. Über Vorversuche zu untersuchungen über die Vareitätenbildung von Helix hortensis Müller und Helix nemoralis 18. 23. 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 Lang, Arnold, 1855-1914. Jena, G. Fischer

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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherjenag, bookyear1904