. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY GliOUSE, PARTRIDGES, QUAILS, ETC. 153 Depth of bill at base, .40 or more; no black ou lores; shafts of secondaries, black. Newfoundland. Allen's Ptarmigan. Lagopus lagopiis alieni. See No. -^"^^^^^rrr^^^'lt^vSI W^^^l^"" Depth of bill at base, less than .40. In summer: back, gray, mixed with black, or tawiiy buff, or graj' and white. In viinter: plumage, white ; lores, usually (not always) lilack. Rock Ptarmigan. La<jopns nipestria^ mul races. See No. 242. S


. The birds of eastern North America known to occur east of the nineteenth meridian ... Birds. FAMILY GliOUSE, PARTRIDGES, QUAILS, ETC. 153 Depth of bill at base, .40 or more; no black ou lores; shafts of secondaries, black. Newfoundland. Allen's Ptarmigan. Lagopus lagopiis alieni. See No. -^"^^^^^rrr^^^'lt^vSI W^^^l^"" Depth of bill at base, less than .40. In summer: back, gray, mixed with black, or tawiiy buff, or graj' and white. In viinter: plumage, white ; lores, usually (not always) lilack. Rock Ptarmigan. La<jopns nipestria^ mul races. See No. 242. Similar to Lagopus rnpestris, but iu summer, back, more heavily barred, f'ontiued to Northern Labrador aud Greenland. Reinhardt's Ptarmigan. Lagopus rupestris reinhanlti. See No. 243. Depth of bill at base, less than .40; shafts of secondaries, not black. to island of Newfoundland. C'oufiued Welch's Ptarmigan. Lagopxis welelii. 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 Columbian Museum. Chicago, Special edition printed for the Field Columbian Museum


Size: 2267px × 1103px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorfiel, bookcentury1800, bookdecade1890, booksubjectbirds