. Birds of America;. Birds -- North America. Courtesy of tho N<.-w York Stat-- Muswum Plate 6=. NIGHTHAWK Chordeih^ virginianus virgininnna (Gmelin) MALE i nnt. yize ^ Antrostomiis vocifmis vocijerus (Wilson) MALE h n^t. size. 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 Pearson, T. Gilbert (Thomas Gilbert), 1873-1943. New York, The University Society

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Keywords: ., bookcentury1900, bookdecade1920, bookidbirdsofameri, bookyear1923