JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 651 



King states (Geol. of Wisconsin, Vol. I, 1883, p. 503): "A few may 

 breed in northern Wisconsin, for I obtained a male at Elk Lake in 

 Chippewa County, July 26, 1876." 



314. Dendroica magnolia (WILSON). 

 MAGNOLIA WARBLER. 



Dendroica'maculosa (Gmel.), A. O. U. Check List, 1895, p. 276. 



Distr.: Eastern North America, west to the Rocky Mountains; 

 breeds from Virginia and northern Michigan (Mackinac Island) north 

 throughout Quebec, Ontario, and the British Provinces to the Macken- 

 zie region; south in winter to the West Indies, and Central America 

 to Panama. 



Adult male in spring: Crown, ash-gray; back, black; rump, yellow; 

 sides of head, white; a white stripe from above the eye extending 



Magnolia Warbler. 



backward; lower eyelid white; throat, yellow; under parts, yellow, 

 streaked with black except on middle of belly; under tail coverts, 

 white; primaries edged with white on inner webs; wing coverts, 

 mostly white, forming a white wing patch; tail, blackish, with broad 

 white band across the middle, 'except the two central feathers. 



Adult female in spring: Similar, but duller and back tinged with 

 olive. 



Immature: Top and sides of head more or less ashy; back, olive 

 green; under parts, yellow, whitish on belly; tail as in the adult. 



Diagnostic characters in any plumage: Tail with broad white band 

 across the middle (except the two central feathers); rump, yellow. 



Length, 5; wing, 2.35; tail, 2.10; bill, .36. 



Common during the migrations in spring and fall in Illinois and 

 Wisconsin. It is not improbable that it may breed in northern Wis- 

 consin, as it has been found nesting on Mackinac Island, northern 

 Michigan (White, Auk, Vol. X, 1893, p. 228). 



