BIRDS OF NORTH AND MIDDLE AMERICA. 707 
PLAUTUS ALLE (Linnzus). 
DOVEKIE. 
Adults in breeding season (sexes alike).—Head, neck, and chest 
plain dark sooty brown (clove brown), becoming gradually darker on 
pileum and hindneck; a short white streak immediately above upper 
eyelid; rest of upper parts sooty black (slightly glossy), the seconda- 
ries sharply but narrowly tipped with white, the posterior scapulars 
narrowly streaked with the same; under parts of body immaculate 
white (abruptly defined against the dark brown of chest), the upper 
or outer portion of flanks broadly streaked with blackish; bill black; 
iris dark brown; legs and feet brownish (pale flesh color in life, with 
dusky webs) ;* inside of mouth light yellow.¢ 
Winter plumage (sexes alike).—Malar region, chin, throat, chest, 
and sides of nape white, the latter mottled with grayish and the 
feathers of chest with dusky bases; otherwise like the summer 
plumage. 
Young.—Similar to the winter plumage, but black of upper parts 
duller (less glossy), white on sides of head and neck more extended, 
and bill smaller and weaker. 
Downy young.—Entirely sooty grayish brown, the under parts 
paler and more grayish. 
Adult male.— Wing, 108-122 (115.8); tail, 32.5-41 (34.6); exposed 
culmen, 13-15 (13.9); tarsus, 19-21 (19.8); middle toe, 23-26 (24.7).° 
Adult female—Wing, 106.5-118 (113.3); tail, 30.5-34.5 (82.5); 
exposed culmen, 12.5-14.5 (13.5); tarsus, 19-20 (19.4); middle toe, 
23-25.5 (24.2).° 
Coasts and islands of northern Atlantic Ocean and adjacent portions 
of Arctic Ocean; breeding from Baffin Bay, Smith Sound, and Kane 
Basin to Franz Josef Land, Novaya Zemlya, and Spitzbergen and 
@ According to Audubon. > Eleven specimens. ¢ Five specimens. 
Ex- : 
Locality. Wing. | Tail. | Posed | Tarsus.| Middle 
cul- 
men. 
toe. 
MALES, 
Two adult males from Spitzbergen. 121 39.2 14.2 20.5 25. 2 
Two adult males from Norway............-- 117.5 34, 2 13.7 20 23.5 
One adult male from Germany.............- seal 117 34 15 19 23 
Six adult males from Greenland..............2..22-222222--0- 113.3 33.3 13.6 19.7 25. 2 
FEMALES, 
One adult female from Norway... .....---2..-200e0eeee cece eee 112 32.5] 14 19 23.5 
Two adult females from Greenland..................... sosmaierty 112.2 34,2 13.5 19.2 25. 2 
One adult female from Ungava............-.2..2.2-2-22-02 2002 118 30.5 13 19 24 
One adult female from coast of Virginia (Smith’s Island, Jan.).} 112 31 13.5 20 23 
