The Migration of Vireos 



167 



lion, wintering from the lower ]jarts of South Carohna lo central Morida. They 

 have received the name of the Mountain Vireo, and they migrate earlier in the 

 spring than the tvpical Blue-headed form. Near Asheville, N. C, at two thousand 

 feet altitude, they appear on the average, March 10, while the Blue-headed, 

 does not reach Raleigh, N. C, until two weeks later, thus reversing the usual 

 rule that })irds on the lowlands arrive earlier than those of the same latitude in 

 the mountains. 



SPRING MIGRATION 



PLACE 



c. 



Raleigh, N. C. 

 Washington, D. 



Rcnovo, Pa 



Morristown, N. J 



Southeastern New York 



Lockport, N. Y 



Central Connecticut 



Beverly, Mass 



Fitchburg, Mass 



Monadnock, N. H 



Southwestern Maine 



^lontreal, Canada 



Scotch Lake, New Brunswick. 



San Antonio, Tex 



St. Louis, Mo 



Bloomington, Ind 



Oberlin, O 



Petersburg, Mich 



Chicago, 111 



Southwestern Ontario 



Ottawa, Ont 



Central Iowa 



Lanesboro, Minn 



Elk River, Minn 



Aweme, Manitoba 



Fxlmonton, Alberta 



Fort Chipewyan, Alberta . . . . 

 Fort Simpson, Mackenzie . . . . 



Number 



of years' 



record 



Average date of 

 spring arrival 



March 26 

 April 18 

 April 22 

 April 28 

 May 2 

 Mav 4 

 April 28 

 April 29 

 April 27 

 April 24 

 May I 



May 5 



April 30 

 April 29 

 April 29 

 April 29 

 May 4 

 May 4 

 Mav 12 

 Ma'v 8 

 May 8 

 May ID 

 May 14 



Earliest date of 

 spring arrival 



March 18, 1890 

 April 6, 1905 

 April 5, 1905 

 April 22, 1887 

 April 30, 1896 

 May 3, 1885 

 April 22, 1893 

 April 19, 1899 

 April 18, 1897 

 April 23, 1902 

 April 28, 1894 

 May 3, 1890 

 April 30, 1905 

 March 3, 1890 

 April 21, 1896 

 April 28, 1885 

 April 17, 1902 

 April 24, 1885 

 April 27, 1902 

 April 25, 1889 

 May 8, 1904 

 May 3, 1890 

 Mav 3, 1890 

 May 7, 1887 

 May 6, 1900 

 May II, 1897 

 May 23, 1901 

 May 22, 1904 



FALL MIGRATION 



PLACE 



Athabaska Landing, Alberta. 



.\weme, Manitoba 



Lanesboro, Minn 



Ottawa, Ont 



Phillips, Me 



Detroit, Mich 



Chicago, 111 



Providence, R. I 



Renovo, Pa 



Croton-on-Hudson, N. Y. . . . 



Lexington, Ky 



St. Louis, Mo 



Washington, D. C 



Raleigh, N. C 



Number 



of years' 



record 



Average date of 

 the last one seen 



September 21 

 September 25 



October 6 

 October 8 

 October 12 

 October 19 



October 18 

 October t,i 



Latest date of the 

 last one seen 



September 4, 1903 

 September 30, 1903 

 September 28, 1889 

 October 11, 1891 

 October 6, 1905 

 October 8, 1905 

 October 9, 1895 

 October 10, 1897 

 October 17, 1902 

 October 23, 1887 

 October 16, 1904 

 October 20, 1893 

 November 3, 1906 

 December 15, 1885 



