1216 U.S. NATIONAL MUSEUM BULLETIN 23 7 part 2 



western and central British Columbia (Atlin region, Hazelton), 

 and central western Alberta (Jasper region) south to mountains of 

 southeastern British Coliunbia (19 miles west of Invermere) and 

 southwestern Alberta (Banff region). 



Winter range. — The wdnter range is not known in detail; migrants 

 have been taken south to Arizona (near Morenci), New Mexico 

 (Escondido), and western Texas (Van Horn, Alpine). 



Migration. — The data deal with the species as a whole. Early dates 

 of spring arrival are: Oklahoma — Kenton, March 20. Nebraska — 

 Hastings, May 10. Saskatchewan — Eastend, May 3. New Mexico — 

 Los Alamos, April 27. Arizona — Wupatki National Monument, 

 March 20; Fort Apache, March 27. Colorado — Fort Morgan, April 

 16. Utah — Washington County, April 21. Wyoming — Albany 

 County, April 22; Laramie, April 28 (average of 6 years, May 3). 

 Idaho — Moscow, April 23. Montana — Missoula, May 7. Califor- 

 nia — San Diego, March 7. Nevada — Carson City, April 10. Ore- 

 gon — Lava Beds National Monument, March 23; Klamath Basin, 

 April 9. Washington — North Yakima, March 30. British Colum- 

 bia — Kittitas County, April 10. 



Late dates of spring departm-e are: Texas — El Paso, May 14. 

 Arizona — Fort Mohave, May 28. 



Early dates of fall arrival are: Arizona — Douglas and Sonoita, July 

 31. Oklahoma — Kenton, August 25. Texas — El Paso, September 11. 



Late dates of fall departure are : Oregon — Harney Coimty, Septem- 

 ber 26. Nevada — Carson City, October 15. California — HoUyivood, 

 September 28. Montana — Fallon, September 12. Idaho — Lewiston, 

 September 24 (median of 11 years, September 5). Wyoming — Lara- 

 mie, October 21 (average of 5 years, September 25). Utah — SaUna, 

 September 5. Colorado — Weldona, September 30. New Mexico — 

 Los Alamos, October 11. 



Southern Brewer's Sparrow (S. b. hreweri) 



Range. — Southern British Columbia, southern Alberta, and south- 

 western Saskatchewan south to central Mexico and southern Texas. 



Breeding range. — The southern Brewer's sparrow breeds from cen- 

 tral southern British Coliunbia (White Lake, Midway), northern Idaho 

 (Moscow), southern Alberta (Deer Creek, Sweetgrass Hills), south- 

 western Saskatchewan (Eastend), central eastern Montana (Fort 

 Keogh), southwestern North Dakota (Marmarth), western South Da- 

 kota (Belle Foiu-che, Black Hills area) and northwestern Nebraska 

 south, east of the Cascades, through Washington and Oregon, to east- 

 ern Cahfornia (south to San Jacinto Mountains), central Arizona (Fort 

 Whipple, Camp Verde), northwestern New Mexico (Fort Wingate, 

 Santa Fe), and central southern Colorado (Fort Garland). 



