BIRDS OF NORTH AND MIDDLE AMERICA 305 



Utah, XXXV, 1945, 37 ("Navaho Country," se. Utah and ne. Arizona; raigr. 

 and sparse breeder). — Alcorn, Condor, xlviii, 1946, 132 (Lahontan Valley, 

 Nev.). — Eliot, Auk, Ixiii, 1946, 100 (Massachusetts). — Arvey, Univ. 

 Kansas Pubis., Mus. Nat. Hist., i, 1947, 198 (Idaho). — Neff, Condor, xlix, 

 1947, 33 (one of a pair, other very melanistic, Pozo Noriega, Sonora),— 

 Slipp, Auk, Ixiv, 1947, 389 (w. Washington; rare; many records dubious; 

 only 3 specimens besides type). 

 Buteo swainsonii Cassin, Proc. Acad. Nat. Sci. Philadelphia, 1855, 280 (descr. ; 

 crit.). — Baird, Rep. U. S. and Mex. Bound. Surv., ii, pt. 2, 1859, 3 (Pecos 

 River, Tex.). — Bryant, Proc. Boston Soc. Nat. Hist., viii, 1861, 116 (descr. 

 plumages). — Blakiston, Ibis, 1863, 45 (Mackenzie River, rare). — Cooper, 

 Orn. California, Land Birds, 1870, 476. — Coues, Key North Amer. Birds, 



1872, 27.— RiDGWAY, Bull. Essex Inst., v, 1873, 173 (Salt Lake Valley, 

 Utah).— Henshaw, Ann. Lye. Nat. Hist. New York, xi, 1874, 10 (Utah).— 

 Nash, Check List Birds Ontaiio, 1900, 29 (Ontario; rare). 



Buteo swainsoni swainsoni Ridgway, in Baird, Brewer, and Ridgvvay, Hist. 

 North Amer. Birds, iii, 1874, 263 — Goode, U. S. Nat. Mus. Bull. 20, 1883, 

 309. 



Buteo (Craxirex) swainsoni Ridgway, Proc. Acad. Nat. Sci. Philadelphia, 1875, 

 100 (monogr.). 



Craxirex swainsoni Ridgway, Proc. Acad. Nat. Sci. Philadelphia, 1875, 92 (diagn.). 



Buteo montana Nuttall, Man. Orn. United States and Canada, Land Birds, 

 ed. 2, 1840, 112. 



Buteo bairdi Hoy, Proc. Acad. Nat. Sci. Philadelphia, 1853, 451 (Wisconsin; 

 coll. Acad. Nat. Sci. Philadelphia). — Cassin, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1855, 279 (Utah; crit.); lUustr. Birds California, Texas, etc., 1857, 

 257, pi. 41; in Baird, Rep. Pacific R. R. Surv., ix, 1858, 21.— Baird, Cat. 

 North Amer. Birds, 1859, No. 19. — Bryant, Proc. Boston Soc. Nat. Hist., 

 viii, 1861, 117 (descr.). 



Buteo bairdii Gray, Hand-list, i, 1869, 8, No. 57. 



Buteo insignatus Cassin, Illustr. Birds California, Texas., etc., 1854, 102, 198, 

 pi. 31 (New Mexico; coll. Acad. Nat. Sci. Philadelphia); in Baird, Rep. 

 Pacific R. R. Surv., ix, 1858, 23. — Sclater, Proc. Zool. Soc. London, 1856, 

 285 (state of Veracruz, Mexico). — Brewer, North Amer. Ool., i, 1857, 33, 

 pi. 3, fig. 27 (egg).— Baird, Cat. North Amer. Birds, 1859, No. 21.— Heer- 

 mann, Rep. Pacific R. R. Surv., iv, No. 2, 1859, 32 (San Joaquin River, 

 etc., Calif.; habits). — Sclater and Salvin, Ibis, 1859, 216 (Duenas, Guate- 

 mala). — Bryant, Proc. Boston Soc. Nat. Hist., viii, 1861, 116 (descr. plu- 

 mages); ix, 1865, 90 (crit. on type).— Gray, Hand-list, i, 1869, 8, No. 59.— 

 Cooper, Orn. California, Land^Birds, 1870, 474 (crit.). — Snow, Birds Kansas, 



1873, 1. 



Buteo swainsoni var. insignatus Dall and Bannister, Trans. Chicago Acad. 

 Sci., i, 1869, 272 (Koyukuk, on Yukon River, Alaska). — Brewer, Proc, 

 Boston Soc. Nat. Hist., xviii, 1875, 444 (Salem, Mass.) ; xix, 1878, 306 (Way- 

 land, Mass., 1876). 



Buteola insignata Bonaparte, Compt. Rend., xlii, 1856, 956. 



Buteo oxypterus Cassin Proc. Acad. Nat. Sci. Philadelphia, 1855, 282 (near 

 Fort Webster, N. Max.; coll. Acad. Nat. Sci. Philadelphia); in Baird, 

 Rep. Pacific R. R. Surv., ix, 1858, 30; ed. 1860 (Birds North Amer.), atlas, 

 pi. 15, fig. 2.— Baird, Rep. Pacific R. R. Surv., x. No. 2, 1859, 11, pi. 15 

 (Fort Fillmore, N. Mex.); Cat. North Amer. Birds, 1859, No. 28; in Cooper, 

 Orn. California, Land Birds, 1870, 480 (Fort Fillmore; crit.)— Bryant, 

 Proc. Boston Soc. Nat. Hist., viii, 1861, 117 (descr.; crit.). — Gray, Hand- 



