BIRDS OF INDIANA. 1069 



its time here among the larger trees in woodland, both wood pastures 

 and forests. There among the foliage, from lowest limb to topmost 

 bough, it may be found, in company with Blackburnian and Chestnut- 

 sided Warblers. Occasionally they are found among the orchard trees. 

 They arrive southward from April 22 to May 8, and about the north- 

 ern boundary May 1 to 10. Early and late dates are Brookville, April 

 26, 1881, 1886, and 1893, May 8, 1882; Greensburg, April 26, 1893, 

 May 13, 1894; Lafayette, April 27, 1892, and 1893, May 6, 1897; Car- 

 roll County, April 28, 1885, May 5, 1894; Sedan, April 24, 1894, April 



Black-throated Green Warbler. Natural size. 



30, 1896; Lake County, May 11, 1884; Chicago, 111., May 1, 1896, 

 May 6, 1886; Petersburg, Mich., May 2, 1888, May 9, 1897. If they 

 arrive early, they usually remain from one to two or three weeks, but 

 if they are late coming they pass through rapidly. The latest date 

 for southern Indiana is May 13, 1894 (Greensburg); for northern 

 Indiana, May 24, 1879 (Lake County). Some unusual records have 

 been made by Messrs. Dury and Freeman at Cincinnati, 0. The 

 earliest arrival is April 22, 1878, and he noted them there July 23, 

 1879, and says: "They were somewhat common about July 30, 1879" 

 (Journ. Cin. Soc. N. H., July, 1879). 



It breeds in Michigan, south to Montcalm and Kent Counties (Cook, 

 B. of Mich., p. 134), and has been reported as breeding in northern 

 Illinois (W. W. Cooke), and northern Ohio (Wheaton). Its song is 

 very peculiar, and cannot be mistaken for that of any other bird. Mr. 

 Jo.hn Burroughs has expressed its notes by three straight lines: 



