. Bonner zoologische Monographien. Zoology. 62. Abb. 17: Trinken der Psittacinae [Poicephalus senegalus). 1—7: fortlaufende Numerierung der Einzelbilder, aufgenommen mit einer Filmgeschwindigkeit von 64 Bildern/sec. Punktra- ster: Zunge; g Gaumenlappen, n 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 Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig

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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology