. The birds of eastern North America known to occur east of the ninetieth meridian [microform]. Birds; Birds; Oiseaux; Oiseaux. FAMILY (JIUJlSK, rARTItllXSRS, QIAILS, ETC". lo3 Depth of tiill at base, .40 or mure; uo black <m Inns; shafts of secondaries, black. NewfoumUaud. Allen's Ptarmigan. Lagopiis hujopns all mi. See No. ^^V ~^^ â :'?i---"^A:._ \-^ ^^- *x. "-ci â⢠â fi P I)('l)th of l)ill at bM>(>, less than .40. J)i sitmuirr: back, f^ray, inixctl uitli l>'k, i>r tawny bnlV, or ^â¢â¢I'ay anil white. In u-fnt'-r : Iiliiniaijft'. wliiti'; l


. The birds of eastern North America known to occur east of the ninetieth meridian [microform]. Birds; Birds; Oiseaux; Oiseaux. FAMILY (JIUJlSK, rARTItllXSRS, QIAILS, ETC". lo3 Depth of tiill at base, .40 or mure; uo black <m Inns; shafts of secondaries, black. NewfoumUaud. Allen's Ptarmigan. Lagopiis hujopns all mi. See No. ^^V ~^^ â :'?i---"^A:._ \-^ ^^- *x. "-ci â⢠â fi P I)('l)th of l)ill at bM>(>, less than .40. J)i sitmuirr: back, f^ray, inixctl uitli l>'k, i>r tawny bnlV, or ^â¢â¢I'ay anil white. In u-fnt'-r : Iiliiniaijft'. wliiti'; loi'cs, iKually (not always) hhick. Rock Ptarmigan. Liit/iijiiis ri^jii'stris^ e])th of bill at l), Ic-is than .40; shafts of secondaries, not black. ( onlini'il to inland of Xewfouudhiud. Welch's Ptarmigan. v'i'Ichi. See No. 2 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. Chicago : Field Columbian Museum


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectois