BIRDS OF NORTH AND MIDDLE AMERICA 295 



Rupornis ridgwayi Cory, Quart. Journ. Boston Zool. Soc, ii, 1883, 46 (Magua, 

 Samand, or Almercan, Santo Domingo; coll. C. B. Cory); Auk, i, 1884, 4 

 (description); iv, 1887, 38, 39 (descr. ; syn.) ; Birds Haiti and San Domingo, 



1885, 121, pis. [17, 18]; Birds West Indies, 1889, 196; Cat. West Indian 

 Birds, 1892, 10, 99, 130.— Gurnet, List Diurn. Birds Prey, 1884, 72; Cat. 

 Birds Prey, 1894, 25.— Cory, List Birds West Indies, 1885, 22; rev. ed., 



1886, 22. — Reichenow and Schalow, Journ. fiir Orn., 1885, 457 (reprint of 

 orig. descr.). — Tristram, Cat. Coll. Birds H. B. Tristram, 1889, 61, 271 

 (Samand; specimen). — Tippenhauer, Die Insel Haiti, 1892, 319, 322 (listed 

 from Haiti). — Cherrie, Contr. Orn. San Domingo, 1896, 22 (seen only; no 

 specs.). — Christy, Ibis, 1897, 335 (Rio Yuna, Santo Domingo). — Sharpe, 

 Handlist, i, 1899, 257. — Verrill and Verrill, Proc. Acad. Nat. Sci. 

 Philadelphia, 1909, 357 (Miranda, Santo Domingo). — Swann, Synop. Accip., 

 ed. 2, 1922, 94; Monogr. Birds of Prey, i, 1930, 444 (monogr.).— Bond, Proc. 

 Acad. Nat. Sci. Philadelphia, Ixxx, 1928 (1929) 493 (distr.; habits; Haiti).— 

 Phillips, Verh. 6th Internat. Orn. Kongr., 1929, 517 (Santo Domingo). — 

 Wetmore and Swales, U. S. Nat. Mus. Bull. 155, 1931, 114 (habits; 

 distr.; etc.; Hispaniola). 



Rupornis magnirosiris ridgwayi Swann, Synopt. List Accip., pt. 2, 1919, 56. 



Coryornis ridgwayi Ridgway, Auk, xlii, 1925, 585, in text (genotype of Coryornis 

 Ridgway) . 



Buteo ridgiuayi Danforth, Auk, xlvi, 1929, 362 (Santo Domingo City, Haina, 

 Gonave Island).— Peters, Check-hst Birds of World, i, 1931, 233.— Wet- 

 more, Proc. U. S. Nat. Mus., Ixxxi, art. 2, 1932, 6, 7, 8, 14 (lle^, Vache; Petite 

 Cayemite Island; Grand Cayemite Island; Haiti; crit.). — Wetmore and 

 Lincoln, Proc. U. S. Nat. Mus., Ixxxii, art. 25, 1933, 10 (lie ^ Vache), 13 

 (Beata Island), 21 (near Geffrard, Haiti; lie k Vache and Beata Island). — 

 Bond, Birds West Indies, 1936, 61, in text, 64, in text, and footnote (West 

 Indies; crit.), 67, in text, 414 (West Indies; Hispaniola, descr.; local names); 

 Check List Birds West Indies, 1940, 23 (Hispaniola; locally common); 

 ed. 2, 1945, 23. 



BUTEO SWAINSONI Bonaparte 



Swaxnson's Hawk 



Adult male. — ^Pale phase: Forehead whitish or pale buff, crown, 

 occiput, nape, cheeks, auriculars, sides of throat, scapulars, inter- 

 scapulars, upper and lower back, rump, and upper wing coverts more 

 or less uniform dark grayish brown, fuscous to chaetura drab, the 

 feathers edged with gi-ayish tawny-olive to cinnamon; a concealed 

 vv^hite patch on the nape; median upper tail coverts dark like the rump, 

 the lateral ones v/hitish more or less washed with pale tawny-olive, 

 and barred with fuscous to dark hair brown; secondaries fuscous to 

 chaetura drab becoming somewhat paler basally on their inner webs 

 where obscurely banded with chaetura drab; primaries fuscous- 

 black to chaetura black, also becoming slightly lighter basally on their 

 inner webs where banded with chaetura drab; the tip of the longest 

 primaries extending beyond the ends of the longest secondaries for a 

 distance equal to more than one-third the length of the wing; only the 

 three outermost primaries emargmated on their inner webs; rectrices 

 light mouse gray to mouse gray more or less tinged with brownish, 



