... formation

Full Fig. 1, Fig. 2 and Table 2 are only available in electronic form at http://www.edpsciences.org

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... (JCMT

The JCMT is operated by the Joint Astronomy Centre on behalf of PPARC for the UK, The Netherlands Organisation of Scientific Research, and the National Research Council of Canada.

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... 73L

Note that the panel numbers refer to individual images in Figs. 1 and 2. L and S refer to the long (850 $\mu$m) and short (450 $\mu$m) wavelength channels of SCUBA.

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