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By: Fraipont, Julien,Edition:Publication info: Berlin, R. Friedländer & sohn, 1887Volume: no.14 (1887)Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Annelida Naples, Bay of (Italy) Polychaeta PolygordiusBHL Collections:
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By: Woltereck, Richard,Edition:Publication info: Stuttgart, E. Nägele, 1902-Volume: Heft.34=1 (1902)Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Embryology Polygordius WormsBHL Collections: