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Tue, 10 Oct 2000 07:06:17 -0400 |
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Dear Paul,
P. grandis (Say, 1829) could have been introduced by adventitious means
(e.g. on fish-stock). I don't think it is native to your "island." My
money is on U. cataracta; keep us posted.
Harry
At 07:57 PM 10/9/00 -0400, you wrote:
>Hi Harry,
>
>Thanks for your input. Actually several people did contact me
>privately. The species you suggest have been mentioned more than once,
>as has Pyganodon grandis. I have sent some specimens to a couple of
>knowledgeable people, so hopefully will have a definitive answer soon.
>The shells are thin and toothless. As for the "pond" they were found
>in, it is hardly deserving of the name. It's a tiny, presumably
>manmade, water-filled depression about 50 to 60 feet in diameter, and
>not more than 4 feet deep. A little, shallow canal about 6 feet wide
>passes under a small footbridge, to a similar pond on the other side.
>When I was there last week, the water-filled area (due to drainage of
>the pond) was not more than 25 to 30 feet wide.
>
>Paul M.
Harry G. Lee
Suite 500
1801 Barrs St.
Jacksonville, FL 32204
USA 904-384-6419
<[log in to unmask]>
Visit the Jacksonville Shell Club Home Page at:
http://home.sprynet.com/~wfrank/jacksonv.htm
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