Acknowledgements

We thank the 2dF Galaxy Redshift Survey team for allowing us early access to their data. We also acknowledge the essential contribution of the many people, at the AAO and elsewhere, who have contributed to the building and operation of the 2dF facility. Finally, we thank the two anonymous referees of this paper for their careful reading and helpful suggestions.

The IRAS flux densities quoted in Table 2 were obtained from the NASA Extragalactic Database (NED).

© Copyright Astronomical Society of Australia 1997