Dear Bill,

I found the Nautilus text pages and Pilsbry writes about Hydatina
verrilli, new species Pl. 1 Fig. 10. However, there are no plates
evident to me.

Maybe I'm still missing something.

David


On Jul 5, 2009, at 2:28 PM, Bill Fenzan wrote:

> Dear David,
>
> I do not understand your use of the word 'plates'.  The article
> referenced
> by Abbott did not include any plates, figures, or text figures.
>
> Old volumes of The Nautilus can be found at the following url.  They
> are in
> .pdf format, so you need to have Adobe Reader (free download)
> installed on
> your computer first for them to be accessible.
>
> The Nautilus is online in the Biodiversity Heritage Library at:
> http://www.biodiversitylibrary.org/bibliography/6170
>
> If you have Adobe Reader and want to go directly to the volume that
> pertains
> to your specific question, you can use the following link to go to
> the cover
> of the volume.  Then, you need to use the navigation tools provided
> to go to
> a specific page.
>
> Volume 63 is at the following url:
> http://www.biodiversitylibrary.org/item/34872
>
> Hope this answers your question.
>
> Bill Fenzan
> Norfolk, Virginia
>
>
> ----- Original Message -----
> From: "David Kirsh" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, July 05, 2009 1:59 PM
> Subject: Re: [CONCH-L] Hydatina physis
>
>
>> Dear Bill and Harry,
>>
>> Thanks for steering me through the froth. Are those Nautilus plates
>> accessible? I might have missed where to find them.
>>
>> I am wondering what the mechanism could be for the existence of
>> circumtropical shells, not being familiar with the sequence of
>> continental drift and the formation of the Central American isthmus.
>> Other possibilities would be the survival of veligers around the Cape
>> of Good Hope (more likely than Tierra del Fuego, no?) and the
>> transport in (even colonial) ship ballast.
>>
>> Aside from circumtropical shells, there are some conspecific shells
>> common to both the eastern Pacific and the west Atlantic.  Terebra
>> petiveriana Deshayes, 1857 was originally known from the eastern
>> Pacific side of the Americas but was found in Caribbean Colombia and
>> also in Venezuela http://jaxshells.org/0212uu.htm. What is the most
>> likely explanation?
>>
>> David Kirsh
>> Durham, NC
>> where bubble-drinks are gaining a foothold
>>
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