> ----------
> From:         Kurt Auffenberg
> Reply To:     Conchologists of America List
> Sent:         27, November 2001 3:28 PM
> To:   [log in to unmask]
> Subject:      Re: Polygyra cereolus/septemvolva
>
> There is merit to this hypothesis, Paul.  It could be a cohort hatching
> later in the season, not having time to fully mature, surviving the
> "winter" as subadults, and then benefitting from yet another growing
> season.
>
> Or it could be a case of real gigantism...perhaps caused by an infestation
> of some trematode or something in the gonads....There is some literature
> on
> that in other organisms....
>
> Kurt
>
> Mr. Kurt Auffenberg
> Senior Biological Scientist
> Exhibits & Public Programs
> University of Florida
> Hull Road & SW 34th Street
> Powell Hall, P.O. Box 112710
> Gainesville, Florida 32611-2710
>
> Telephone: 352-846-2000, ext. 253
> Fax:  352-846-0253
>
>