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Keywords from Image Description:
Illustrations of the conchology of Great Britain and Ireland Plate . PLATE II Fig VERMILIA triquetra Vermilia triquetra Lam Si Serpula triquetra Mont Test Brit LiJin Trans vjii Fig SERPULA vermicularis Serpula vermicularis Lam Syst Mont Test Brit Bronm in Ency Brit vi Fig SERPULA tubularia Serpula tubularia Mont Test Brit