<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.963035</marc:controlfield>
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    <marc:controlfield tag="005">20260601171930</marc:controlfield>
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    <marc:controlfield tag="008">260525e195101##nkcbd   ob   f000 0 eng d</marc:controlfield>
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      <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>
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    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cnm--</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">Fs52-3/414E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Medcof, J. C. </marc:subfield>
      <marc:subfield code="q">(John Carl), </marc:subfield>
      <marc:subfield code="d">1911- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">"1945 investigations - clams and oysters" / </marc:subfield>
      <marc:subfield code="c">author J.C. Medcof and J.S. MacPhail.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">St. Andrews, N.B. : </marc:subfield>
      <marc:subfield code="b">Fisheries Research Board of Canada, </marc:subfield>
      <marc:subfield code="c">January 1951.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">1 online resource (92 pages) : </marc:subfield>
      <marc:subfield code="b">maps, graphs.</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>
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    <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. 414</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Cover title.</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="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 91-92).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Almost no research was done on oysters but the scope of the clam studies was greatly increased by the transfer of responsibility for the investigation of the paralytic shellfish poison problem from Dr. Wilder and Dr. Leim to the clam investigator"--Introduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Clams</marc:subfield>
      <marc:subfield code="z">Maritime Provinces</marc:subfield>
      <marc:subfield code="v">Observations.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Clams</marc:subfield>
      <marc:subfield code="z">Maritime Provinces</marc:subfield>
      <marc:subfield code="x">Growth.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Oysters</marc:subfield>
      <marc:subfield code="z">Maritime Provinces</marc:subfield>
      <marc:subfield code="x">Growth.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Myes</marc:subfield>
      <marc:subfield code="z">Provinces maritimes</marc:subfield>
      <marc:subfield code="v">Observations.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Myes</marc:subfield>
      <marc:subfield code="z">Provinces maritimes</marc:subfield>
      <marc:subfield code="x">Croissance.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Huîtres</marc:subfield>
      <marc:subfield code="z">Provinces maritimes</marc:subfield>
      <marc:subfield code="x">Croissance.</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="b">Biological Station (St. Andrews, N.B.), </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. 414.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.899091</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">18.5 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2026/mpo-dfo/fs52-3/Fs52-3-414-eng.pdf</marc:subfield>
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