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Date: | Mon, 28 Sep 1998 22:03:14 -0400 |
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Dear Tom,
Have you used Russell (1940)? It works for me (Abbott doesn't). Kurt
Auffenberg has the taxonomy down nicely.
He taught me, and I think my collection includes all named W. Atlantic
Neritid species. I am, moreover, satisfied with the identifications. Among
West Indian records in the collection are Neritilia succinea from St. Thomas
and from Dominica; Neritina punctulata from Guadeloupe (2 lots), Grenada,
and Tobago; N. piratica from Cuba; and N. clenchi from Dominica.
From what I understand, Montserrat doesn't lay claim to a ecologically
friendly freshwater supply.
Didn't you mean N. usnea (+ reclivata)?
N. virginea, N. piratica, and N. meleagris are not found in (pure) fresh
water (brackish at best).
I wish I could give you a verbal differential on these dianoses, but I would
need more time than I can spare (to reacquaint). May I send synoptic
samples or photocopy the Russell paper?
Harry
At 08:39 AM 9/28/98 -0400, you wrote:
>Can anyone give me a good way to differentiate Neritina usnea [=reclivata],
>N. clenchi, and N. virginea? Where does N. piratica fit in? The
>characteristics in Abbott (1974) don't seem to hold up to inspection. Also,
>does anyone know of a freshwater Neritina from Montserrat, or literature
>that may help?
>
>* G Thomas Watters *
Harry G. Lee
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