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 jfor Ceactjers and |3>tut)ent0 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)