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For different vertebrate groups I would suggest a bit different protocol. While most of my skeleton work has been many thousands of birds and herps, the few hundred mammals I have worked on show some idiosyncrasies. Mammal teeth have a much harder outside layer
and a softer inside. If you try to dry the teeth very fast in a non-humid environment, most pf the time canines and many other teeth will crack vertically. I will often slowly dry the skulls when teeth are intact within a jar with the lid partially open. If
the time to dry is spread out over a couple to a few days, the likelihood of cracking is reduced - but never guaranteed. I have also seen cracked major long bones on even larger mammals like the North American White-tailed Deer. My area is not particularly
dry like Israel may be, so I would use caution drying mammal skeletons quickly. Bird skeletons, as well as reptiles usually aren't as thick walled, and I have not seen the cracked bones in these groups.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> on behalf of Gregory Schneider <ges@umich.edu><br>
<b>Sent:</b> Tuesday, June 7, 2022 11:15 AM<br>
<b>To:</b> Simon Moore <couteaufin@btinternet.com><br>
<b>Cc:</b> NHCOLL-new <Nhcoll-l@mailman.yale.edu><br>
<b>Subject:</b> Re: [Nhcoll-l] Drying protocols for skeletonized specimens</font>
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<div class="x_gmail_default" style="font-size:large">Similarly, I set bones out in the lab on a paper towel (inside a box top) to air dry. </div>
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<div>Greg Schneider<br>
Division of Reptiles and Amphibians<br>
</div>
<div>Museum of Zoology</div>
<div>Research Museums Center</div>
<div>3600 Varsity Drive<br>
University of Michigan<br>
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<div>Ann Arbor, Michigan 48108</div>
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<p style="margin:0px"><span style="font-size:10pt; font-family:Verdana,sans-serif; color:navy"><a href="mailto:ges@umich.edu" target="_blank" style="color:rgb(17,85,204)">ges@umich.edu</a></span><span style="font-family:Tahoma,sans-serif; color:navy"><u></u><u></u></span></p>
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<div dir="ltr" class="x_gmail_attr">On Tue, Jun 7, 2022 at 11:01 AM Simon Moore <<a href="mailto:couteaufin@btinternet.com">couteaufin@btinternet.com</a>> wrote:<br>
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<blockquote class="x_gmail_quote" style="margin:0px 0px 0px 0.8ex; border-left:1px solid rgb(204,204,204); padding-left:1ex">
Hi Gali,<br>
<br>
When I used to do this regularly, I just simply air-dried them in the lab. <br>
<br>
With all good wishes, Simon<br>
<br>
Simon Moore MIScT, RSci, FLS, ACR<br>
Conservator of Natural Sciences and Cutlery Historian,<br>
<br>
<a href="https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.natural-history-conservation.com&c=E,1,0pTPAkX3sYZF52zQQ1tzXhyD1aFGc3nIrHsxJ645hEVsV8IEH0ZjeAQmjO0pG3Rpcgx4bMi17pB7dCNqagAVcGHuR_W3LzlZ7FOKRnGm3QE5CkkJ&typo=1" rel="noreferrer" target="_blank">www.natural-history-conservation.com</a><br>
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> On 7 Jun 2022, at 13:04, Gali Beiner <<a href="mailto:gali.beiner@mail.huji.ac.il" target="_blank">gali.beiner@mail.huji.ac.il</a>> wrote:<br>
> <br>
> Dear All, <br>
> <br>
> I'm trying to find out the best protocol for the end of a maceration process- the stage when the clean bones need to be dried out before they can enter a collection.
<br>
> <br>
> Once done with all the removal of the soft tissues etc. - do you have recommendations on how to best finish off the process to achieve dry material ready for study?
<br>
> <br>
> Thank you,<br>
> <br>
> Gali <br>
> <br>
> -- <br>
> Gali Beiner (ACR)<br>
> Conservator, Palaeontology Lab<br>
> National Natural History Collections<br>
> The Hebrew University of Jerusalem <br>
> Berman Building, Edmond J. Safra campus, Givat Ram<br>
> Jerusalem 91904, Israel<br>
> Fax. 972-2-6585785<br>
> <a href="mailto:gali.beiner@mail.huji.ac.il" target="_blank">gali.beiner@mail.huji.ac.il</a><br>
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