Cooke — Bird Migration in the District of Columbia. 115 



Tennessee AVarbler.— May 6, 1899; May 15, 1904; May 7, 1905; not rare 

 in fall; average date of arrival September 5, earliest August 31, 1890; 

 average date of departure October 4, latest November 30, 1889. 



Usnea Warbler. — This is tbe northern form of the Parula Warbler. It is 

 a common migrant, but its records can not be separated from those of 

 the Parula. 



Cerulean Warbler.— May 5, 1888; May 11, 1890; May 12, 1899; May 29, 

 1902; May 9 and 15, 1904; May 3 and 11, 1907; once reported in the 

 fall. 



Yellow-throated Warbler. — The earliest dates are April 19, 1901 ; April 

 30, 1905; April 25, 1907; and the latest are September 7, 1881; Septem- 

 ber 4, 1890; August 20, 1893; breeds rarely near Dyke, Va. 



Kirtland Warbler. — September 25, 1887. 



Palm Warbler.— Noted in the spring from April 22, 1885, to May 11, 1890, 

 and in the fall from September 18, 1887, to October 11, 1861; probably 

 occurs each year, but is not distinguished from the Yellow Palm 

 AVarbler. 



Grinnell Water Thrush.— May 11, 1879; May 5. 1885; August 5, 1886. 



Northern Yellow-throat. — Abundant migrant, but the records are not 

 separable from those of the Maryland Yellow-throat. 



Philadelphia Vireo.— September 20, 1884; May 12, 1902; May 12, 1907. 



Northern Shrike. — November 7, 1884; November 6-December 26, 1887; 

 November 17, 1888; October 1, 1891; February 10, 1846; February 2, 

 1896. 



Dickcissel. — Formerly a common breeder; now an accidental visitant. 

 The latest records are: one, May 31, 1887; three, August 4-5, 1890; 

 two, May-July, 1894. 



Bachman Sparrow. — April 29, 1896. 



Montana Junco. — April 28, 1890. 



Lark Sparrow. — August 25-27, 1877; August 8, 1886. 



Nelson Sparrow. — September, 1862; September 18, 1893; September 26, 

 1898; May, 1906. 



Lapland Longspur. — Several, December 11, 1886. 



Snowflake. — One, November, 1886; a large flock, February 18, 1905. 



Pine Finch.— February 25, 1879; March 6, 1885; March 6, 1887; October 

 24-November 8, 1887; January 22-29, 1888; May 19, 1888; October 24, 

 1889; common, winter 1896-97; common, May 15-20, 1904; May 10, 

 1907. 



Redpoll Linnet. — One, February 19, 1875; seven, February 12, 1899. 



White-winged Crossbill. — One, about 1864; one, about 1874; one, Novem- 

 ber, 1906; one, August 12, 1907. 



Pine Grosbeak. — Several, January 23, 1888. 



Bronzed Grackle.— April 17, 1886; April 6, 1887; February 22, 1888; 

 March 8, 1895; March 17-28, 1896; March 4, 1897; February 22, 1898. 



Yellow-headed Blackbird.— August 29, 1892. 



Horned Lark.— December 5, 1860; December 10-11, 1886; April 2, 1887; 

 November 25, 1888; April 7, 1889; October 29, 1889; March 29, 1891; 

 November 25, 1903. 



