1070 U-S- NATIONAL MUSEUM BULLETIN 23 7 part 2 



Winter range, — Winters from southern British Columbia (Boundary 

 Bay, Arrow Lake), western Montana (Fortine), Wyoming (Thermo- 

 polis, Guernsey), and South Dakota (Faulkton, Yankton) south to 

 northern BajaCahfornia (latitude 32° N.), northern Sonora (Caborca), 

 Chihuahua (30 miles west of Minaca; Chihuahua), central Texas (Fort 

 Clark, Austin, Gainesville), and eastern Kansas (Lawrence). 



Casual records. — Casual in winter or in migration to Banks Island 

 (Sach's Harbour), Manitoba, (Aweme), Michigan (Marquette and 

 Washtenaw counties), Illinois (Waukegan, Ipswich), New Jersey 

 (East Orange), Maryland (Laurel), North Carolina (Wake County), 

 Arkansas (Winslow), Louisiana (Grand Isle), and southern Texas (San 

 Antonio, Galveston Island) . 



Migration. — Data deal with the species as a whole. Early dates of 

 spring arrival are: Montana— Libby, February 27 (median of 9 years, 

 March 1). British Columbia — Departm-e Bay, March 4. Alaska — 

 Sitka, March 6. 



Late dates of spring departure are: New Mexico — Los Alamos, 

 May 9 (median of 6 years, April 24) . Arizona — Camp Verde, April 1 1 ; 

 White Kiver, April 8. Utah— Mexican Hat, May 1. Wyoming- 

 Laramie, May 9 (average of 6 years, April 29). Nevada — Mercury, 

 April 14. Washington- — Tacoma, June 2. 



Early dates of fall arrival are: Washington — Stevens Pass, Au- 

 gust 23. Nevada — Mercury, October 7. Cahfornia — Siskiyou and 

 Yolo counties, September 27. Wyoming — Laramie, August 31 (aver- 

 age of 8 years, September 22). Utah — September 9. Arizona — near 

 Prescott, September 8; south run of Grand Canyon, September 

 22. New Mexico- — Los Alamos, October 10 (median of 5 years, 

 November 8). 



Late dates of faU departure are: Alaska — Petersburg, October 8. 

 British Columbia — Sumas Prairie, October 29. Montana — Libby, 

 October 21 (median of 9 years, September 18). 



Egg dates. — (Refer to the entire species) Alaska: 1 record, June 28. 



Alberta: 70 records, May 16 to July 10; 36 records, May 25 to June 8. 



Baja California: 9 records, May 14 to June 12. 



British Columbia: 16 records, May 7 to July 8; 8 records, June 8 

 to June 23. 



California: 164 records, March 20 to August 3; 82 records. May 20 

 to June 12. 



Montana: 6 records. May 5 to July 16. 



Oregon: 26 records, April 12 to July 15; 14 records, May 9 to June 1. 



Shufeldt's Oregon Junco (/. o. shufeldd) 



Range. — Southwestern British Columbia to southern California, 

 chiefly west of crest of Cascades. 



