28 NORTH AMERICAN HERONS AND THEIR ALLIES. 



Spring migration Continued. 



The last bittern seen in the spring at Nassau, Bahamas, was on 

 March 6, 1902 (Bouhote) ; Frogmore, S. C., April 4, 1887 (Hoxie) ; 

 New Orleans, La., April 7, 1904 (Allison) ; Whitfield, Fla., April 22, 

 1903 (Worthington). 



Eggs have been taken at Variety Mills, Va., May 12, 1884 (Mick- 

 lem) ; Salem, N. J., May 28, 1904 (Stone) ; Lake Umbagog, Me., June 

 4, 1883 (Carpenter) ; Magdalen Islands, Quebec, July 14, 1887 

 (Bishop) ; Kewanee, 111., May 22, 1893 (Murchison) ; Fays Lake, 

 Mich., May 30, 1894 (Watkins) ; Detroit, Mich., May 21, 1899 

 (Swales) ; Leech Lake, Minn., June 6, 1902 (Currier) ; Julesburg, 

 Colo., May 17, 1899 (Dawson) ; Alamitos, Los Angeles County, Cal., 

 May 14, 1899 (Robertson) ; Fort Crook, Cal., May 12, 1861 \speci- 



