718 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dalgo, Texas; habits; measurements); v, 1879, 401 (Point Isabel and Lomita, 

 Texas). — Boucard, Proc. Zool. Soc. Lond., 1878, 65 (San Jose, Costa Rica). — 

 Merrill, Proc. U. S. Nat. Mus., i, 1878, 137 (Fort Brown, Texas; habits, etc.) — 

 RiDGWAY, Nom. N. Am. Birds, 1881, no. 301; Bull. Nutt. Orn. Club, viii, 

 1883, 59 (Norfolk, Virginia, 1 spec, Jan. 2, 1882); Auk, iii, 1886, 134 (Key 

 West, Florida, 1 spec, Jan. 15, 1885). — Nehrling, Bull. Nutt. Orn. Club, vii, 

 1882, 168 (s. e. Texas; habits); Our Native Birds, ii, 1896, 333, pi. 32, fig. 1.— 

 Nutting, Proc U. S. Nat. Mus., vi, 1883, 374, 384 (San Juan del Sur and Su- 

 cuya, Nicaragua; hal)its). — Seton, Auk, ii, 1885, 218 (Portage la Prairie, w. 

 Manitoba, 1 spec, Oct., 1884; York Factory, Hudson Bay, 1 spec, summer 

 1880); iii, 1886, 321 (Portage la Prairie).— Ferrari-Perez, Proc. U. S. Nat. 

 Mus., ix, 1889, 155 (Huehuetlan, Puebla). — American Ornithologists' 

 Union, Check List, 1886, no. 443.— Goss, Auk, iii, 1880, 134 (Cape Sable, 

 Florida, 1 spec, Mar. 2, 1885).— Cooke, Bird Migr. Miss. Val., 1888, 142 

 (Mississippi Valley range, dates, etc; Portage la Prairie, Manitoba, acci- 

 dental). — Scott, Auk, vi, 1889, 161 (Key "West, Florida, live specimens, Dec. 

 10, 1888), 318 (Miami, Florida, 1 spec, no date). — Salvin and Godman, Biol. 

 Centr.-Am., Aves, ii, 1889, 106.— Stone, Birds E. Penn. and N. J., 1894, 99 

 (Trenton, New Jersey).— Bendire, Life Hist. N. Am. Birds, ii, 1895, 233, pi. 

 1, figs. 12, 13 (eggs).— Palmer (W.), Auk, xiii, 1896, 83 (Azlett, Prince Wil- 

 liam Co., Virginia, 1 spec, Aug. 31, 1895; Bryans Point, Maryland, 1 spec, 

 Aug.). — Underwood, Ibis, 1896, 439 (Volcan de Miravalles, and Bagaces, 

 Costa Rica). — Bangs, Auk, xviii, 1901, 363 (Divala, Panama, Nov., Dec). — 

 Howe, Contr. N. Am. Orn., ii, 1902, 15 (St. Johnsbury, Vermont, 1 spec, 

 1884). — Alparo, Paginas Illustradas, i, 1904, 506 (Costa Rica; habits). 



[MilvulHs]forJi(ataBo^AFARTE, Consp. Av., i, 1850, 192. 



[Milvulus\forficatus Gray, Hand-list, i, 1869, 365, no. 5563. — Coues, Key N. Am. 

 Birds, 1872, 169.— Sclater and Salvin, Nom. Av. Neotr., 1873, 53. 



M[%lvulus\ forjicatus Cabanis and Heine, Mus. Hein., ii, 1859, 79 (Mexico). — 

 Coues, Key N. Am. Birds, 2d ed., 1884, 431; 5th ed., i, 1903, 512.— Ridg- 

 WAY, Man. N. Am. Birds, 1887, 328. 



Muscivora forfivata Oberholser, Auk, xviii, Apr., 1901, 194. — American Orni- 

 thologists' Union Committee, Auk, xix, 1902, 320. — Bailey (Florence M.), 

 Ilandb. Birds W. U. S,, 1902, 246 (plate).— Preble, North Am. Fauna, no. 22, 

 1902, 113 (York Factory, 1 spec, summer of 1880). 



\^Muscivora\ forjicatus Sharpe, Hand-list, iii, 1901, 150. 



Ty\rannus\l mexicanus Stephens, Shaw's Gen. Zool., xiii, pt. 2, Feb., 1826, 134 

 (based on " Muscicapaforficata Stephens, v, x, p. 413, pi. 33"). 



MUSCIVORA TYRANNUS (Linnaeus). 

 SWALLOW-TAILED FLYCATCHER. 



Achdt male. — Pileiim, hindneck, and sides of head (down to upper 

 margin of malar region) uniform deep black, the crown with a very 

 large concealed patch of bright lemon or canary yellow, underlaid 

 posteriorly and laterally by pale yellow or yello\\nsh white; back and 

 scapulars plain clear, rather light gra}^ (about no. 8 to no. 7),° the 

 lower rump similar but darker; upper tail-coverts dull black or dusky, 

 usually margined narrowly with grajdsh; tail black, the lateral rectrix 



a The color is paler and clearer in freshly molted plumage, darker and duller when 

 the plumage becomes old and worn. 



