... cluster

Tables 1, 2 and Appendix A are only available in electronic form at http://www.edpsciences.org

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...Sa-Im-BCD)

Galaxies of type S..., dE/Im and "?'' are not included in the present analysis.

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... eachother

The point at $M_{\rm HI}=10^{8.25}~ M_\odot$ of D04 includes 14 detections, 2 of which correspond to isolated H  I clouds - disregarding these two objects the discrepancy with the optical selected HIMF becomes negligible.

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... I

A dozen H  I detections were reported in Virgo associated with early-type galaxies. These have not however been surveyed with completeness. None belongs to the D04 sample.

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