84 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Hirundo erythrogastra horreorum Meabns, Bull. Niitt. Orn. Club, iv, July, 1879, 

 164 (Fort Klamath, Oregon).— Cohes, Check List, 2d ed., 1882, no. 159.— 

 Allen and Bbewstee, Bull. Nutt. Orn. Club, viii,,1883, 160 (Colorado 

 Springs, Colorado). 



Hlirundol erythrogastra horreorum CouBS, Key N. Am. Birds, 2d ed., 1884, 322 



H[irundo] rustica, var. horreorum Seebohm, Hist. Brit. Birds, ii, 1883, 171, in text. 



Hirundo americana (not of Gmelin) Wilson, Am. Orn., v, 1812, 34, pi. 38, figs. 

 1, 2.— SwAiNSON*and Richardson, Fauna Bor.-Am., ii, 1831, 329.— Bona- 

 parte, Consp. Av., i, 1850, 339.— Lembeye, Aves de la Isla de Cuba, 1850, 

 44, pi. 7, fig. 1.— Adams, Ibis, 1878, 423 (St. Michael, Alaska). 



Cecropis americana Lesson, Compl. Buffon, viii, 1837, 498. 



Hirundo cyanopyrrha Vieillot, Nouv. Diet. d'Hist. Nat. , xiv, 1817, 510 (Paraguay) ; 

 Enc. M6th., ii, 1823, 528. 



Hirundo rustica (not of Linnseus) Audubon, Orn. Biog., ii, 1834, 413, pi. 173; 

 Synopsis, 1839, 35; Birds Am., oct. ed., i, 1840, 181, pi. 48.— Jones, Nat- 

 uralist in Bermuda, 1859, 34. 



Hirundo fumaria Lichtbnstein, Preis-Verz. Mex. Vog., 1831, no. 58 (see 

 Cabanis, Joum. fiir Orn., 1863, 58.) 



(7) Hirundo tytleri (not of Jerdon?) Shaepb, Cat. Birds Brit. Mus., x, 1850, 632, 

 part (Duenas, Guatemala; Callao, Peru).— Shabpe and Wyatt, Mon. 

 Hirund., 1894, 249, part (supposed American records). 



Hirundo erythrogastra unalaschherma {not Hirundo unalaschJcensis Gmelin) Palmer 

 (W.), Avifauna Pribilof Islands, 1899, 422 (Pribilof Islands and Unalaaka; 

 crit.; habits).— Bishop, N. Am. Fauna, no. 19, 1900, 87 (Chilkat Inlet, 

 White Pass, etc., Alaska).— Allen, Auk, xviii, 1901, 176 (crit.). 



Hirundo erythrogastra palmeri Geinnell (J.), Condor, iv, no. 3, May, 1902, 71 

 (Amaknak I., Unalaska Harbor, Alaska; coll. J. Grinnell); Pacific Coast 

 Avifauna, no. 3, 1902, 60. 



HIRUNDO TYTLERI Jerdon. 

 K4.MCHATKAN BARN SWALLOW. 



Similar to JI. erythrogastra, but wing averaging slightly, the tail 

 much longer, and under parts of body more deeply colored, in the 

 adult male varying from cinnamon-rufous to almost chestnut, in the 

 adult female buflfy cinnamon-chestnuts (Young not seen.) 



idZwZi; maZe.— Length (skins), 171-183 (174); wing, 117-121 (119.3); 

 tail, 98-117 (107); exposed eulmen, 7; width of bill at frontal antise, 

 5-6 (5.7); tarsus, 10.5; middle toe, 11-12 (11.3).« 



Adult female. — Length (skin), 158; wing, 117; tail, 87; exposed eul- 

 men, 7; width of bill at frontal antise, 6; tarsus, 11; middle toe, 11.5.* 



Northeastern Siberia (Irkutsk, etc.) and Kamchatka; migrating in 

 winter to the "lowlands of Dacca, the Burmese Provinces, and Tehas- 

 serim;"" occasional in western North America, Guatemala (Duenas) 

 and Brazil (Para) % <^ 



« Three specimens. 



''One specimen. 



«Sharpe and Wyatt, Mon. Hirund., 1894, 250. 



Regarding the alleged occurrence of this form in America I am inclined to believe, 

 without having seen the specimens upon which the records are based, however, that 

 the supposed examples of H. tytleri from Guatemala and Brazil are in reality dark- 

 colored specimens of H. erythrogastra. (See remarks in footnote on p. 78.) 



