644 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



112 (Disco Island).— Sharpe, Proc. Zool. Soc. London, 1873, 417, pi. 39. — 

 Dresser, Orn. Misc., i, 1876, 190 (Labrador). — Feilden, Ibis, 1877, 403 

 (Cape Hayes; Cape Fraser; Cape Napoleon; Greenland). — Coues, Check 

 List North Amer. Birds, ed. 2, 1882, No. 501; Key North Amer. Birds, ed. 2, 

 1884, 533.— Bell, Rep. Prog. Geol. and Nat. Hist. Surv. and Mus. Canada, 

 1885 (1884), 54 (Port Burwell, Labrador; Aug. and Sept.).— Feilden, Trans. 

 Norfolk and Norwich Nat. Soc, iv. 1887, 349 (Digges Island; Hudson 

 Strait; West Digges Island; nesting).— Taylor, Wils. Bull., xHx, 1937, 86, 

 in text (Greenland; winters). 



Faico islandicus candicans Holboell, Zeitschr. Ges. Naturw., iii, 1854, 426. 



Falco {Hierofalco) candicans Ridgway, Proc. Acad. Nat. Sci. Philadelphia, xxii, 

 1870, 140. 



Falco (Hierofnlco) sacer, a. var. candicans Ridgway, Proc. Boston Soc. Nat. 

 Hist., xvi, 1873, 44. 



Falco (Hicrofalco) gyrfalco, var. candicans Ridgway, in Baird, Brewer, and 

 Ridgway, Hist. North Amer. Birds, iii, 1874, 108, 111, fig. on p. 112, part 

 (Greenland; Moose Factory; Hudson Bay Territorj-). 



Falco rusticolus candicans Hartert, Vog. pal. Fauna, ii, 1913, 1064 (Labrador; 

 range; monogr. ; crit. on obsoletus). — Ramsay, Guide to Birds of Europe and 

 North Africa. 1923, 180 (descr., range). — Helms, Medd. Gr0nland, Iviii, 

 1926, 256 (Angmagsalik, Greenland; habits, etc.). — Koelz, Wils. Bull., 

 xli, 1929, 208, in text (crit.; distr.).— ? Batiot, L'Oiseaux, xi, 1930, 377 

 (Vendee, France).— Gillman, Brit. Birds, xxiv, 1930, 131 (Inverness-shire, 

 England). — Nicholson, Ibis, 1930, 313 (Greenland; crit.). — American 

 Ornithologists' Union, Check-hst, ed. 4, 1931, 73; Auk, Ixi, 1944, 445 

 (nomenclature). — Humphreys, Brit. Birds, xxiv, 1931, 225 (Ireland; rec- 

 ords). — Peters, Check-list Birds of World, i, 1931, 286.— Schiller, Denmarks 

 Fugle, iii, 1931, 367 (col. fig.; monogr.). — Austin, Mem. Nuttall Orn. Club, 

 No. 7, 1932, 67 (Newfoundland Labrador), 68, in text (crit.). — Gumming, 

 Murrelet, xiii, 1932, 6 (Vancouver, British Columbia). — Loppenthin, Medd. 

 Gr0nland, xci, No. 6, 1932, 101, 125 (ne. Greenland; rare summer res.). — 

 Magee, Auk, xlix, 1932, 216 (spec; Sault Ste. Marie, Mich.).— Maynard, 

 Auk, xhx, 1932, 217 (Wayland, Mass.). — Roberts, Birds Minnesota, i, 

 1932, 350 (distr.; habits; Minnesota). — Sutton, Mem. Carnegie Mus., xii, 

 1932, 82 (Southampton Island; habits).— Ticehurst, Birds Suffolk, 1932, 

 234 (stat.; habits; Suffolk, England). — Beebe, Wils. Bull., xlv, 1933, 79, in 

 text (Sault St. Marie, Mich.; spec). — Griscom, Trans. Linn. Soc. New 

 York, iii, 1933, 95 (Dutchess County, N. Y.; 1 record). — Jourdain, Auk, 

 1, 1933, 202 (distr.). — Poole, Auk, 1, 1933, 97 (spec, in Reading Museum 

 taken in Carbon County, Pa.; near Forest Inn, Nov. 11, 1928). — Weyde- 

 meyer, Condor, xxxv, 1933, 122, in text (Fortine, Mont.; 1 seen); Auk, Iii, 

 1935, 202, in text (Fortine, Mont.; seen). — Bergman, Kenntn. Nordostasiat. 

 Vogel, 1935, 90 (Kamchatka; spec, crit., habits), 217 (Kurile Islands; spec). — 

 Swarth, Pacific Coast Avif., No. 22, 1934, 25 (Nunivak Island, Alaska; specs.; 

 colors of head and foot; plum.; crit.). — Taverner, Birds Canada, 1934, 

 144, in text (Canada; genl.); Canada's Eastern Arctic, 1934, 119, in text 

 (Arctic Canada; plum.). — Bird, Ibis, 1935, 843 (Jan Mayen Land); 1941, 

 132, in text (Greenland).— Broun, Auk, Iii, 1935, 243, 247 (Hawk Mountain, 

 Pa.; migr.); Auk, Ivi, 1939, 437, in text (Hawk Mountain, Pa.; migr.). — 

 Dalgerty, Ibis, 1936, 583 (Greenland; 4 records). — Groebbels, Der Vogel, 

 ii, 1937, 169 (data on breeding biology).— Gross, Auk, liv, 1937, 21, in text 

 (Labrador). — van Tyne, Occ. Pap. Mus. Zool. Univ. Michigan, No. 379, 



