. Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe. Mathematics; Science. D. V. Ettingshausen. Die Blattskelete der Apertalen. Taf. Piper sp. 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 Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. Wien : Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei

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Keywords: ., book, bookcentury1800, booksubjectmathematics, booksubjectscience