\begin{table}%t9 \par \caption {\label{tabalpha}Final abundance ratios [X/Fe] of NGC~6522, compared with those of the metal-poor bulge clusters HP~1 (Barbuy et~al. \cite{Barbuy06}), NGC~6558 (Barbuy et~al. \cite{Barbuy07}), UKS 1 (Origlia et~al. \cite{Origlia05}) and Terzan~4 (Origlia et~al. \cite{Origlia04}). } %\begin{flushleft} %\tabcolsep 0.13cm %\centerline {\begin{tabular}{lcrrrrrrrrrrr} \hline\hline Species & $\epsilon$(X)$_{\odot}$ & NGC~6522 & NGC~6558 & HP~1 & UKS 1 & Terzan 4 \\ \hline \noalign{\smallskip} {}[Fe/H] & 7.50 & --1.00 & --0.97 & --0.99 & --0.78 & --1.60 & \\ {}[OI/Fe] & 8.77 & +0.39 & +0.38 & +0.40 & +0.27 & +0.55 & \\ {}[NaI/Fe] & 6.33 & +0.03 & --0.09 & +0.00 & -- & -- & \\ {}[MgI/Fe] & 7.58 & +0.27 & +0.24 & +0.10 & +0.32 & +0.41 & \\ {}[SiI/Fe] & 7.55 & +0.25 & +0.23 & +0.30 & +0.28 & +0.55 & \\ {}[CaI/Fe] & 6.36 & +0.17 & +0.05 & +0.03 & +0.38 & +0.53 & \\ {}[TiI,II/Fe] & 5.02 & +0.16 & +0.06 & +0.08 & +0.32 & +0.43 & \\ {}[BaII/Fe]& 2.13 & +0.49 & +0.13 & +0.15 & -- & -- \\ {}[LaII/Fe]&1.22 & +0.35 & 0.00 & +0.00 & -- & -- \\ {}[EuII/Fe]&0.51 & +0.39 & +0.36 & +0.15 & -- & -- \\ \hline \end{tabular} } \par \smallskip In the 2nd column the solar abundances adopted are reported. \end{table}