<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/AP/19/22/4" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Unpublished letter, regarding 'On the circulation of the blood in insects' from John Tyrrell to P M [Peter Mark] Roget</dc:title>
  <dc:description>Tyrrell writes to Roget with a correction to his initial paper on blood circulation in insects, noting revised terminology.</dc:description>
  <dc:date>18 December 1834</dc:date>
</rdf:Description>