Plinian Society
... that Charles Darwin joined the Plinian Society student naturalists' club at Edinburgh University?
... that <a href="./Charles_Darwin" id="mwDog" rel="mw:WikiLink" title="Charles Darwin">Charles Darwin</a> joined the <b id="mwDok"><a href="./Plinian_Society" id="mwDoo" rel="mw:WikiLink" title="Plinian Society">Plinian Society</a></b> student naturalists' club at <a href="./University_of_Edinburgh" id="mwDos" rel="mw:WikiLink" title="University of Edinburgh">Edinburgh University</a>?