. Der Bau der Vögel. Birds. Verdauungsorgane. 305 Wir haben es also bei dieser Haut mit einer Kuti- kularbildung, einem bei Wirbeltieren sehr seltenen Vor- RP. y m^ s z — \'. 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 Marshall, William. Leipzig [Germany] : J. J. Weber

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1895