[Nhcoll-l] cracking and disintegration of molluscan shells

[Ron Eng]

Greetings,

It has been common to either oil or immerse (in glycerine) specimens that
have thin shells and thick periostracums; for example, Paryphanta snails and
unionids. 

What is the best practice?

Regards,
Ron
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ronald Eng
Geology & Paleontology Collections Manager
Burke Museum of Natural History and Culture
University of Washington
Box 353010
Seattle, WA 98195-3010
 
e-mail: rceng at uw.edu <mailto:rceng at u.washington.edu> 
telephone: 206.543.6776
fax: 206.685.3039

  
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