CALLIOPE HUMMINGBIRD 429 



rarely Sheep Creek, and Red Lodge) ; northwestern Wyoming (Yel- 

 lowstone National Park) ; Utah (Escalante Mountains) ; and northern 

 Baja California (Vallecitos). South to northern Baja California 

 (Vallecitos) ; and southern California (Grant Creek, Mount Water- 

 man and Mount Pinos). West to western California (Mount Pinos, 

 Glenbrook, Battle Creek, and Steward Springs) ; Oregon (Gold Plill, 

 Fort Klamath, and Weston) ; Washington (Yakima, Bumping Lake, 

 and Lake Chelan) ; and British Columbia (probably Chilli wack 

 and 150-mile House) . 



Winter range. — During the winter season the species appears to 

 be concentrated in the southern Mexican States of Michoacan (Lake 

 Patzcuaro) ; Mexico (Ajusco) ; and Guerrero (Taxco and Amula). 



/Spring migration. — Early dates of spring arrival are : California — 

 Yosemite Valley, March 2; Azusa, March 6; Whittier, March 20 

 Grass Valley, April 23. Oregon — Weston, May 3 ; Anthony, May 6 

 Fort Klamath, May 16. Washington — Grays Harbor, April 22 

 Tacoma, May 10; Pullman, May 12, British Columbia — Okanagan 

 Landing, April 25; Burrard Liiet, May 7. Arizona — Superstition 

 Mountain, March 22; Santa Catalina Mountains, April 14. Idaho — 

 Coeur d'Alene, May 20. Montana — Missoula, May 9; Fortine, May 

 11 ; Bozeman, May 25. 



Fall migration. — Late dates of fall departure are: Montana — 

 Corvallis, September 7 ; Fortine, September 14. Idaho — Priest Eiver, 

 August 24. New Mexico — Albuquerque, September 16. Arizona — 

 Fort Verde, August 27 ; Apache, August 28 ; San Bernardino Ranch, 

 September 11. British Columbia — Okanagan Landing, August 25. 

 Washington — Ahtanum, August 12; Mount Adams, August 14. 

 Nevada — East Humboldt Mountains, September 7. California — 

 Yosemite Valley, September 4; Santa Barbara, September 11; San 

 Bernardino Mountains, September 16. 



Casual records. — A specimen was taken at El Paso, Tex., in 1851. 

 Colorado has several records, as follows : One was collected at Breck- 

 enridge on June 30, 1882 ; one was found dead in Cheyemie Canyon, 

 near Colorado Springs, on July 25, 1897; specimens also were re- 

 ported from this general vicinity on July 18, 1915, and in August 

 1915; while several were seen on August 27, 1904, at Antonito. One 

 was found dead near Shaunavon, Saskatchewan, on August 22, 1935. 

 The species has been reported as occasional at Wrangell, Alaska, 

 but the evidence is not considered satisfactory. 



Egg dates. — California: 46 records. May 27 to July 30; 23 records, 

 June 10 to 28, indicating the height of the season. 



Utah: 7 records, July 3 to 23. 



