David,
I posted your comment on the blog under your name.

It shouldn't matter whether you say yes or no to the question about non-
secure content. It refers to the the little pictures of the bloggers.

Aydin
snailstales.blogspot.com


On Fri, 6 Jul 2007 12:51:04 -0500, David Campbell <[log in to unmask]>
wrote:

>> A post about Physa.
>>
>> Aydin
>> snailstales.blogspot.com
>>
>
>I tried replying on the site but the form kept clearing and asking if
>I wanted non-secure content displayed.
>
>Ctenidia are the primitive condition in gastropods.  Most of the
>heterobranchs, including standard sea slugs and pulmonates, have lost
>the ancestral ctenidia.  Many have evolved some substitute, e.g. the
>lungs of pulmonates or the secondary gills of nudibranchs.
>
>The freshwater pulmonates in my aquarium don't seem too picky about
>animal or vegetable origin as long as it's slow enough to bite.  They
>don't seem to like the filamentous green alga, though.
>
>--
>Dr. David Campbell
>425 Scientific Collections
>University of Alabama
>"I think of my happy condition, surrounded by acres of clams"
>
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