BIRDS OF NORTH AND MIDDLE AMERICA 641 



ship, Ontario; 1 rec.).— Bird, Ibis, 1940, 671, in text (East Greenland; 

 res,).— Black, Auk, Iviii, 1941, 254 (Jefferson County, Wis.; spec). — 

 Snyder et al., Contr. Roy. Ontario Mus. Zool., No. 19, 1941, 45 (Prince 

 Edward County, Ontario; 1 sight rec.). — Munro, Can. Journ. Res., D., 

 xxiii, 1945, 56 (British Columbia; Cariboo Parklands; 1 rec.).— Bond, 

 Condor, xlviii, 1946, 107, in text (competition with duck hawk).— Murie, 

 Condor, xlviii, 1946, 254 (Alaska, Mount McKinley National Park). — 

 Spofford, Auk, Ixiii, 1946, 87 (patterns of remiges). 



Falco rusticolus rusticolus Over and Thoms, Birds South Dakota, 1921, 87 (South 

 Dakota; rare in winter; spec.).— Wood, Misc. Pub. Mus. Zool. Univ. Michi- 

 gan, No. 10, 1923, 41 (North Dakota; 3 specs.; accid.); Auk, xlii, 1925, 452 

 (Mandan, N. Dak.). — Taverner, Birds Western Canada, 1926, 206, in 

 text (plum.; fig.). — Swarth, Univ. California Publ. Zool., xxx, 1926, 111 

 (Atlin region, Brit. Columbia; nesting). — Williams, Wils. Bull., xxxviii, 

 1926, 33 (status. Red River Valley, ne. North Dakota).— Forbush, Birds 

 Massachusetts and Other New England States, ii, 1927, 160, pi. 42 (fig., 

 descr., habits. New England records). — Wondergem, Auk, xUv, 1927, 260, 

 in text (Aurora, N. Y.). 



Falco rusticolus subsp. Hill, Auk, Ixi, 1944, 230, 231 (meas.). 



Hierofalco rusticolus Turner, Proc. U. S. Nat. Mus., viii, 1885, 243 (Fort Chimo, 

 Quebec; winter). 



Falco albiis Kluk, Hist. Nat., ii, 1779, 206. 



Falco islandus, j3 albus Gmelin, Syst. Nat., i, pt. 2, 1788, 271. 



Falco buteo 5 Latham, Index Orn., i, 1781, 24; Gen. Hist., i, 80, A. 



Falco lagopus jS Latham, Index Orn., i, 1781, 19 { = Falco fuscus Fabricius) ; Gen. 

 Hist., i, 1821, 68, A; Syn., Suppl., i, 1787, 36. 



Falco gyrfalco (not of Linnaeus) Boddaert, Tabl. Planches Enlum., 1783, 13, 

 26 {ex PI. Enl. 210, 446). — Reinhardt, Journ. fur Orn., 1854, 438 (Green- 

 land),— Taczanowski, Bull. Soc. Zool. France, 1883, 331.— Stearns, Bird Life 

 in Labrador, ca. 1890, 45 (Labrador, nesting). — Nice, Bird-Banding, x, 1939, 

 128, in text (geogr. variability). 



Falco (Hierofalco) gyrfalco var. gyrfalco Ridgwat, in Baird, Brewer, and Ridgway, 

 Hist. North Amer. Birds, iii, 1874, 108, footnote. 



Falco rusticolus gyrfalco Stejneger, Auk, ii, 1885, 187. — American Ornithol- 

 ogists' Union, Check-hst, 1886, No. 354a; ed. 2, 1895, 137; ed. 3, 1910, 164.— 

 Ridgwat, Man. North Amer. Birds, 1887, 246.— Cooke, Bird Migr. Mis- 

 sissippi Valley, 1888, 118 (Vermillion, Dakota). — Hatch, Notes Birds Min- 

 nesota, 1892, 198, 456 (spec; descr.). — Grinnbll, Pacific Coast Avif., No. 1, 

 1900, 37, 76 (Kotzebue Sound, Kowak Valley, Alaska; common; habits). — 

 Townsend, Mem. Nuttall Orn. Club, No. 3, 1905, 212 (Melrose, Mass.; 1 

 spec); No. 5. 1920, 106 (Essex County, Mass.; previous records erroneous). — 

 Townsend and Allen, Proc. Boston Soc. Nat. Hist., xxxiii, 1907, 369 (Lab- 

 rador, trans.; Okak, Hopedale; winter; plum.); in Grenfell's Labrador, 1909, 

 474 (Canadian Labrador; transient vis.). — Anderson, Rep. Dept. Mines 

 Canada for 1916 (1917), 380 (Cape Bathurst, Northwest Territories). — 

 Griscom, Birds New York City Region, 1923, 196 (status, New York City).— 

 Stoddard, Auk, xl, 1923, 325, in text (Sauk County, Wis.). — Bicknell, 

 Auk, xh, 1924, 66, in text (status on Long Island, N. Y.). — Taverner, Birds 

 Western Canada, 1926, 206, in text, fig. (plum., etc.). — Beck and Roddy, 

 Auk, xhv, 1927, 250, in text (Lancaster County, Pa.). — Forbush, Birds 

 Massachusetts and Other New England States, ii, 1927, 161, pi. 42 (col. fig.; 

 descr.; habits; New England). — Soper, Nat. Mus. Canada Bull. 53, 1928, 

 107 (s, BaflSn Island), — Snyder and Logier, Trans. Roy. Can. Inst., xviii, 



