2118}    &   1.3  &    8.9  &   0.8   &     8.8   &   7.2  &  1.3& 24.9 & 3.4 \\  
\object{NGC~2130}    &   1.3  &    7.4  &   2.2   &     5.1   &   5.1  &  1.7& 17.6 & 5.2 \\  
\object{NGC~2135}    &   2.8  &    9.7  &   1.9   &     9.1   &   6.6  &  1.6& 25.4 & 6.3 \\  
\noalign{\smallskip}\hline
\end{tabular}}
\smallskip
$^a$ Larger areal extraction than that for \object{NGC~1902}.\\
$^b$ Bright star subtracted from \object{SL~709} integrated spectrum.
\end{table}