\begin{overpic}[width=0.49\textwidth]{Dar-al-Gani-194}
\put(1,74){\colorbox{white}{(\sublabel{Dar-al-Gani-194}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20081215211911414.tkunihiro}{Dar-al-Gani-194}}}
%%(\subref{Dar-al-Gani-194}) \href{Dar-al-Gani-194}
\color{red}
\end{overpic}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
</acquisitions>