JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



611 



Immature males at first resemble the female, but later assume a 

 mixed plumage of brown and blue. 



Length, 6.60; wing, 3.40; tail, 2.80; bill, .63. 



The Blue Grosbeak occurs in southern Illinois and is an accidental 

 straggler in Wisconsin. Both Ridgway and Nelson state that it is 



Blue Grosbeak. 



a rare bird in Illinois, even in the southern half of the state, but give 

 no definite records of its capture. W. W. Cooke says: "In its mi- 

 gration it reaches southern Illinois and southern Nebraska." (Bird 

 Migration Miss. Valley, 1888, p. 218.) 



Kumlien & Hollister state: "A rare straggler in Wisconsin. 

 Thure Kumlien captured a pair near Lake Koshkonong in June, 1860. 

 It was also taken at least once by Dr. Hoy and there was also a 

 Milwaukee specimen, which seems to have entirely disappeared." 

 (Birds of Wisconsin, 1903, p. 102.) 



Genus PASSERINA Vieillot. 

 276. Passerina cyanea (LiNN.). 

 INDIGO BUNTING. INDIGO BIRD. 



Distr.: Eastern United States, from Kansas and Nebraska east- 

 ward, north to Minnesota, Ontario and Quebec, and south in winter 

 to Cuba and Central America to Panama; breeds from the Gulf 

 states northward. 



Adult male: General plumage, blue; clear indigo-blue on head, 

 throat and breast; lighter blue on back and with the blue of the 

 flanks tinged with greenish; lores, black; wings and tail, blackish, 

 more or less edged with greenish blue. 



