\begin{table} %t4
\caption{Integrated line ratios in the centres of IC~342 and Maffei~2.}\label{tab4}
%\centerline
{
\begin{tabular}{lcccc}
\hline
\hline
Transitions & \multicolumn{2}{l}{IC~342} & \multicolumn{2}{l}{Maffei~2} \\
	    & Nucleus & Total Center     &  Nucleus & Total Center  \\ 
\hline
$\co$ (1--0)/(2--1)$^{a}$    & $0.95\pm0.1$ & 0.9  &  $ 0.9\pm0.2 $   & 0.8: \\
$\co$ (3--2)/(2--1)$^{b}$    & $0.73\pm0.10$ & 0.7  & $0.75\pm0.13$  & 0.7 \\
$\co$ (4--3)/(2--1)$^{b}$    & $0.67\pm0.10$ & 0.3  & $0.65\pm0.10$  & 0.5 \\
\noalign{\smallskip}
$\co$/${\rm ^{13}CO}$ (1--0)$^{c}$ & $10.7\pm1.3$    & ---  & $ 8.6\pm1.1$   & ---  \\
$\co$/${\rm ^{13}CO}$ (2--1)$^{b}$ & $ 7.2\pm1.5$    & ---  & $10.0\pm1.4$   & ---  \\
$\co$/${\rm ^{13}CO}$ (3--2)$^{d}$ & $10.2\pm1.4$    & ---  & $12.4\pm1.7$   & ---  \\
\noalign{\smallskip}
CI/CO(2--1)$^{b}$   	   & $0.16\pm0.03$   & 0.06 & $0.10\pm0.05$  & --- \\
CII/CO(2--1)$^{e}$  	   & 0.54	     &	    & 0.31	     & \\
\hline
\end{tabular}}
\medskip
$^a$ IC~342 ratio from Eckart et~al. (\cite{Eckart90}), Xie et~al. (\cite{Xie94}) and Meier
   et~al. (\cite{Meier00}); Maffei~2 ratio from $J=1{-}0$ data by Weliachew et~al. 
   (\cite{Weliachew88}); both ratios at 21$''$ resolution; 
$^b$ This Paper, JCMT at 21$''$ resolution;
$^c$ Weighted mean based on ratios presented by Rickard \& Blitz (\cite{Rickard85}); 
   NRAO at 65$''$ resolution; Young \& Sanders (\cite{Young86}); FCRAO at 
   45$''$ resolution; Weliachew et~al. (\cite{Weliachew88}); IRAM 30~m at 24$''$ 
   resolution; Sage\protect \& Isbell (\cite{Sage91}); NRAO 12m at 57$''$ resolution; 
   Xie et~al. (\cite{Xie94}) FCRAO at 45$''$
 resolution; Meier et~al. (\cite{Meier00}) OVRO at 
   4\farcs5 resolution;\protect
$^d$ This Paper; JCMT at 14$''$ resolution;
$^e$ From Crawford et~al. (\cite{Crawford85}) and Stacey et~al. (1991), KAO at 55$''$ 
   resolution; JCMT convolved to 55$''$ resolution.
\end{table}