> ---------- > 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 > >