. Die Schwalbe : Berichte des Comité's für ornithologische Beobachtungs-Stationen in Ãsterreich. Swallows; Birds; Ornithology. !i 10° Ãbexsiclitskarte 50V jornitbologischen Beobachtungs-Stationen^. : â , , " 'iiltW»*r-i. 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 Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. Wien : K. K. Zoolog. -Botan. Gesellschaft

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectorn