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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Mollusca -- classification ✖Remove constraint Subjects: Mollusca -- classification Titles Description of a new mollusk from the red sandstone, near Pottsville, Pa ✖Remove constraint Titles: Description of a new mollusk from the red sandstone, near Pottsville, Pa

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  • Description of a new mollusk from the red sandstone, near Pottsville, Pa1