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By: Winckworth, RonaldType: ArticleIn: Proceedings of the Malacological Society of LondonVolume: 15Series:Issue:Date: 1922-04-01Page Range: 32--34Publication Info: London, Dulau,Subjects:
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By: Winckworth, RonaldType: ArticleIn: Proceedings of the Malacological Society of LondonVolume: 15Series:Issue:Date: 1922-12-01Page Range: 95--97Publication Info: London, Dulau,Subjects: