. Bulletin of the British Ornithologists' Club. Birds. M. W. Fraser & D. jf. Briggs 196 Bull. 1992 112(3) 28 26 24 22 J 20 18 16 14 12 _ 10 8 6 4 _ 0. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AGE OF CHICKS (DAYS) 44 42 40 38 36 34 32 30 28 E 26. E 24 22. 20. 18 16 14 12 10 8 6 4 2 0. 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 British Ornithologists' Club. London : The Club

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1893