198 



BLACKPOLL WARBLER 



PLACE 



Mississippi Valley — 



St. Louis, Mo 



Southern Ontario 



Ottawa, Ont 



Oberlin, 



Southern Michigan 



Chicago, 111 



Southern Wis 



Keokuk, Iowa (near) 



Grinnell, Iowa (near) .... 



Lanesboro, Minn 



Aweme, Man 



Southeastern Nebraska . . . 



Central Colo 



Cheyenne, Wyo 



Great Falls, Mont 



Fort Chipewyan, Alberta . 

 Fort Providence, Mackenzie 

 Fort Simpson, Mackenzie . 

 Kowak, Alaska 



Fall Migration. — Moving northward late in the spring, the Black- 

 poll Warbler is almost equally late on its return. It starts south late 

 in August and reaches northern South America the first week in 

 October. 



PLACE 



Ottawa, Ont 



Glen Ellyn, 111 



Providence, R. I 



Croton-on-Hudson, N. Y. 



Beaver, Pa 



Englewood, N. J 



Washington, D. C 



Raleigh, N. C 



years 

 record 



Average date of 

 first one seen 



September 

 September 

 September 

 September 

 September 



October 2 



Earliest date of 

 first one seen 



August 9, 1893 

 August 23, 1897 

 September 16, 1900 

 September 12, 1888 

 August 27, 1891 

 August 30, 1887 

 September 1, 1889 

 September 24 



PLACE 



Great Bear Lake, Mackenzie 



Ottawa, Ont 



Glen Ellyn, 111 



Detroit, Mich 



Croton-on-Hudson, N. Y. 



Beaver, Pa 



Renovo, Pa 



Englewood, N. J 



Washington, D. C 



Raleigh, N. C 



Southern Florida i. . 



New Providence, Bahamas 



No. of 

 years' 

 record 



3 



7 



11 



3 



.7 

 6 

 3 



Average date of 

 last one seen 



September 19 

 September 17 

 October 9 

 October 12 

 October 19 

 October 20 

 October 6 



November 11 



Latest date of 

 last one seen 



August 29, 1904 

 September 27, 1889 

 September 25, 1898 

 October 16, 1904 

 October 26, 1888 

 October 21, 1900 

 October 27, 1896 

 October 8, 1885 

 October 20, 1889 

 November s» 1886 

 November 16, 18S7 

 November 26, 1808 



