. Dansk ornithologisk forenings tidsskrift. Birds -- Periodicals; Birds -- Denmark Periodicals. 117 Efter Andens Løbenummer følger, hvor det i Farten har kunnet af- gøres sikkert, Angivelse af P'uglens Alder^ og Køn, og derefter Datum for Mærkningen, der, naar ikke andet meddeles, er udført af mig 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 Dansk ornitologisk forening. [Kavn] : Den Forening

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Keywords: ., boo, bookcentury1900, bookdecade1900, booksubjectbirdsperiodicals