BIRDS OF NORTH AND MIDDLE AMERICA 155 



fossil bones). — deGroot, Condor, xxxvi, 1934, 8, in text (Eldorado County, 

 Calif.; 2 seen). — Taverner and Sutton, Ann. Carnegie Mus., xxiii, 1934, 

 26 (Churchill, Manitoba; probably scarce transient or straggler; spec). — 

 YouNGWORTH, Wils. Bull., xlvii, 1935, 216, in text (Fort Sisseton, S. Dak.). — 

 Baillie and Harrington, Contr. Pioy. Ont. Mus. ZooL, No. 8, pt. 1, 1936, 

 19 (Ontario; rare breeder in central and northern part; distr.). — Lincoln, 

 Bird- Banding, vii, 1936, 39 (banding recovery). — Bagg and Eliot, Birds 

 Connecticut Valley in Massachusetts, 1937, 148 (habits; distr.). — Shortt 

 and Waller, Contr. Roy. Ont. Mus. ZooL, No. 10, 1937, 15 (Lake St. Martin 

 region, Manitoba; regular winter vis.; spec). — Baumgartner, Auk, Iv, 1938, 

 523, in text (Roscommon County, Mich.; nesting). — Wood, Auk, Iv, 1938, 

 123, in text (Pennsylvania; food; meas.; 294 spec). — Ricker and Clarke, 

 Contr. Roy. Ont. Mus. Zool., No. 16, 1939, 7 (Ontario; Lake Nipissing; fall 

 records).— Shortt, Contr. Roy. Ont. Mus. ZooL, No. 17, 1939, 10 (Yakutat 

 Bay, Alaska; food; spec). — Allin, Trans. Roy, Can. Inst., xxiii, pt. 1, 1940, 

 94 (Darlington Township, Ontario; rarely seen in fall and winter). — Gabriel- 

 son and Jewett, Birds Oregon, 1940, 183 (Oregon; rare resident of Cascade 

 and Blue Mountains; throughout State in fall and winter; descr. ; habits). — 

 Bond, Can. Field Nat., Iv, 1941, 34 (Grand Manan, New Brunswick; breeds). 

 — Engels, Auk, Iviii, 1941, 63, 64, in text (wing skeletal ratios). — Hand, 

 Condor, xliii, 1941, 224 (St. Joe National Forest, Idaho). — Miller, Condor, 

 xliii, 1941, 113, in text (molt). — Snyder et al., Contr. Roy. Ontario Mus. 

 ZooL, No. 19, 1941, 42 (Prince Edw^ard County, Ontario; fall and winter). — 

 Jeweit, Murrelet, xxiii, 1942, 69 (se. Alaska; Chilkat, seen). — Dixon, 

 Condor, xlv, 1943, 207 (King Canyon National Park, Calif.). — Grater, 

 Condor, xlv, 1943, 76, in text (sw. Utah; Cedar Breaks National Monument; 

 10,500 feet). — Marshall, Condor, xlvii, 1945, 171 (Boise National Forest, 

 Idaho; winter). — Munro, Can. Journ. Res., xxiii, 1945, 53 (Cariboo Park- 

 lands, British Columbia; scarce summer vis.). 



Astur (Astur) atricapilhis Kaup, Mus. Senckenb., iii, 1845, 259. 



Astur palumharius atricapillus Ridgwat, Bull. Essex Inst., v, 1873, 186 (Colorado) ; 

 in Baird, Brewer, and Ridgway, Hist. North Amer. Birds, iii, 1874, 237, 

 part. — Nelson, Bull. Essex lust., viii, 1876, 118, 119 (ne. Illinois, rare winter 

 vis.). — Langdon, Journ. Cincinnati Soc. Nat. Hist., 1879, 14 (Cincinnati, 

 Ohio; 1 rec).— Goode, U. S. Nat. Mus. Bull. 20, 1883, 307. 



Astur 'palumharius var. atricapilhis Ridgway, Ann. Lye Nat. Hist. New York, 

 X, 1874, 380 (lUinois; winter). 



Nisus (Astur) palumharius b. var. atricapillus Ridgway, Proc. Boston Soc. Nat. 

 Hist., xvi, 1873, 57 (New England). 



Nisus palumharius . . . var. atricapillus Ridgway, Ann. Lye. Nat. Hist. New 

 York, X, 1874, 380 (Illinois, winter vis.). 



Accipiter atricapillus Seebohm, Hist. Brit. Birds, i, 1883, p. iv. — American 

 Ornithologists' Union, Check-list, 1886, ed. 2, 1895, No. 334; ed. 3, 1910, 

 156.— Butler, Bull. Brookville Soc. Nat. Hist., No. 2, 1886, 23 (Franklin 

 County, Ind., Jan. 1881). — Ridgway, Man. North Amer. Birds, 1887, 228; 

 Orn. Illinois, i, 1889, 459. — Chapman, Bull. Amer. Mus. Nat. Hist., iii, 1890, 

 135 (Ducks; coastal distr. and int. Brit. Columbia). — Rives, Birds Virginia, 

 1890, 60 (Sandy Springs, Md.; occ. near Washington, D. C). — Goss, Hist. 

 Birds Kansas, 1891, 258 (Kansas; rare winter; descr.). — Bendire, Life Hist. 

 North Amer. Birds, i, 1892, 196, pi. 6, fig. 1.— Hatch, Notes Birds Minne- 

 sota, 1892, 183, 450 (Minnesota; winter; spec; descr.). — Fisher, Hawks and 

 Owls United States, 1893, 43, pi. 6. — Stone, Birds Eastern Pennsylvania 

 and New Jersey, 1894, 86 (e. Pennsylvania and New Jersey records) ; Auk, 



