<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/S1/117" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, from Jan Swammerdam to Henry Oldenburg, dated at Amsterdam</dc:title>
  <dc:description>Observations of the pancreas in fish; observations of Frederik Ruysch's dissection of a human foetus

Read to the Royal Society on 16 April 1673</dc:description>
  <dc:date>21 April 1673</dc:date>
</rdf:Description>