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The Migration of Warblers 



NINETEENTH AND CONCLUDING PAPER 



Compiled by Professor W. W. Cooke, Chiefly from Data 

 in the Biological Survey 



With drawings by Louis Agassiz Fuertes and Bruce Horsfall 



BLACK -THROATED BLUE WARBLER 

 SPRING MIGRATION 



Atlantic Coast — 



Southern Florida .... 

 Mt. Pleasant, S. C. . . . 

 Asheville, N. C. (near) . 



Raleigh, N. C 



French Creek, W. Va. 

 Washington, D. C. . . . 

 Germantown, Pa. . . 

 Renovo, Pa. .... 



New Providence, N. J. 

 Holland Patent, N. Y. . 



Hartford, Conn 



Central Massachusetts 

 St. Johnsbury, Vt. . . . 



Lewiston, Me 



Quebec, Can 



Central New Brunswick . 



Mississippi Valley— 



Brookville, Ind 



Waterloo, Ind 



Oberlin, Ohio 



Detroit, Mich 



Southern Ontario .... 

 Parry Sound District, Ont. 



Ottawa, Ont 



Lake Forest, 111 



Chicago, 111 



Milwaukee, Wis 



No. of years' Average date of 

 record spring arrival 



6 

 9 



7 

 io 



IS 



12 



20 



6 



Apri 



24 



Apri 



27 



Apri 



29 



May 



2 



May- 



6 



May 



1 



May 



6 



May 



7 



May 



10 



May 



8 



May 



9 



May 



M 



May 



1 1 



May 



14 



April 30 

 May 5 

 May 2 

 May 4 

 May 8 

 May 10 

 May 11 

 May 6 

 May 7 

 May 9 



Earliest date of 

 spring arrival 



March 9, 1886 

 April 16, 1890 

 April 19, 1893 

 April 6, 1888 

 April 18, 1889 

 April 27, 1888 

 May 1, 1888 

 April 27, 1902 

 May 1, 1894 

 April 28, 1891 

 April 29, 1894 

 May 5, 1895 

 May 5, 1897 

 May 7, 1900 

 May 7, 1900 

 May 9, 1904 



April 26, 1894 

 May 1, 1895 

 April 27, 1896 

 May 1, 1894 

 May 2, 1887 

 May 6, 1899 

 May 6, 1890 

 May 2, 1905 

 May 2, 1902 

 May 2, 1892 



FALL MIGRATION 



Lanesboro, Minn. . . . 



Chicago, 111 



Detroit, Mich 



Oberlin, Ohio 



Beaver, Pa 



Germantown, Pa. (near) 

 Washington, D. C. . . . 

 Southern Florida . . . . 



No. of years' Average date of first 

 record one seen 



September 26 

 September 1 

 September 10 

 September 7 

 September 9 

 September 13 



Earliest date of first 

 one seen 



September 24, 1890 

 August 25, 1898 

 September 2, 1905 

 September 1, 1905 

 August 28, 1889 

 September 8, 1898 

 August 21, 1887 

 September 3, 1885 



(203) 



