. Die geographische Verbreitung der Nacktschnecken. Mollusks. AbharidL d. â hnckenh. I 'alurfGeseäscA Bd35, Hfl) II M'S. Ad Werner ti Winter, Frankfurt^M'. : Wassermollusken der Aru-und Kei- Inseln. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Heynemann, D. F. Frankfurt a. M. M. Diesterweg

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusks, bookyear190