Tom,
Harry's amazing memory has done it again.  I forgot N. meleagris and
Neritilia.  And my N. latissimus is indeed the Panamic thing and punctulata
is the Caribbean.  There is also that Jamaican (Grand River, I think)
endemic Fluvinerita something another.
 
Kurt
 
At 10:03 PM 9/28/98 -0400, you wrote:
>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
>mailto:[log in to unmask]
>Suite 500, 1801 Barrs Street
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>
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