Jan., 1909. Birds of Illinois and Wisconsin — Cory. 



669 



cock took a female near Grand Crossing, Chicago, on May 23, 1887. 

 (The Auk, 1888, p. 210.) Mr. Frank M. Woodruff records a specimen 

 taken by Mr. George Klingman at Bryn Mawr, Chicago, during the 

 first week in May, 1892 (Birds of the Chicago Area, 1907, p. 173), and 

 there are other records. 



In Wisconsin Dr. Hoy "shot one near Racine May, 10, 1851." 

 (Proc. Phil. Acad. Sci., 1853, p. 311) and according to Kumlien and 

 Hollister, there are six other records for the state, all taken at Lake 

 Koshkonong in spring (Birds of Wisconsin, 1903, p. 117). 



The nest is large, built on the ground in woods and is composed of 

 leaves, small twigs, etc. The eggs are 4 to 5, white, speckled and 

 marked with rufous and umber brown, and measure about .73 x .57 

 inches. 



330. Oporornis agilis (Wils.). 

 Connecticut Warbler. 



Geothlypis agilis (Wils.), A. 0. U. Check List, 1895, p. 282. 



Distr.: Eastern United States and British Provinces, north to 

 Ontario and Manitoba; breeds chiefly from Minnesota northward; 

 south in winter to the Bahama Islands and northern South America. 



Adult male: Wings decidedly longer than the tail; head, throat, 

 and breast, ashy gray, darkest on the crown and palest on the chin; 

 a white eye ring; rest of upper plumage, olive green; wings and tail, 

 fuscous brown, more or less edged with olive and without white; 

 belly and crissum, yellow; sides tinged with olive green. In full 

 breeding plumage the breast becomes very dark, almost black. 



Adult female: Characters as in the male, but slate color of the 

 head replaced by brownish olive or grayish olive; chin and throat, 

 brownish buff, becoming darker on the breast; eye ring, whitish or 

 bufjy white. 



