It is an introduced species: Melanoides tuberculata.
Henk K. Mienis
----- Original Message -----
From: Cramer, John <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 19, 2001 2:11 PM
Subject: unidentified shells
> Dear all: take a look at this picture and see if you recognize the shells.
>
> http://petrelnet.oglethorpe.edu/division3/Faculty/jcramer/jcramer.htm
>
> I found the auger-like stuff at Lake Cunningham, New Providence Isl. near
> Nassau. Paul Mikkelsen and Harry Lee both guessed Cerithidea
scalariformis
> from my description a few weeks back but they're nothing like my
> scalariformis. I believe the lake is freshwater - didn't sample it.
> The small shells are land snails from bushes around our resort at South
> Ocean Beach on New Providence Isl.