<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.954994</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250909135705</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr mn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">250909s1931    onc     o    f000 0 eng d</marc:controlfield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn-bc</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">Fs52-3/228E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Stevens, Edith, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="4">
      <marc:subfield code="a">The significance of diatoms as food for oysters / </marc:subfield>
      <marc:subfield code="c">author Edith Stevens.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Fisheries Research Board of Canada, </marc:subfield>
      <marc:subfield code="c">1931.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (6 pages).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Manuscript reports of the biological stations ; </marc:subfield>
      <marc:subfield code="v">no. 228</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Department of Fisheries and Oceans].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Oysters</marc:subfield>
      <marc:subfield code="x">Food</marc:subfield>
      <marc:subfield code="z">British Columbia</marc:subfield>
      <marc:subfield code="z">Pacific Coast.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Diatoms</marc:subfield>
      <marc:subfield code="z">British Columbia</marc:subfield>
      <marc:subfield code="z">Pacific Coast.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Huîtres</marc:subfield>
      <marc:subfield code="x">Alimentation</marc:subfield>
      <marc:subfield code="z">Colombie-Britannique</marc:subfield>
      <marc:subfield code="z">Pacifique, Côte du.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Diatomées</marc:subfield>
      <marc:subfield code="z">Colombie-Britannique</marc:subfield>
      <marc:subfield code="z">Pacifique, Côte du.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Fisheries Research Board of Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Manuscript reports of the biological stations ;</marc:subfield>
      <marc:subfield code="v">no. 228.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.899091</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.41 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs52-3/Fs52-3-228-eng.pdf</marc:subfield>
    </marc:datafield>
  </marc:record>
</marc:collection>
