VIRGINIA'S WARBLER 125 



(Kingston Creek, Ruby Mountains, and East Humboldt Mountains) ; 

 northern Utah (Salt Lake City, Parley's Park, Packs Canyon, and 

 Ashley) ; possibly southeastern Idaho (Joe's Gap, Bear Lake County ; 

 one specimen from Bancroft, Bannock County) ; and northern Colo- 

 rado (probably Little Snake River, Moffat County, and Estes Park). 

 East to the eastern slope of the Rocky Mountains in Colorado (Estes 

 Park, Denver, Manitou, Fountain, and Beulah) ; in migration has 

 occurred east to Limon, and Monon in Baca County close to the Kansas 

 line ; and central New Mexico (Tierra Amarilla, Lake Burford, Sandia 

 Mountain, and Apache, probably). South to southwestern New 

 Mexico (Apache) ; and southeastern Arizona (Paradise and the 

 Huachuca Mountains). West to southeastern and central Arizona 

 (Huachuca Mountains, Santa Catalina Mountains, and Prescott) ; and 

 eastern California (Clark Mountain and White Mountains; casually 

 in migration to Lemon Grove) . 



Winter range. — In winter Virginia's warbler is found in west cen- 

 tral Mexico from northern Jalisco (Bolanas) ; and Guanajuato (Guan- 

 ajuato), to Morelos (Yautepec) ; and Guerrero (Talpa and Chilpan- 

 cingo). 



Migration. — ^A late date of spring departure is: Sonora — ^Mocte- 

 zuma. May 10. 



Early dates of spring arrival are : Texas — Socorro, April 20. New 

 Mexico — Cooney, April 10. Colorado — Estes Park, May 2. Ari- 

 zona — Madera Canyon, Santa Rita Mountains, April 2. Utah — Ver- 

 nal, May 5. Nevada — South Twin River, April 30. 



Late spring migrant in Brewster County, Tex., May 13. 



Late dates of fall departure are: Utah — Vernal, September 20. 

 Arizona — Tombstone, September 11, Colorado — Boulder, September 

 21. New Mexico — Koehler Junction, September 11. Texas — El 

 Paso, September 16. 



Early dates of fall arrival are : Arizona — Toprock, July 23. Texas — 

 Toyavale, August 21. Sonora — Guadalupe Canyon, August 31. 



Casual records. — Two specimens of Virginia's warbler have been 

 taken in western California : in San Diego County, on September 3, 

 1931 ; and at Prisoner's Harbor, Santa Cruz Island, on September 8, 

 1948. Virginia's warbler has been reported as occurring in Nebraska 

 and Kansas, but there is no record of a specimen having been taken in 

 either State. 



Egg dates. — Arizona: 10 records. May 17 to June 21; 5 records. 

 May 25 to June 4. 



Colorado : 6 records, June 1 to 26. 



Nevada : 3 records, June 8 to 15. 



