JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 341 



occasionally on inland waters in both Illinois and Wisconsin. Nelson 

 records it from Mt. Carmel. "Small flocks are occasionally seen 

 during the fall migration at St. Louis, Mo." (Cooke. ) 



Genus HISTRIONICUS Less. 



60. Histrionicus histrionicus (LiNN.). 



HARLEQUIN DUCK. 



Distr.: Northern North America and eastern Asia; south to middle 

 Atlantic states, California and Japan in winter; breeds in Labrador, 

 Greenland, Great Bear Lake, and intermediate localities about latitude 

 65. Nests in hollow stumps and trees. 



Adult male: Head, variously marked with gray, white, rufous 

 brown, and black; a collar of white edged with black passes around 

 the neck; a broad band of white edged with 

 black commences on the sides of the breast and ex- 

 tends upwards; under parts, grayish brown; sides 

 heavily marked with rufous brown; 

 back, dark slate; the scapularies 

 and tertials marked with white; 

 speculum, very dark blue ; under 

 tail coverts, bluish black, showing 

 a spot of white on the sides; tail, 

 pointed. 



Wing, 7.50; bill, i; sides of bill, 1.35; tail, 4.50; tarsus, 1.25. 

 Adult female: Head, grayish brown; face, whitish; spot of white 

 on the ear coverts; entire upper plumage, dull brown; some of the 

 feathers slightly washed with grayish; breast, grayish brown; rest of 

 under parts, mottled grayish brown; wings and tail, brown, without 

 white. 



The Harlequin Duck is a rare winter visitant on Lake Michigan. 

 "Rather rare winter resident upon Lake Michigan." (Nelson, Birds 

 N. E. 111., 1876, p. 142.) "The Harlequin Duck is a winter visitant 

 or resident in Illinois, but is probably not at any time a common 

 species." (Ridgway, Orn. of Illinois, 1895, p. 173.) "Rare winter 

 straggler to Lake Michigan. Dr. Hoy obtained at least four specimens 

 at Racine." (Kumlien and Hollister, Birds of Wisconsin, 1903, p. 25.) 

 "Very rare; admitted in Gibbs' Birds of Michigan. * * * * Prof. 

 Ludwig Kumlien writes me that he has taken two specimens in 

 Jefferson Co., Wisconsin." (A. J. Cook, Birds of Michigan, 1893, p. 

 44.) A bird of this species was killed in 1880 on a small lake in 

 Marion Co., Illinois, about seven miles from St. Louis, and recorded 



