Thanks to all of you for the info on fw bivalves, I passed
it along.

Peter



At 10:52 PM 4/8/01 +1000, you wrote:
>Dear Peter,
>The American Museum of Natural History Guide to Shells Land, Freshwater, and
>Marine from Nova Scotia to Florida by Emerson & Jacobson, l976; has some
>useful descriptions and photos of eastern American Unionids.
>2 are described from Canada
>   Anodonta cataracta
>            implicata
>5 from the St Lawrence River Basin (?includes Newfoundland)
>   Strophitus undulatus
>   Lampsilis radiata
>   Alasmidonta undulata
>   Ligumia nasuta
>   Elliptio complanata
>Only 2 of these are mentioned to have bluish nacre
>   A. cataracta ( rounded shape up to 6.5 in )
>   L. nasuta 9 ( more elongate up to 4.5 in )
>Regards
>Geoff

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Peter Egerton, Vancouver, British Columbia, Canada
Collector of worldwide Mollusca, lifetime student
of zoology and computers.
E-mail: [log in to unmask]
Step into my website:
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(includes "Seashells of British Columbia", links and my resume)
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