Protein analysis from eraser crumbs

[Morten St. George]

I guess this totally refutes my theory that the marsh deer depicted on Folio 116v (the last page) was used for parchment. It probably also means that the marsh deer isn't really a marsh deer but something like an Italian donkey. Does anyone know for sure what that animal is? 

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I look forward to learning what that animal is.  Regards to all, Morten