. The ornithology of Illinois. Part I. Descriptive catalogue. Birds. Aix Aylhva IFulig-ala) mari. 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 Ridgway, Robert, 1850-1929; Illinois. Natural History Survey Division. Springfield, Ill. , H. W. Rokker, Printer

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Keywords: ., bookauthorridg, bookcentury1800, bookdecade1880, booksubjectbirds