TREE SPARROW 1165 



Late dates of fall departure are: ISfanitoba — Treesbank, November 

 15 (average of 20 years, November G). North Dakota — Cass County, 

 November 24 (average, November 12). Illinois — Chicago, December 

 7 (average of 16 years, November 17). Newfoundland — St. Anthony, 

 October 9. Prince Edward Island — Murray Harbour October 26. 

 Quebec — Montreal ai*ea, November 19, Maine — Lake Umbagog, 

 November 9. 



Egg dates. — Alaska: 128 records, May 27 to June 29; 68 records, 

 June 4 to June 16. 



Labrador: 16 records, Juno 10 to July 11; 11 records, June 20 to 

 June 29. 



Manitoba: 14 records, June 12 to June 26. 



Ontario: 1 record, July 1. 



Western Tree Sparrow (S. a. ochracea) 



Range. — Northern Alaska, Yukon, and northwestern Mackenzie 

 south to northeastern California, Arizona, New Mexico, and central 

 Texas. 



Breeding range. — The western tree sparrow breeds from northern 

 Alaska (Kobuk and Colville deltas), northern Yukon (Firth River), 

 and northwestern Mackenzie (Mackenzie Delta, lower Anderson 

 River) south to southwestern and central Alaska (Naknek, WrangeU 

 Mountains), northwestern British Columbia (Atlin), southeastern 

 Yukon (Sheldon Lake), and central western Mackenzie (Fort 

 Franklin). 



Winter range. — Winters from southern British Columbia (Van- 

 couver, Okanagan I^anding), southwestern Saskatchewan (Cypress 

 Hills), South Dakota (Harding and Hutchinson counties), and north- 

 central Iowa (Sioux City) south to northeastern California 

 (Fort Creek, Wendell), central western Nevada (Carson City), 

 northern and central eastern Arizona (San Francisco Mountains, San 

 Cailos), central New Mexico (San Antonio), and central Texas (San 

 Angelo, Giddings); casuaUy north to Alaska (Fairbanks, Wrangell) 

 and south to southern California (Riverside, Death Valley). 



Casual record. — Casual north to Banks Island. 



Egg dates. — Mackenzie: 29 records, June 6 to July 4; 14 records, 

 June 14 to June 21. 



