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smithsonian librariespictorial worksinsectszoologygeneral zoology, or systematic natural history v.6:pt.1 (1806)periodgeneral zoology, or systematic natural history v.6:pt.2 (1806)gastropodaunionidaeobservations on the genus unio, together with descriptions of new genera and species ... v.6-8 (1857)
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smithsonian institution librariesillustrations xxi
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