\begin{table}%t3
%\centering
\par
\caption{\label{tab_lit} Abundance ratios:  $^a$\cite{ucsd1};
  $^b$Prochaska \& Wolfe (1999);  
$^c$Lu et~al. (1998); $^d$Lu et~al. (1996);
  $^e$Dessauges-Zavadsky et~al. (2001);
$^f$Lopez et~al. (1999); $^g$Lopez et~al. (2002); $^h$Bonifacio et
  al. (2001);
$^i$Levshakov et~al. (2002);  $^j$Ge et~al. (2001);
  $^k$Pettini et~al. (2002); 
$^l$Prochaska et~al. (2001); $^m$Centurion et~al. (2000);
  $^n$Prochaska \&   Wolfe (1996); $^o$Dessauges-Zavadsky et~al. (in~prep.); $^p$This paper; $^q$Paper I.
}  
$$
         \begin{tabular}{lccccr}
            \hline\hline
            \noalign{\smallskip}
{\rm QSO}&{\rm [Fe/H]}&{\rm [Zn/Fe]}&{\rm [Si/Fe]}&{\rm [S/Fe]}&{\rm Ref.}\\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
%---------------------------------------------------------------------------
%QSO         [Fe/H]    [Zn/Fe]   [Si/Fe]    [S/Fe]      Reference
%---------------------------------------------------------------------------------------
Q0013$-$004& $-1.83$  &   1.09  &    ...  &       0.79  &    m     \\  
Q0100+13   & $-1.90$  &   0.31  &    0.48 &       0.44  &    b,c  \\  
Q0149+33   & $-1.77$  &   0.10  &    0.28 &       ...   &    a,b     \\   
Q0201+3634 & $-0.87$  &   0.59  &    0.46 &       ...   &    a,n     \\ 
Q0216+0803A& $-0.97$  &   ...   &    0.30 &       ...   &    d	 \\ 
Q0216+0803B& $-1.06$  &   ...   &    0.50 &       ...   &    d	 \\ 
Q0255+00A  & $-1.44$  &   ...   &    0.50 &       ...   &    a       \\
Q0255+00B  & $-2.05$  &   ...   &    ...  &       0.27  &    a	   \\
Q0307$-$49 & $-1.96$  &   ...   &    0.41 &       1.00  &    e,h	   \\
Q0336$-$01 & $-1.80$  &   ...   &    ...  &       0.39  &    a	   \\
Q0347$-$38 & $-1.80$  &  $-0.10$&    0.46 &       0.51  &    a,h,i \\
Q0741+474  & $-1.93$  &   ...   &    0.24 &       0.25  &    a	   \\
Q0836+11   & $-1.40$  &   ...   &    0.25 &       ...   &    a       \\
%Q0841+129  & -1.83  &   ...   &    ...  &       0.68  &    b	   \\
Q0957+33A  & $-1.45$  &   ...   &    0.45 &       ...   &    a	   \\
Q0957+33B  & $-1.87$  &   ...   &    0.37 &       0.56  &    a	   \\
HE1104$-$18& $-1.60$  &   0.57  &    0.55 &       0.53  &    f	   \\
Q1108$-$07 & $-2.12$  &   ...   &    0.32 &       ...   &    a	   \\
Q1210+17   & $-1.15$  &   0.25  &    0.27 &       ...   &    a       \\
Q1215+33   & $-1.70$  &   0.41  &    0.22 &       ...   &    a	   \\
Q1223+17   & $-1.84$  &   0.22  &    0.25 &       ...   &    a	   \\
%Q1232+0815 & -1.90  &   1.04  &    0.62 &       0.28  &    j	   \\
Q1331+17   & $-2.06$  &         &    0.61 &      0.76   &    a,b,o   \\
Q1409+095A & $-2.30$  &   ...   &    0.28 &       ...   &    k	   \\
Q1759+75   & $-1.21$  &   ...   &    0.40 &       0.46  &    a	   \\
Q1946+7658 & $-2.53$  &   ...   &    0.30 &       ...   &    a       \\
Q2206$-$19 & $-0.86$  &   0.45  &    0.44 &       ...   &    a	   \\
Q2206$-$19 & $-2.61$  &   ...   &    0.30 &       ...   &    a	   \\
Q2230+02   & $-1.17$  &   0.45  &    0.41 &       ...   &    a,b	   \\
Q2231$-$00 & $-1.31$  &   0.54  &    0.44 &       ...   &    b       \\
Q2237$-$060& $-2.17$  &   ...   &    0.36 &       ...   &    c,d	   \\
Q2243$-$603& $-1.25$  &   0.13  &    0.38 &       0.40  &    g	   \\
Q2343+1232 & $-1.23$  &   ...   &    0.47 &       0.40  &    c,l     \\
Q2344+12   & $-1.83$  &   ...   &    0.09 &       ...   &    a	   \\
Q2348$-$01A& $-1.39$  &   ...   &    0.69 &       ...   &    a	   \\
Q2348$-$01B& $-2.24$  &   ...   &    0.26 &       ...   &    a	   \\ 
\hline
CTQ247A    & $-1.68$  &  0.32   &    0.31 &       0.17  &    p    \\
CTQ247B    & $-1.44$  &  0.36   &    0.38 &       0.34  &    p    \\
CTQ247C    & $-2.37$  &  ...    &    0.33 &      $<$1.04&    p    \\
Q2314$-$409A&$-1.32$  &  ...    &    0.27 &       0.32  &  q   \\
Q2314$-$409B&$-1.87$  &  ...    &    0.00 &      $<$0.21   &  q   \\
Q2359$-$02A& $-1.66$  &  ...    &    0.88 &    ...      & b       \\
Q2359$-$02A& $-1.88$  &  ...    &    0.29 &    ...      & b       \\
            \noalign{\smallskip}
            \hline
         \end{tabular}
  $$
\end{table}