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pearly trochidae
08-15-2011, 01:47 PM,
#3
Re: pearly trochidae
Hi, me again ...  I ran a little experiment.  Though the evidence seemed to point to Tegula pellisserpentis, I wasn't completely satisfied with the idea of a large heavy brown and black shell being eroded into a smooth pearly shell with bright green highlights.  So, I took a small T. pellisserpentis (22 mm), and dropped it into vinegar for a few hours.  The vinegar, being acidic, erodes away the shell chemically, simulating the way rolling around in the sand erodes a shell physically.  The result was pretty interesting:

<!-- m --><a class="postlink" href="http://members.cox.net/natura/Tpellisserpentis.jpg">http://members.cox.net/natura/Tpellisserpentis.jpg</a><!-- m -->

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Messages In This Thread
pearly trochidae - by dzeiden - 08-14-2011, 06:25 AM
Re: pearly trochidae - by paul monfils - 08-14-2011, 09:02 AM
Re: pearly trochidae - by paul monfils - 08-15-2011, 01:47 PM

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