. Die Süsswasser-Diatomaceen (Bacillarien) : Für Freunde der Mikroskopie. Fragilariaceae. Del X .llaie>n7i^rst - ])rii<k V F FrAr^kr Drg^d'. Ltlh V £ AsSTnavfi:. 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 Rabenhorst, Ludwig, 1806-1881. Leipzig : E. Kümmer

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Keywords: ., bookcentury1800, bookdecade1850, booksubjectfragila, bookyear1853