The Migration of Thrushes 



THIRD PAPER 



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

 in the Biological Survey 



GRAY-CHEEKED THRUSH 

 SPRING MIGRATION 



Gainesville, Fia 



Raleigh, N. C 



Washington, D. C. . . . 



Englewood, N.J 



Shelter Island, N. Y. . . 



Beverly, Mass 



New Orleans, La. (near) 



St. Louis, Mo 



Central Iowa 



Oberlin, Ohio 



Chicago, 111. 



Lanesboro, Minn. .... 

 San Antonio, Texas . . 



Onaga, Kansas 



Aweme, Man 



Fort Keogh, Mont. . . . 

 House River, Alberta . . 

 Fort Chippewyan, Alberta 

 Fort Anderson, Mack. . . 

 Kowak River, Alaska . . 



No. of years' Averaee date of 

 records spring arrival 



May 12 

 May II 

 May 23 

 May 20 

 May 23 

 April 22 

 May 3 

 May 9 

 May 7 

 May 12 

 May 12 



May 6 

 May 14 



Earliest date of 

 spring arrival 



April 26, 1887 

 May 4, 1894 

 May 8, 1907 

 May II, 1898 

 May 17, 1901 

 May 20, 1902 

 March 27, 1897 

 April 24, 1885 

 April 28, 1906 

 April 29, 1899 

 May I, 1899 

 May 7, 1893 

 April 24, 1890 

 May I, 1904 

 May 1 1, 1906 

 May 18. 1889 

 May 19, 1903 

 May 22, 1901 

 May 28, 1865 

 May 24, 1899 



Raleigh, N. C. . . 

 Washington, D. C. 

 Englewood, N. J. . 

 Beverly, Mass. , . 

 New Orleans, La. . 

 St. Louis, Mo. . . 

 Chicago, III. . . . 

 Lanesboro, Minn. . 

 San Antonio, Texas 

 Onaga, Kans. . . 



Average date of 

 last one seen 



May 27 

 May 28 

 May 31 

 May 5 

 May 22 

 May 25 

 May 24 

 May 13 

 May 17 



May 17, 1893 

 June 5 

 June I, 1897 

 June 2, 1904 

 May 10, 1903 

 May 25, 1886 

 May 29, 1900 

 May 27, 1893 

 May 15, 1890 

 May 18, 1904 



FALL MIGRATION 



Chicago, III 6 



Beaver, Pa 3 



Washington, D. C 5 



Raleigh, N. C I 4 



Average date of 

 first one seen 



Earliest date of first 



September 11 August 26, 1894 



September 18 September 7, 1903 



September 28 September 15, 1897 



October 6 October 2. 1888 



(12.) 



