. Die geographische Verbreitung der Nacktschnecken. Mollusks. Abhandl d Senckenb. Natur/.'Oesellsck. , Heß 3 Tai:21. 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