. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Jeune Ps. angustifrons mále, ágé d'environ 8 mois, á la mangeoire — remarquez le front clair. Ps. angustifrons — scéne de gloutonnerie; deux males agés soupillant occupent le centre tandis que deux femelles attendent leur 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 Forschu
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Jeune Ps. angustifrons mále, ágé d'environ 8 mois, á la mangeoire — remarquez le front clair. Ps. angustifrons — scéne de gloutonnerie; deux males agés soupillant occupent le centre tandis que deux femelles attendent leur 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
