658 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. IX. 



Dr. Hoy took a specimen at Racine, June 20, 1848. Messrs. 

 Kumlien and Hollister record two specimens taken by Thure Kumlien, 

 one at Lake Koshkonong in 1877, and another in southern Wisconsin 

 "at a very early date, 184250." (Birds of Wisconsin, 1903, p. 115.) 



The nest is in large trees, usually pines or live-oaks, and at a con- 

 siderable distance from the ground. It is composed of shreds of bark, 

 plant fiber and plant down, and is often concealed in hanging masses 

 of long "Spanish" moss. The eggs are four or five, dull white or 

 grayish white, spotted and marked chiefly at the larger end with 

 shades of brown, and measure about .71 x .51 in. 



321. Dendroica virens (GMEL.). 



BLACK-THROATED GREEN WARBLER. 



Distr.: Eastern North America, west to eastern Texas, Nebraska, 

 and the Dakotas and north to northern Quebec, Hudson Bay, and the 

 Saskatchewan region; breeds from northern Ohio and northern 

 Illinois northward; in winter south to Cuba and Central America 

 to Panama. 



Adult male: Upper plumage, yellowish olive green; sides of head 

 and extreme forehead, yellow; a yellow superciliary stripe and a 



Male. 



Black-throated Green Warbler. 



Female. 



