106 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



LAGOPUS LAGOPUS UNGAVUS Riley 



Uncava Ptarmigan 



Adults, all plumages. — Similar to the corresponding plumage of Lagopus 

 lagopus alascensis but with the bill heavier — its outline, when viewed from 

 above, more swollen. 



Juvenal (sexes alike). — Similar to that of L. I. alascensis but bill wider 

 at gape. 



Downy young (sexes alike). — Similar to that of L. I. alascensis but 

 with the blackish markings reduced in width and the general body color 

 slightly tinged with pale orange-buff. 



Adult male.— Wing 182-203 (193); tail 110-130 (121.4); bill from 

 anterior end of nostril to tip 10.9-13 (11.8) ; width of bill at gape 13-15.8 

 (14.3) ; height of bill at angle of gonys 10.8-12.2 (11.6 mm.).^ 



Adult femate.—Wing 176-191 (184) ; tail 101-119 (106.7) ; bill from 

 anterior end of nostril to tip 10.1-11.6 (10.7) ; width of bill at gape 12.2- 

 14.1 (13.3); height of bill at angle of gonys 10.1-11.1 (10.6 mm.).» 



Range. — Inhabits northern Quebec (Fort Chimo) and Labrador 

 (Okkak) ; southern limits not known. 



Type locality. — Fort Chimo, Ungava. 



Lagopus albus (not Tetrao albtis Gmelln) Baikd, Rep. Pacific R.R. Surv., ix, 1S58, 

 633, part (Labrador) ; Cat. North Amer. Birds, 1859, No. 467, part.— Codes, 

 Proc. Acad. Nat. Sci. Philadelphia, 1861, 227 (Labrador) Check List North 

 Amer. Birds, 1874, No. 386, part; ed. 2, 1882, No. 568, part.— Elliot, Monogr. 

 Tetraonidae, 1865, pis. 17, 18, and text, part. — Baird, Brewer, and Ridgway, 

 Hist. North Amer. Birds, iii, 1874, 457, part (habits ; descr. ; distr.) . — Turner, 

 Proc. U. S. Nat. Mus., viii, 1885, 245 (Fort Chimo, Ungava; breeding). — 

 Stearns, Bird Life in Labrador, n. d. ca. 1890, 48 (Labrador; habits). — 

 Hantszch, Can. Field Nat., xlii, 1928, 12, 13 (Cumberland Sound, Labrador). 



L[agopus] albus Coues, Key North Amer. Birds, ed. 2, 1884, 586, part. 



[Lagopus] albus Coues, Key North Amer. Birds, 1872, 235, part. 



Lagopus lagopus (not Tetrao lagopus Linnaeus) Ogilvie-Grant, Cat. Birds Brit 

 Mus., xxii, 1893, 40, part (Fort Chimo) ; Handb. Game Birds, i, 1896, 36, part.— 

 Macoun, Cat. Can. Birds, 1900, 205, part (Labrador). — Macoun and Macoun, 

 Cat. Can. Birds, 1909, 223, part (Labrador). 



Lagopus lagopus lagopus Hantzsch, Journ. fiir Orn., 1908, 36S (ne. Labrador). — 

 American Ornithologists' Union, Check-list, ed. 3, 1910, 140, part. — Clark, 

 Proc. U. S. Nat. Mus., xxxviii, 1910, 53 in text, part (n. Labrador). — ? Lewis, 

 Auk, xlv, 1928, 228 (breeding near Bluff Harbor, Labrador).— ? Austin, 

 Mem. Nuttall Orn. Qub, No. 7, 1932, 74 (habits, descr. ; Newfoundland, Labra- 

 dor). — Peters, Check-list Birds of World, ii, 1934, 30, part. — Hellmayr and 

 CoNOVER, Cat. Birds Amer., i. No. 1, 1942, 201, part. 



Lagopus lagopus ungavus Riley, Proc. Biol. Soc. Washington, xxiv, 1911, 233 (Fort 

 Chimo, Ungava; coll. U. S. Nat. Mus.). — American Ornithologists' Union, 

 Auk, xxix, 1912, 381; Check-list, ed. 4, 1931, 82 (distr.).— Bent, U. S. Nat. 

 Mus. Bull. 162, 1932, 197 (habits). 



' Thirteen specimens from northern Ungava. 

 ' Ten specimens from northern Ungava. 



