Dear David,
I agree.
Harry
At 08:04 PM 1/17/00 -0500, you wrote:
>Thanks Harry,
>
>I'm still curious whether anyone knows how they end up on the parietal side
>of gastropod apertures (at least, that's where I found all of them in my 3
>days in Hikkaduwa, Sri Lanka). If they migrate there from other locations
>on the shell, I could see why they might locate based on olfactory (odor)
>sense perhaps. But why not on the outer lip as well. (Maybe they do but I
>didn't encounter them that way).
>
>David
>
>>Dear David,
>>
>>Probably Sabia conica (Schumacher, 1817). Splitters place the taxon in
>>Hipponix, but to the extent that Sabia exists as a generic unit, so does
>>this binomen; it is the type of Sabia J. E. Gray, 1839. Gray proposed
>>Sabia to replace Amalthea Schumacher, 1817, a junior homonym of Amalthea
>>from the pen of our old friend, Constantine Samuel Rafinesque (1815), who,
>>three years later, brought us the infamous trivalve discussed on this
>>list-serve by Andy R. a few months back.
>>
>>One irksome feature of the behavior of S. c. is its tendency to etch the
>>surface of the (seashell) substrate as a recess into which the limpet-like
>>shell of this snail fits snugly. Such scarring was prominent on Strombus
>>oldi Emerson, 1965 shells I collected from Somalia, and it seems to be so
>>frequent a stigma on the shells of Harpa goodwini Rehder, 1993 that dealers
>>tend not to remove the little commensal pests for fear of revealing this
>>unsightly excavation.
>>
>>Harry
>>
>>
>>At 12:04 PM 1/17/00 -0500, you wrote:
>>>Folks,
>>>Does anyone know the name of the ubiquitous cap-shell (Hipponix? or
>>>whatever the newer name is) that invariably attaches singly or in pairs to
>>>the parietal area of shallow water gastropods in Sri Lanka?
>>>
>>>And how does it "know" how to find the parietal area?
>>>
>>>It's about 5mm in diameter, white, with radiating ribs. Apex is elevated
>>>and pointed to one side.
>>>
>>>David Kirsh
>>>Durham, NC
>>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
>>
>>oo .--. oo .--. oo .--.
>> \\(____)_ \\(____)_ \\(____)_
>> `~~~~~~~` `~~~~~~~` `~~~~~~~`
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
oo .--. oo .--. oo .--.
\\(____)_ \\(____)_ \\(____)_
`~~~~~~~` `~~~~~~~` `~~~~~~~`
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