EASTERN MYRTLE WARBLER 255 



(Fort St. John, Ingenika Eiver, and Buckley Lake) ; and southern 

 Alaska (Admiralty Island, Sitka, Seldovia, and Nushagak) . West to 

 western Alaska (Nushagak, Eussian Mission, St. Michael, and the 

 Kobuk River) . 



Winter range. — The myrtle warbler winters in two discontinuous 

 areas. The principal winter home is north to central Oklahoma 

 (Oklahoma City) ; northern Arkansas (Winslow, Little Rock, and 

 Helena) ; western Tennessee (Memphis) ; southern Illinois (Anna 

 and Mount Carmel) ; southern Kentucky (Bowling Green) ; central 

 Virginia (Lexington) ; District of Columbia (Washington) ; south- 

 eastern Pennsylvania (Philadelphia) ; northern New Jersey (Morris- 

 town and Elizabeth) ; southern Connecticut (New Haven) ; Rhode 

 Island (Providence) ; and northeastern Massachusetts (Cape Ann). 

 It also occurs in winter irregularly north to Holly, Colo. ; Hays and 

 Manhattan, Kan.; Madison, Wis.; Chicago, 111.; Battle Creek and 

 Rochester (one banded in January), Mich.; Rochester, N. Y. ; and 

 Portland, Maine. East to Massachusetts (Cape Ann) and along the 

 Atlantic coast to Florida (Miami and Key West) ; the Bahama Is- 

 lands (Little Abaco and Caicos) ; Dominican Republic (Puerto Plato 

 and Sanchez) ; Puerto Rico (San Juan) ; St. Croix Island ; and rarely, 

 Antigua. South to Antigua, northern Colombia, rare or accidental 

 (Santa Marta region) ; and Panama (Pearl Islands). West to Pan- 

 ama (Pearl Islands, Canal Zone, and Almirante) ; Costa Rica (El 

 General and Guayabo) ; eastern Nicaragua (Greytown and the Rio 

 Escondido) ; northern Honduras (Puerto Castilla and Lancetilla) ; 

 western Guatemala (Dueiias and Tecpan) ; eastern Oaxaca (Tehuan- 

 tepec) ; Veracruz (Orizaba) ; Tamaulipas (Victoria) ; Nuevo Leon 

 (Monterrey) ; southwestern Texas (mouth of the Pecos River, Camp 

 Barkeley, Taylor County, and Fort Worth) ; and central Oklahoma 

 (Oklahoma City). 



The western winter range is north to central Western Oregon (New- 

 port and Albany). East to western Oregon (Albany) ; central Cali- 

 fornia (Marysville, Stockton, Mariposa County, Redlands, and 

 Potholes) ; southern Arizona (Tucson and Tombstone) ; and south- 

 western Sonora (Guaymas). South to southern Sonora. West to 

 western Sonora (Guaymas and the Colorado River delta) ; western 

 California (San Clementi Island, Santa Barbara, San Francisco Bay 

 region, and Eureka) ; and western Oregon (Coss Bay and Newport). 



The species as outlined is divided into two subspecies or geogi'aphic 

 races. The Alaska myrtle warbler (Z>. c. hoaveri) breeds from western 

 Alaska and northwestern Mackenzie to central Alberta and central 

 British Columbia; the eastern myrtle warbler (Z>. c. coronata) from 

 western Saskatchewan eastward. 



Migration. — Late dates of spring departure from the winter home 

 are : Costa Rica — Guayabo, March 18. El Salvador — Volcan de San 



