\begin{table}%t4 \caption{\label{tab4}Main molecular dark cloud complexes located within the region studied in this paper. (See the text for the details)} \small%\centerline { \begin{tabular}{lllll} \hline\hline \noalign{\smallskip} mdcc &$l (\degr)$, &$\bar{V}_{\rm LSR}$&$\bar{d}$ &$M_{\rm mol}$ \\ &$b (\degr)$ &(km~s$^{-1}$) & (pc) &($M_{\odot}$) \\ (1) &(2) &(3) &(4) &(5) \\ \hline\noalign{\smallskip} Oph${^1}$ &350--370, &--1 to +6 &140 &9000 \\ &+6 to +24 & &(80$-$200) & \\ Lup${^2}$ &335--350, &--4.5 to +10 &150~$\pm$~10 & 17~000 \\ &+5 to +25 & & & \\ Cha-Mus${^3}$ &292--316, & +0.5 to +7 & 150--180 & 8300 \\ &--33 to -8 & & & \\ Aql Rift${^4}$ &376--394 & +5 to +10 & 200 &150~000 \\ &0 to +20 & & & \\ Aql South${^5}$ &386--400 & 0 to +15 & $<$$220$ & 4000 \\ & --25 to --12 & & & \\ \hline \end{tabular}} \tablebib{ 1)~de~Geus et~al. (\cite{Geus1990}); de~Geus \& Burton (\cite{Geus1991}); 2)~Tachihara et~al. (\cite{Tachihara2001}); Magnani et~al. (\cite{Magnani1996}); Rizzo et~al. (\cite{Rizzo1998}); 3)~Mizuno et~al. (\cite{Mizuno2001}); 4)~Dame et~al. (\cite{Dame1987}, \cite{Dame2001}); 5)~Kawamura et~al. (\cite{Kawamura1999}).} %\vspace*{4mm} \end{table}