BIRDS OF NORTH .\ND MIDDLE AMERICA, 



559 



Adult female. —Length, (skins), 1 19-143 (130) ; wing, 04.5-75.5(68.4) ; 

 tail, 51.5-61.5 (55.4); exposed ciilmen, 10-12.5 (11.7); tarsus, 15.5- 

 17.5 (16.1); middle toe, 8.5-10 (9.4).^' 



Northeastern North America; breeding from New Jersey (near 

 Plainfield), New England States, Prince Edward Island, New York 

 (Madison County; Catskill Mountains), Ontario, Michigan (Emmet 

 County), Wisconsin, Minnesota, North Dakota (Pembina; Towner 

 County), eastern Montana (Fort Keogh), etc., northward to northern 

 Keewatin (Repulse Bay), Mackenzie (Mackenzie River; Fort Carlton; 

 Fort Simpson; Fort Resolution; Fort Rae; Fort Norman; Fort Good 

 Hope; Hay River), Yukon Territory (Fort Selkirk) and Yukon Valley 

 in Alaska (Circle; near Fort Yukon; Charlie Creek; Tatondu River; 

 Nulato; St. Michael), and southward along Allegheny Mountains at 

 least to Maryland (Allegheny and Garrett counties) ; west to eastern 

 Montana (Fort Keogh), Alberta. (Edmonton), Assiniboia (Indian 

 Head), Athabasca (Slave River) and northeastern British Columbia 

 (Caril)oo district) ; migrating southward through southeastern Mexico 

 (Tehuantepec City and Huilotepec, Oaxaca; La Salada, Michoacan; 

 Merida and Izalam, Yucatan), Nicaragua (Sucuya; San Carlos; Rio 

 Escondido), Costa Rica (Dota; Talamanca; Juan Vinas; Pozo Azul) 

 and Panama (Boquete; Sabana de Panama; Saboga Island) to 

 Ecuador (Valle del Zamora; Gualaquiza) ; occasional during migra- 

 tion in southeastern United States (Alexandria County, Virginia, 

 May 13 and 19; Laurel, Maryland, May 18; Leon County, Florida, 

 August 6; etc.). 



Empidonax traillii (not Muscicapa traillii Audubon) Baird, Rep. Pacilic R. R. 

 Surv., ix, ]858, l93, part; Cat. N. Am. Birds, 1859, no. 140.— Sclater, Cat. 

 Am. Birds, 1862, 229 (Pennsylvania). — Blakiston, Ibis, 1863, 58 (Mackenzie 

 R.).— (?) Lawrence, Ann. Lye. N. Y., viii, 1863, 486 (Panama); ix, 1868, 

 114 (Dota, Costa Rica); 1869, 201 (Merida, Yucatan). — (?) Frantzius, Journ. 

 fiir Orn., 1869, 308 (Costa Rica). — Baird, Brewer, and Ridgway, Hist. N. 



