> Dear All:
> Does anyone know of a citation dealing with the erosion of shell apices
> and umbos from leaching of calcium because of low suspended calcium in
> the water.....as opposed to non-eroded shells in water with high calcium
> content?
>
> Assitance will be greatly appreciated....trying to finish up a
> long-languishing manuscript....
>
I know that Wendell Haag determined that a few years were enough to dissolve an entire unionid shell in the Sipsey River, but I don't know if he published it.
Dr. David Campbell
Old Seashells
University of Alabama
Biodiversity & Systematics
Dept. Biological Sciences
Box 870345
Tuscaloosa, AL 35487-0345 USA
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That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at Droitgate Spa
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