. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Photographies fig. 2-4: microscope électronique á balayage du Museum d'Histoire naturelle de Genéve (Dr. Jean Wuest).. 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 Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut

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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology