jfot Ceact)er0 anti istutients The Migration of Warblers FIFTEENTH PAPER Compiled by Professor W. W. Cooke, Chiefly from Data in the Biological Survey With drawings by Louis Agassiz Fuertes and Bruce Horsfall MYRTLE WARBLER SPRING MIGRATION No. of years' record Average date of spring arrival Atlantic Coast — Germantown, Pa Renovo, Pa. ....... Southeastern New York . . Central New York .... Northeastern New York . . Portland, Conn Hartford, Conn Central Massachusetts . . West Groton, Mass. . . . Framingham, Mass Boston, Mass St. Johnsbury, Vt Southern New Hampshire . Southern Maine Montreal, Can Quebec, Can St. John, N. B Pictou, N. S Halifax, N. S North River, P. E. I. . . . Mississippi Valley — Chicago, III Rockford, 111 Waterloo, Ind Wauseon, Ohio Oberlin, Ohio Milwaukee, Wis Central Wisconsin .... Petersburg, Mich Grand Rapids, Mich. . . . Detroit, Mich Southern Ontario . . . . Parry Sound District, Ont. . Ottawa, Ont Keokuk, Iowa Iowa City, Iowa . . Grinnell, Iowa Lanesboro, Minn Elk River. Minn Aweme, Manitoba .... Osier, Sask. . . . . . Fort Providence, Mackenzie Fort Simpson, Mackenzie . Terry, Mont Southern British Columbia . Kowak River, Alaska . . . 5 7 4 13 5 J 3 J 3 8 15 10 7 5 9 7 April 27 April 30 April 25 May 1 May 2 April 27 April 26 April 28 April 24 April 20 April 22 April 27 April 23 April 23 May 7 May 6 April 23 April 30 May 2 April 26 April 16 April 15 April 23 April 29 April 24 April 18 April 19 April 25 April 16 April 28 April 29 May 2 May 2 April 20 April 20 April 18 April 16 April 16 April 23 May 6 April 15 Earliest date of spring arrival April 10, April 27, April 2, April 24, April 29, March 30, April 8, April 22, April 18, April 17, April 13, April 12, March 20, April 19, May 3, 18 April 30, April 15, April 25, April 26, April 24, 904 892 897 April 6, April 10, April 11, April 16, April 12, April 6, April 13, April 17, April 10, April n, April 19, April 29, April 23, April 8, April 5, April 8, April 9, April 10, April 21, May 4, 1893 May 14, 1905 May 7, 1904 May 2, 1894 April 14, 188 May 22, 1899 902 890 891 890 1903 893 893 897 903 1900 897 901 (61)
