<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="005">20260601172541</marc:controlfield>
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    <marc:controlfield tag="008">260525s1949    nkca    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:subfield code="a">n-cn-ns</marc:subfield>
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      <marc:subfield code="a">Fs52-3/398E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Giglioli, M. E. C., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Some observations on the biology of the whelk, Polynices heros Say (1822), and Polynices triseriata Say (1826), at Belliveau Cove, Nova Scotia / </marc:subfield>
      <marc:subfield code="c">author M.E.C. Giglioli.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="246" ind1="1" ind2="6">
      <marc:subfield code="a">Report on Polynices investigation at Belliveau's Cove, Nova Scotia, 1946-1949</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, Atlantic Biological Station, </marc:subfield>
      <marc:subfield code="c">1949.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">1 online resource (140 pages, 7 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
    </marc:datafield>
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      <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>
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    <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>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Manuscript reports of the biological stations ; </marc:subfield>
      <marc:subfield code="v">no. 398</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">Imperfect: Some figures are missing.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes errata and acknowledgement dated March 1950.</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.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Owing to unforeseen limitations it has been necessary to subdivide this report into two sections. The one dealing with the biology of the whelk, Polynices and the second with the attempts to control the Canadian species and with the related investigations on clam (Mya) relaying in Polynices infested areas"--Summary, page 139.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Polinices</marc:subfield>
      <marc:subfield code="z">Nova Scotia</marc:subfield>
      <marc:subfield code="v">Observations.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Polinices</marc:subfield>
      <marc:subfield code="x">Biological control</marc:subfield>
      <marc:subfield code="z">Nova Scotia.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Polinices</marc:subfield>
      <marc:subfield code="z">Nouvelle-Écosse</marc:subfield>
      <marc:subfield code="v">Observations.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Polinices</marc:subfield>
      <marc:subfield code="x">Lutte biologique contre</marc:subfield>
      <marc:subfield code="z">Nouvelle-Écosse.</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. 398.</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">10.6 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2026/mpo-dfo/fs52-3/Fs52-3-398-eng.pdf</marc:subfield>
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