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Proceedings of the Zoological Society of London Mollusca Plate XXXVI . ProcZSlMkLscainyi ICylmiireila Gliiesbregtiii pr tarrisPf cl Vdiy iuBteEf anoL var LombeiPf axiA var aEGreviIleiPr GBSoirerWaele ii WWetIm Mollusca Plate XXXVI Illustration biodiversitylibrary org Zoological Society of London Zoological Society