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By: Southwick, Walter EType: ArticleIn: The Biological bulletinVolume: 77Series:Issue:Date: 1939-10-01Page Range: 147--156Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects:
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By: Southwick, Walter EType: ArticleIn: The Biological bulletinVolume: 77Series:Issue:Date: 1939-10-01Page Range: 157--165Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects: