As far as I know, they have been stored in the collection, which is
temperature and humidity controlled. The cotton under the shell shows no
discoloration or other evident changes.
Ironically, the specimens were handed out in these boxes and cotton as
favors during the 43rd Annual Meeting of the American Malacological Union
in Naples, Florida. Obviously not a good choice.
At 09:16 AM 12/9/2004 -0600, you wrote:
>Thomas Watters wrote,
> > We have Liguus packed in plastic jewel-boxes on cotton. The side of the
>shell facing the cotton has been completely destroyed, the side facing up is
>fine. The shells were packed in 1977.
>
>Tom, were your shells maintained at constant temperature and humidity?
>Paleontologists have found that pyritized fossils (fossils replaced by iron
>sulfide) tend to oxidize more rapidly under varying conditions than under
>conditions of high but constant humidity. Ours have been stored in a
>basement for the past 40 years. Before that, in a building without air
>conditioning. The environment is not ideal, but, like the world revealed in
>an old newspaper, at least it doesn't change much.
>
>Andrew K. Rindsberg
>Geological Survey of Alabama
>
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G. Thomas Watters, PhD
Curator of Molluscs
Museum of Biological Diversity
Department of Evolution, Ecology & Organismal Biology
The Ohio State University
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Columbus, OH 43212 USA
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