JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 339 



under parts, white; bill, lead color; feet, flesh color; wing coverts, 

 and some of the secondaries, heavily marked with white, forming a 

 broad, white wing patch. 



Length, 12.75; wm g> 6; tarsus, 1.20; bill, i. 



Adult female: Head and upper parts, brownish, showing a grayish 

 white patch on the side of the head; under parts, white; speculum, 

 white. 



Length, 12.50; wing, 5.75; tarsus, 1.20; bill, i. 



This species, like the Golden-eye, builds its nest in a hollow tree 

 or stump. It is common in Illinois and Wisconsin during the migra- 

 tions and in winter. There is no authentic record of its nest having 

 been found in either state, although according to Kumlien and Hoi- 

 lister: "Young still unable to fly have been shot on Pewaukee Lake 

 by B. F. Goss." (Birds of Wisconsin, 1903, p. 25.) 



Genus HARELDA Stephens. 



59. Harelda hyemalis (LINN.). 

 OLD-SQUAW. 



Clangula hyemalis (Linn.), A. O. U. Check List, 1895, p. 55. 

 Local names: Old Wife. Long-tailed Duck. 



Distr.: Northern hemisphere, breeding from Hudson Bay and 

 northern Labrador north to about latitude 82; winters in eastern 

 United States from New England to the middle states and casually 

 to Florida, on the Pacific side to California and Texas. 



Adult male in winter: Central tail feathers, black, much elongated; 

 outer tail feathers, white; top of the head and back of the neck to 



back; white; a patch of grayish on 

 the sides of the head, including the 

 eye, which is succeeded by a patch 

 f black on the sides of the neck, 



y "m bordered on the lower throat by an 



p- \ indication of brown; throat and 



upper breast, pure white; breast 

 an d upper belly, black, the black 

 continuing over the back in a band; 

 lower belly and under tail coverts, white; wing coverts, black; quills, 

 brown; a pale yellowish band across the end of the bill. 



Adult male in spring: Head, smoky brown or black; crown, black; 

 a white patch on the face including the eyes; entire neck and breast, 

 smoky brown or black; rest of under parts, dull white; feathers of the 

 upper back and scapulars edged with rufous. 



