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A monograph on the subclass Cirripedia Pl. . IBLA SfALPILLVM Ceo rq Sow erhj Pl Illustration biodiversitylibrary org title Darwin Charles NameFound Ibla NameConfirmed Ibla EOLID NameBankID Biodiversity Heritage Library monograph on the subclass Cirripedia with figures of all the species Barnacles Cirripedia MBLWHOI