\begin{table}%T4
\caption{\label{mean_blues}Blueshifts of WR~absorption lines when compared to the positions of the emission lines.}
%\centering
\par
\begin{tabular}{lr}
\hline \hline
Line(s) & Blueshift (km~s$^{-1}$) \\ \hline
HeI~$\lambda$4025 + HeII~$\lambda$4026 	&  --86.3 $\pm$ 18.3 \\
H$\delta$ + HeII~$\lambda$4100 	& --161.8 $\pm$ 12.5 \\
HeII~$\lambda$4200				& --228.7 $\pm$ 11.5 \\
H$\gamma$ + HeII~$\lambda$4338	& --289.0 $\pm$ 10.6 \\ 
\hline
\end{tabular}
\end{table}