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CRAYFISH—The Museum of Comparative Anatomy at Haryard having an uncommonly rich collection of the genera and species of the family Astacidte, Mr. Faxon presents us with a revision of the group, which ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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