304 BULLETIN 19 7, UNITED STATES NATIONAL IVIUSEUM 



Mackenzie eastward and south to central Alberta, southern Manitoba, 

 northern Minnesota, southeastern Michigan, northeastern Ohio, Mas- 

 sachusetts, and the mountains of central West Virginia and Pennsyl- 

 vania; the mountain vireo (F. s. alticola) breeds in the Appalachian 

 region from southern West Virginia and Virginia to Georgia; the 

 plumbeous vireo (F. s. plumheus) from northeastern Nevada, Utah, 

 and southern Montana south to Arizona and northern Sonora, western 

 Texas, and the mountains of Chihuahua and Veracruz ; Cassin's vireo 

 (F. s. cassini) breeds from central British Columbia, southeastern 

 Alberta, and northwestern Montana, through Idaho, western Nevada, 

 and California to northern Lower California; the San Lucas vireo 

 (F. 5. lucasanus) is resident in the Cape district of Lower California. 

 Other races are resident in Central America. 



Migration. — Late dates of spring departure are : Guatemala — Tec- 

 pam, April 28. Mexico — Guerrero— Chilpancingo, April 20. Ta- 

 maulipas— Victoria, May 1. Florida— College Point, April 23. 

 South Carolina— Aiken, April 22. Virginia— Naruna, May 4. Dis- 

 trict of Columbia— Washington, June 2. Pennsylvania— Doyles- 

 town. May 24. New York— Orient, May 3. Louisiana — Grand Isle, 

 April 6. Mississippi — Biloxi, April 14. Arkansas— Winslow, May 



8. Missouri— Columbia, May 28. Indiana — Bloomington, May 17. 

 Early dates of spring arrival are : Georgia — Dalton, March 8. South 



Carolina — Spartanburg, ISIarch 26. North Carolina — Raleigh, March 



9. West Virginia — White Sulphur Springs, April 1. District of Co- 

 lumbia — Washington, April 6. Pennsylvania — Berwyn, April 8. 

 New York — New York, April 16. Massachusetts — Amherst, April 19. 

 Maine — Ellsworth, April 21. Nova Scotia — Wolfville, April 25. New 

 Brunswick— Scotch Lake— May 2. Quebec— Montreal, May 3. Ten- 

 nessee — Knoxville, April 4. Illinois — Chicago, April 27. Ohio — 

 Sandusky, April 14. Michigan — Ann Arbor, May 1. Ontario — 

 Hamilton, April 25. Missouri — St. Louis, April 20. Iowa — Marshall- 

 town, April 29. Wisconsin — Madison, May 2. Minnesota — Red Wing, 

 May 1. Kansas — Harper, April 26. Manitoba — Aweme, May 2. New 

 Mexico — Chloride, April 26. Colorado — Boulder, April 18. Wyo- 

 ming — Laramie, May 7. Montana — Columbia Falls, April 26. Al- 

 berta — Glenevis, May 8. ISIackenzie — Simpson, May 22. Utah — St. 

 George, April 16. Idaho — Coeur d'Alene, April 19. California — 

 Twenty-nine Palms, March 24. Oregon — Pinehurst, April 15. Wash- 

 ington — Shelton, April 8. British Columbia — Courtenay, April 3. 



Late dates of fall departure are: British Columbia — Okanagan 

 Landing, September 15. Washington — Seattle, September 10. Ore- 

 gon — Eugene, October 13. California — Santa Barbara, November 7. 

 Alberta — Islay, October 1. Montana — Fortine, September 18. Wyo- 

 ming — Laramie, October 16. Utah — Ogden, October 6. Colorado, 

 Beulah, October 17. Manitoba — Aweme, September 30. Minnesota — 



