. Die Enteropneusten des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. Enteropneusta; Hemichordata; Protochordates. . 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 Spengel, Johann Wilhelm, 1852-1921. Berlin : Verlag von R. Friedländer & Sohn

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Keywords: ., bookcentury1800, bookcollectionbiod, bookdecade1890, bookyear1893