242 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



gomery County, Va.)- — Christy, Auk, xlviii, 1931, 374 (change of status, 

 Sandusky Bay, Lake Erie). — Snyder, Auk, xlviii, 1931, 118 in text (paired 

 ovaries). — Guthrie, Wils. Bull., xliv, 1932, 102, in text (eats snakes). — 

 Errington, Condor, xxxv, 1933, 2G (food habits in Wisconsin). — Fitzpatrick, 

 Wils. Bull., xlvi, 1934, 21, in text (paired ovaries). — Henderson, Wils. Bull., 

 xlvi, 1934, 117, in text (feeding habits). — Pierce, Auk, li, 1934, 254 (catching 

 mice; Buchanan County, Iowa); Proc. Iowa Acad. Sci., xlvii, 1941, 375 

 (ne. Iowa; winter). — Taverner, Birds Canada, 1934, 124 (Canada; genl.; 

 col. fig.; distr.); Condor, xxxviii, 1936, 66, 69, 71, in text (tax.); Can. Water 

 Birds, 1939, 134 (Canada; descr.). — Taverner and Sutton, Ann. Carnegie 

 Mus., xxiii, 1934, 26 (Churchill, Manitoba; probably rare wanderer from 

 forested interior; 3 sight records). — Baillie and Harrington, Contr. Roy. 

 Ontario Mus. Zool., No. 8, pt. 1, 1936, 21 (Ontario; summer res.; distr.). — 

 Lincoln, Bird-Banding, vii, 1936, 39 (banding recoveries). — Bagg and Eliot, 

 Birds Connecticut Valley in Massachusetts, 1937, 132 (Connecticut Valley, 

 Mass.; habits). — Cooke, Bird-Banding, viii, 1937, 53 (longevity; banding 

 recoveries). — Groebbels, Der Vogel, ii, 1937, 23, in text (right ovary), 204 

 (uses leaves as nest materials). — Shortt and Waller, Contr. Roy. Ontario 

 Mus. Zool., No. 10, 1937, 15 (Kale St. Martin region, Manitoba; spec). — 

 Errington and Breckenridge, Wils. Bull., 1, 1938, 114, in text, part (Wis- 

 consin; Iowa; food habits). — Sntder, Trans. Roy. Can. Inst., xxii, 1938, 184 

 (w. Rainy River district, Ontario; descr.; nest.; spec). — Nice, Bird-Banding, 

 X, 1939, 43, in text (longevity). — Ricker and Clarke, Contr. Roy. Ontario 

 Mus. Zool., No. 16, 1939, 7 (Ontario; Lake Nipissing; rare, summer). — 

 Allin, Trans. Roy. Can. Inst., xxiii, 1940, 95 (Darhngton Township, Ontario; 

 reg. summer res.). — Engels, Auk, Iviii, 1941, 63, 64, in text (skeletal ratios). — 

 Snyder et al., Contr. Roy. Ontario Mus. Zool., No. 19, 1941, 43 (Prince 

 Edward County, Ontario; occ migr. spring and fall; occ winter; not in 

 summer). — Stewart, Auk, Ix, 1943, 390 (Shenandoah Mountains; breeds). — 

 Fisher, Auk, Ixii, 1945, 126, 127 (flight and musculature). — Hartman, 

 Auk, Ixiii, 1946, 52 (endocrines) . 



Buteo (Buteo) horealis Kaup, Mus. Senckenb., iii. Heft 3, 1945, 261. 



Buteo horealis a, var. horealis Ridgway, Proc. Boston Soc. Nat. Hist., xvi, 1873, 

 66; Orn. Illinois, i, 1889, 465, 466.— Coues. Birds Northwest, 1874, 352. 



Buteo horealis horealis Ridgway, in Baird, Brewer, and Ridgway, Hist. North 

 Amer. Birds, iii, 1874, 282.— Nelson, Bull. Essex Inst., viii, 1876, 119 (ne. 

 Illinois; common).— Goode, U. S. Nat. Mus. Bull. 20, 1883, 309.— Bangs, 

 Proc. New England Zool. Club, ii, 1901, 68, in text. — American Ornitholo- 

 gists' Union, Check-list, ed. 2, 1895, 130; ed. 3, 1910, 157; ed. 4, 1931, 65; 

 Auk, Ixi, 1944, 444 (nomencl.).— Barrows, Michigan Bird Life, 1912. 280. 

 (Michigan; habits, description, distribution). — Bailey, Birds Virginia, 1913, 

 111 (Virginia; distr. ;"descr.; habits) ;[Birds Florida, 1925, 69, pi. 37 (fig.; distr.; 

 Florida). — Sage, Bishop, and Bliss, Birds Connecticut, 1913, 77. — Town- 

 send, Auk, XXX, 1913, 6 (Natashquam River, Labrador); Mem. Nuttall 

 Orn. Club, No. 5, 1920, 101 (Essex County, Mass.; status; habits).— Eaton, 

 Birds New York, ii, 1914, 81, pis. 43, 46, 47.— Horsbrugh, Ibis, 1916, 682 

 (Alix and Buffalo Lake districts, Alberta; breeding). — Bailey, Iowa Geol. 

 Surv. Bull. 6, 1918, 93 (monogr; Iowa). — Swann, Synop. List Accip., pt. 2, 

 1919, 47; Synop. Accip., ed. 2, 1922, 77; Monogr. Birds Prey, i, 1926, 389 

 (monogr). — Burns, Orn. Chester County, Pa., 1919, 52 (status; habits). — 

 Pearson, Brimley, and Brimley, Birds North CaroHna, 1919, 167 (North 

 Carolina; descr.; distr.; habits); 1942, 93 (North Carolina; descr.; distr.; 

 habits).— Holt, Geol. Surv. Alabama, Mus. Pap. No. 4, 1921, 49 (Alabama, 



