BIRDS OF NORTH AND MIDDLE AMERICA 705 



1912, 10 (California); No. 11, 1915, 68, part (common winter vis.; whole of 

 California).— Tyler, Pacific Coast Avif., No. 9, 1913, 46 (Fresno County, 

 Calif.; rare in winter). — Grave and Walker, Birds Wyoming, 1913, 43 

 (Wyoming; migr.; possibly breeds in alpine districts). — Brooks, Bull. Mus. 

 Comp. Zool., lix, 1915, 399 (Demarcation Point, n. Alaska, May 31). — 

 Brooks, Auk, xxxiv, 1917, 39 (Chilliwack, British Columbia, after August).— 

 Howell, Pacific Coast Avif., No. 12. 1917, 57 (San Clemente Island; Calif.; 

 Mar. 30— Apr. 11; San Cruz Island, Nov., Dec.).— Fleming, Ibis, 1920, 402, 

 part (Saskatchewan; breeding). — Saunders, Pacific Coast Avif., No. 14, 

 1921, 06 (Montana; rare summer; migr.). — Gabrielson, Condor, xxiv, 1922, 

 34, in text (Harney Valley, Oreg.). — Dawson, Birds California (students' 

 ed.), iii, 1923, 1630 (genl.; California). — Grinnell and Storer, Animal Life 

 Yosemite, 1924, 295 (distr.; habits; Yosemite, Calif.).— Gabrielson, Auk, 

 xli, 1924, 556 (near Enterprise, Greg.).— Richards, Condor, xxvi, 1924, 100 

 (Grass Valley district, Cahf.). — Wyman and Burnell, Field Book Birds 

 Sothwestern United States, 1925, 106 (descr.).— Taverner, Birds Western 

 Canada, 1926, 209, in text (breeding range; Canada).— Hue Y, Auk, xliii, 1926, 

 353 (Santo Domingo, nw. Lower California).— Kelso, Ibis, 1926, 703 (Arrow 

 Lakes, Brit. Columbia; rare).— Huey, Condor, xxviii, 1926, 102, in text 

 (San Diego, Calif.). — Bailey, Condor, xxviii, 1926, 124 (Demarcation Point 

 and Unalaska; Alaska); Auk, xliv, 1927, 205 (mouth of Stikine River, Hoonish 

 Sound, etc., se. Alaska). — Mailltard, Proc. California Acad. Sci., ser. 4, 

 xvi, 1927, 300 (Modoc County, Calif.).— Bailey, Birds New Mexico, 1928, 

 192 (genl.; New Mexico). — Jewett, Condor, xxx, 1928, 357, in text (near 

 Arlington, Greg.).- Burleigh, Auk, xlvi, 1929, 511 (Seattle, Wash.); 

 Laing and Taverner, Ann. Rep. Nat. Mus. Canada for 1927 (1929), 80, in 

 text (Chitina River region, Alaska). — Kemsies, Wils. Bull., xlii, 1930. 204 

 (Yellowstone Park, Wyo.). — Gabrielson. Condor, xxxiii, 1931, 113 (Med- 

 ford, Greg.). — Swarth, Pacific Coast Avif., No. 22, 1934, 25 (Sitkalidak, 

 Island, Alaska; spec, colors).— Laing Auk, Iii, 1935, 305, in text (breeding 

 at Chitina River, Alaska). 



Tinnunculus columbarius columbarius Oberholser, Auk, xxxv, 1918, 207, part. 



Falco columbarius subsp. ? Swarth, Condor, xxvi, 1924, 186 (autumn migr.; 

 San Francisco Mountains, Ariz.). 



Falco (Aesalon) lithofalco b. var. columbarius Ridgway, Proc. Boston Soc. Nat. 

 Hist., xvi, 1873, 46, part (California; Wisconsin; part). 



Falco lithofalco var. columbarius Ridgway, in Baird, Brewer, and Ridgway, Hist. 

 North Amer. Birds, iii, 1874, 143, part. 



Falco (Aesalon) lithofalco . . . var. columbarius Ridgway, in Baird, Brewer, and 

 Ridgway, Hist. North Amer. Birds, iii, 1874, 144, part. 



Falco columbarius bendirei Swann, Bull. Brit. Orn. Club, xlii, 1922, 66 (Walla 

 Walla, Wash.; coll. Mus. Comp. Zool.); Synop. Accip., pt. 4, 1922, 195 (e. 

 Brit. Columbia and Alberta to Lower California); Bull. Brit. Orn. Club, 

 xliii, 1923, 148 (crit.).— Brooks, Auk, xl, 1923, 701, in text.— Peters, Bull. 

 Essex County Grn. Club, 1926 (1927), 28 (crit.); Check List Birds of World, 

 i, 1931, 296. — Grinnell, Univ. California Publ. Zool., xxxii, 1928, 111 

 (distr. Lower Cahfornia).— McLean, Condor, xxx, 1928, 352, in text (Yo- 

 semite region, Calif.); xxxviii, 1930, 16, in text (Gonzales, Calif.; specimen; 

 intergrade between this form and suckleyi). — Palmer, Condor, xxx, 1928, 

 269, in text (patronymics). — Bangs, Bull. Mus. Comp. Zool., Ixx, 1930, 193 

 (type spec. Mus. Comp. Zool.).— Grinnell, Dixon, and Linsdale, Univ. 

 California Publ. Zool., xxxv, 1930, 197 (distr., Lassen Peak region, n. Cali- 

 fornia). — American Ornithologists' Union, Check-list, ed. 4, 1931, 76. — 



