\begin{table}%t1 \caption{Fraction of cloud by area and number of cores in each C$^{18}$O integrated intensity range. \label{tbl:ncores}} %\centerline {\begin{tabular}{lcccc} \hline\hline $I(~\hbox{C}^{18}\hbox{O})$ & $A_{\rm v}$ &\% area$^1$ & $N$(cores) & \% of cores\\ K~km~s$^{-1}$ & & & &\\ \hline $<$$1$ &$<$$5.2$ &83 &10 &11.4\\ 1--2 &5.2--8.8 &13 &14 &15.9\\ 2--3 &8.8--12.4 &3 &32 &36.4\\ 3--4 &12.4--15.9 &0.5 &17 &19.3\\ 4--5 &15.9--19.5 &0.2 &13 &15.9\\ $>$$5$ &$>$$19.5$ &0.04 &1 &1.1\\ \hline \end{tabular}} \par \smallskip $^1$ Fraction of the area of the cloud mapped in C$^{18}$O. \end{table}