. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY (iUOlSK, I'AKTin IMJKS, (^TAILS, ETC. \ oA Depth of hill at base, .40 or more; no black on Ions; shafts of secondaries, black. Newfoundland. Allen's Ptarmigan. Lar/opiis Uifjapus allrni. See No. Deptli of bill at base, h'ss than .40. In unmmer: back, gray, mixed with black, or tawnj' buff, or graj- and wliite. In winter: plumage, white; lores, usually (not always) black. Rock Ptarmigan. Lfif/opus riipeslris^ and races. See No. 242. birallar to Laijopns rupestrts, but in summe


. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY (iUOlSK, I'AKTin IMJKS, (^TAILS, ETC. \ oA Depth of hill at base, .40 or more; no black on Ions; shafts of secondaries, black. Newfoundland. Allen's Ptarmigan. Lar/opiis Uifjapus allrni. See No. Deptli of bill at base, h'ss than .40. In unmmer: back, gray, mixed with black, or tawnj' buff, or graj- and wliite. In winter: plumage, white; lores, usually (not always) black. Rock Ptarmigan. Lfif/opus riipeslris^ and races. See No. 242. birallar to Laijopns rupestrts, but in summer, back, n\ore heavily (Ontined to Northern Labrador and Greenland. Reinhardt's Ptarmigan. Lagopus rujiestris reinhanlti See No. 243. Depth of bill at base, less than .40; shafts of secondaries, not black, (ontined to island of Newfoundland. Welch's Ptarmigan. Lagopus welchi. See No. 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 Cory, Charles B. (Charles Barney), 1857-1921; Field Museum of Natural History. Chicago, Special edition printed for the Field Columbian museum


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Keywords: ., bookauthorcory, bookcentury1800, bookdecade1890, booksubjectbirds