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Keywords from Image Description:
Illustrations of the conchology of Great Britain and Ireland Plate . PLATE XLV UmUlicated Fig TROCHUS magus Trochus magus Mont Test Brit Brit Zool iv Brown in Enri Brit vi ' Fig TROCHUS umbilicatus Tbochus umbilicatus Maul Te it Brit Bonov Brit Shells iii Three middle figures Tur ton's Brit Fauna Fig TROCHUS tumidus