\begin{table}%T1
\caption{Equivalent widths$^{a}$ for IVC and HVC absorption towards Sk~-68~80.}\label{tab1}
%\centerline
{
\begin{tabular}{lrrll}
\hline
\hline
Species     & $\lambda_{\rm vac}$~$^{\rm b}$ & log~$\lambda f^{\rm b}$ & 
$W_{\lambda}$~$_{\rm IVC}$ & $W_{\lambda}$~$_{\rm HVC}$ \\
& [\AA] &  & [m\AA] & [m\AA]\\
\hline
C~{\sc i}            &  945.191 & 2.411 & $\leq$23  & $\leq$10  \\
O~{\sc i}            &  948.686 & 0.778 & $21\pm5$  & $31\pm6$ \\
                      & 1039.230 & 0.980 & $37\pm5$  & $49\pm4$  \\
Si~{\sc ii}          & 1020.699 & 1.225 & $23\pm7$ & $9\pm4$ \\                     
P~{\sc ii}           & 1152.818 & 2.451 & $14\pm3$  & $\leq$6 \\
Ar~{\sc i}           & 1048.220 & 2.440 & $15\pm3$ & $\leq $10 \\
Fe~{\sc ii}          & 1055.262 & 0.962 & $10\pm3$  & $5\pm3$  \\
                      & 1096.877 & 1.554 & $28\pm5$  & $28\pm5$  \\
                      & 1121.975 & 1.512 & $24\pm5$  & ...   \\
                      & 1125.448 & 1.244 & $16\pm3$  & $15\pm4$  \\
                      & 1142.366 & 0.633 & $\leq$3  & $\leq$3   \\
                      & 1143.226 & 1.342 & $26\pm3$  & $12\pm3$  \\
                      & 1144.938 & 2.096 & $59\pm4$ & $104\pm5$  \\
\hline
H$_2$ R(0),4-0 & 1049.366 & 1.383 & $50\pm12$   & ... \\
H$_2$ R(0),1-0 & 1092.194 & 0.814 & $39\pm7$   & ... \\
H$_2$ R(0),0-0 & 1108.128 & 0.283 & $26\pm8$   & ... \\
\hline
H$_2$ R(1),8-0 & 1002.457 & 1.256 & $27\pm10$  & $\leq $19 \\  
H$_2$ P(1),8-0 & 1003.302 & 0.948 & $33\pm8$   & ... \\
H$_2$ R(1),4-0 & 1049.960 & 1.225 & $32\pm5$   & $\leq $14 \\
H$_2$ P(1),4-0 & 1051.033 & 0.902 & $20\pm4$   & ... \\
H$_2$ P(1),3-0 & 1064.606 & 0.805 & $29\pm6$~$^{\rm c}$ & ... \\
H$_2$ R(1),2-0 & 1077.702 & 0.919 & $30\pm7$  & ...\\
H$_2$ R(1),1-0 & 1092.737 & 0.618 & $25\pm6$  & ... \\
H$_2$ R(1),0-0 & 1108.639 & 0.086 & $26\pm8$  & ... \\
\hline
H$_2$ R(2),8-0 & 1003.989 & 1.232 & $14\pm3$ & $\leq $11 \\
H$_2$ P(2),8-0 & 1005.398 & 0.993 & $17\pm5$ & ... \\
H$_2$ Q(2),0-0 & 1010.938 & 1.385 & $16\pm5$ & $\leq $10 \\
H$_2$ R(2),7-0 & 1014.980 & 1.285 & $14\pm4$ & ... \\
H$_2$ P(2),7-0 & 1016.466 & 1.007 & $28\pm15$~$^{\rm c,d,f}$ & ... \\
H$_2$ R(2),4-0 & 1051.498 & 1.168 & $12\pm3$ & ... \\
H$_2$ P(2),4-0 & 1053.284 & 0.982 & $13\pm4$ & ... \\
H$_2$ P(2),2-0 & 1081.269 & 0.708 & $11\pm4$~$^{\rm f}$ & ... \\
\hline
H$_2$ R(3),0-0 & 1010.128 & 1.151 & $12\pm3$ &  $\leq $9 \\
H$_2$ R(3),7-0 & 1017.427 & 1.263 & $22\pm8$ & $16\pm4$~$^{\rm e}$ \\
H$_2$ P(3),6-0 & 1031.195 & 1.055 & $14\pm4$ &  $11\pm4$ \\
H$_2$ R(3),5-0 & 1041.159 & 1.222 & $15\pm3$ & ... \\
H$_2$ P(3),5-0 & 1043.504 & 1.060 & $14\pm3$ & ... \\
H$_2$ R(3),4-0 & 1053.975 & 1.137 & $16\pm4$ & ... \\
H$_2$ P(3),4-0 & 1056.471 & 1.006 & $12\pm3$ & ... \\
H$_2$ P(3),3-0 & 1070.141 & 0.910 & $15\pm3$ & $\leq $8\\
H$_2$ P(3),1-0 & 1099.792 & 0.439 & $10\pm4$ & $7\pm3$ \\
\hline
H$_2$ R(4),5-0 & 1044.543 & 1.195 & $6\pm3$ & $\leq $9 \\
H$_2$ R(4),4-0 & 1057.379 & 1.138 & $5\pm2$ & $\leq $8\\
\hline
\end{tabular}}
\par
\medskip
$^{\rm a}$ Equivalent widths, $1\sigma$ errors and $3\sigma$ 
upper limits are given.\\
$^{\rm b}$ Wavelengths and oscillator strengths from 
Morton (\cite{Morton91}), Morton (2003, in preparation), and Abgrall \& Roueff (\cite{Abgrall89}).\\
$^{\rm c}$ Surprisingly strong.\\
$^{\rm d}$ H$_2$ absorption extends to $+100$~km~s$^{-1}$.\\
$^{\rm e}$ Possibly blended by H$_2$ W Q(5),0-0.\\
$^{\rm f}$ Line not included in curve-of-growth fit.
\end{table}