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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/LBO/25/49" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Copy of part of a letter from John Bertram, Pensilvania [Pennsylvania], to Peter Collinson</dc:title>
  <dc:description> ' Concerning a periodical Appearance and Progress of a certain Species of Caterpillars, and uncommon Number of Bears, and their Migration of vast Flocks of Pigeons : with some Remarks and Inferences. '

Read to the Royal Society on 8 February 1738</dc:description>
  <dc:date>26 April 1737</dc:date>
</rdf:Description>