JFor Ceacl)er0 ant) ^tutient« 



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The Migration of Warblers 



FOURTH PAPER 



Compiled by Professor W. W Cook, Chiefly from Data 

 in the Biological Survey 



With drawings by LOUIS AgaSSIZ Fuer (ES and Bruce HorSKALL 



BLUE - WINGED WARBLER 



The earliest arrivals of this species noted in the United States are at 

 New Orleans, La., March 22, 1898, and on the Tortugas, Fla., March 

 23, 1890. 



SPRING MIGRATION 



Atlantic Coast — 



Shelby, Ala 



Washington, D. C. . 

 New Providence, N. J. 

 Englewood, N.J. . . 



Beaver, Pa 



Bervvyn, Pa 



Southeastern New York 

 Portland, Conn. . . . 

 Framingham, Mass. . 



Mississippi Valley — 



Eubank, Ky 



St. Louis, Mo 



Brookville, Ind. . . . 



Rockford, III 



Petersburg, Mich. . . 



Grinnell, la 



Lanesboro, Minn. . . 



No. of years' 



Average date of 



Earliest date of 



record 



spring arrival 



spring arrival 







April 4, 1898 

 April 26, 1891 - 



7 



May 7 



May 3, 1 89 1 



8 



May 4 



May 2, 1902 



3 



Mav 3 



May 2, 1891 



7 



May 7 



May 3, 1900 



5 



May 4 



May 2, 1900 



13 



May 12 



May 2, 1902 

 May 13, 1896 



8 



April 14 



April 10, 1893 



7 



April 22 



April 17, 1883 



6 



April 26 



April 17, 1896 



5 



May 6 



May 2, 1890 

 May ro. 1897 



4 



May 4 



April 28, 1888 



6 



May 14 



May 7, 1895 



FALL MIGRATION 



The last one noted at Lanesboro, Minn., was on September i, 1889, 

 but the southern part of the breeding-ground is not deserted until early 

 in October. 



(9') 



