> Good morning Conchlers,
>
> I would like to thank everyone for all there help in identifying the mystery
> activity.  The consensus is, this is a cymatium who has laid a passel of eggs
> and is sitting on them.  I'll get Dave to keep us up to date on any hatchings.
> Thanks also to those who assisted two students on their mussel and limpet
> questions.  They both appreciate your efforts.
>
I'm not sure about cymatium, but bursa lay their eggs in circles with a
space in the middle. Does it look like this?

Peggy
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                                  Peggy Williams
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