198 



BLACKPOLL WARBLER 



PL,ACE 



Mississippi Valley — 



St. Louis, Mo 



Southern Ontario 



Ottawa, Ont 



Oberlin, O 



Southern Michigan 



Chicago, 111 



Southern Wis 



Keokuk, Iowa (near) 



Grinnell, Iowa (near) 



Lanesboro, Minn 



Aweme, Man 



Southeastern Nebraska . . . . 



Central Colo 



Cheyenne, Wyo 



Great Falls, Moni 



Fort Chipewyan, Alberta . . 

 Fort Providence, Mackenzie 

 Fort Simpson, Mackenzie . . 

 Kowak, Alaska 



No. of 

 years' 

 record 



7 

 6 

 i6 

 6 

 6 



9 

 8 



7 

 7 

 8 

 6 

 5 

 4 



2 



3 



Average date of 

 spring arrival 



April 30 



May 17 



May 21 



May 9 



May 14 



May 13 



May 16 



May 9 



May 10 



May 16 



May 13 



May 18 



May 9 



May 9 



May 19 



May 23 



Earliest date of 

 spring arrival 



April 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



May 



June 



28, 1888 



12, 1894 



13, 1905 



6, 190S 



11, 1900 



1, 1899 



12, 1889 



7, 1902 

 9, 1889 



8, 1887 



6, 1905 

 5. 1903 



7, 1905 



8, 1888 



18, 1892 

 23, 1901 



19, 1905 

 22 



2, 1899 



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. 



PI.ACE 



Ottawa, Ont 



Glen EUyn, 111 



Providence, R. I 



Croton-on-Hudson, N. Y 



Beaver, Pa 



Englewood, N. J 



Washington, D. C 



Raleigh; N. C 



Average date of 

 first one seen 



September 3 

 September 18 

 September 17 

 September 5 

 September 5 



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 i, 1889 

 September 24 



PI^ACE 



No. of 

 years' 

 record 



Great Bear Lake, Mackenzie I 



Ottawa, Ont 3 



Glen Ellyn, 111 7 



Detroit, Mich : n 



Croton-on-Hudson, N. Y i 3 



Beaver, Pa j 7 



Renovo, Pa \ 6 



Englewood, N.J 3 



Washington, D. C , 



Raleigh, N. C 



Southern Florida [ 3 



New Providence, Bahamas 1 



Average date of 

 last one seen 



September 19 

 September 17 

 October 9 

 October 12 

 October 19 

 October 20 

 October 6 



November 11 



I,atest date of 

 last one seen 



August 29, 1904 

 September 27, 18 

 September 25, 18 

 October 16, 1904 

 October 26, 1888 

 October 21, 1900 

 October 27, 1896 

 October 8, 1885 

 October 20, 1889 

 November 5, 

 November 16, 

 November 26, 



I8«t) 

 1887 

 1898 



