EASTERN WARBLING VIREO 371 



(Fredericton) ; Prince Edward Island (Brackley Point) ; and Nova 

 Scotia (Pictou). East to central Nova Scotia (Pictou, Truro, and 

 Halifax) ; the Atlantic coast of the United States to southern Virginia 

 (Dismal Swamp) ; through the mountains to northern Alabama 

 (Anniston and Florence). South to northern Alabama (Anniston) ; 

 western Mississippi (Shell Mound and Rodney) ; southern Louisiana 

 (New Orleans, Houma, and Calcasieu) ; sparingly in southern Texas 

 Huntsville, Rockport, Marathon, and the Guadalupe Mountains) ; 

 southern New Mexico (Cloudcroft, Silver City, and the Animas 

 Mountains) ; southwestern Chihuahua (Bravo and Mina Abundan- 

 cia) ; central Sonora (Rancho Santa Barbara and Magdalena) ; and 

 southern California (Santa Ysabel and Escondido) ; also resident in 

 the Cape region of Lower California. West to the Pacific coast of 

 California (Escondido, Santa Barbara, San Francisco, and Eureka) ; 

 Oregon (Grants Pass, Eugene, Tillamook, and Astoria) ; Washing- 

 ton (La Push, Cape Flattery, and Bellingham) ; and British Columbia 

 (Victoria, Cape Scott, Kimsquit, Great Glacier, Telegraph Creek, 

 and Atlin). 



Winte7' range. — Li winter the warbling vireo is found from southern 

 Veracruz (Orizaba) through southern Oaxaca (Tehuantepec) ; south- 

 central Chiapas (Comitan) ; western Guatemala (Finca Carolina, 

 Sacapula, Patulul, and Progreso) ; to El Salvador (Colimas and 

 Mount Cacaguatique). 



The above range includes all the subspecies of the warbling vireo 

 breeding within the Check-list range of which four are recognized. 

 The typical race, the eastern warbling vireo (F. g. gilvus), breeds 

 west to eastern Saskatchewan and the eastern edge of the Great Plains 

 and northern Texas. The Oregon warbling vireo {V. g. leucopolius) 

 breeds from northern British Columbia (except the coastal area) and 

 southwestern Mackenzie south to northern Nevada and Montana. The 

 western warbling vireo (V. g. sioainsoni) breeds in the coastal region 

 of British Columbia, Washington, and Oregon, through southern 

 Nevada, to southern Wyoming and Colorado, and south to southern 

 California and western Texas. The Cape warbling vireo (F. g. 

 victoriae) breeds in the Cape district of Lower California, xlddi- 

 tional races occur in Mexico.^ 



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

 are: El Salvador — Chilata, April 27. Guatemala — Patulul, April 2. 

 Veracruz — Presidio, May 4. 



Early dates of spring arrival are: Alabama — Syllacauga, April 

 16. Georgia — Macon, April 16. North Carolina — Asheville, April 

 13. District of Columbia — Washington, April 21. Pennsylvania — 



2 The subspecies Icticopolius and victoriae were officially recognized by the A. O. U. Coui- 

 mitee after the manuscript of this bulletin was submitted ; hence no separate accounts of 

 them are here included. — Editob. 



