BIRDS OF NORTH AND MIDDLE AMERICA. 



707 



PLAUTDS ALLE (Linnaeus). 



DOVEKIE. 



Adults in breeding season (sexes alike). — Head, neck, and chest 

 plain dark sooty brown (clove brown), becoming gradually darker on 

 pileiim 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 l)lack; 

 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 (32.5); 

 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 



o According to Audubon. b Eleven specimens. c Five specimens. 



Locality. 



Ex- 

 posed 



cul- 

 men. 



Tarsus. 



Middle 

 toe. 



MALES. 



Two adult males from Spitzbergen 



Two adult males from Norway 



One adult male from Germany 



Six adult males from Greenland 



FEM.\LES. 



One adult female from Norway 



Two adult females from Greenland 



One adult female from Ungava 



One adult female from coast of Virginia (Smith's Island, Jan.) - 



14.2 

 13.7 

 15 

 13.6 



14 



13.5 

 13 

 13.5 



20.5 

 20 

 19 

 19.7 



19 



19.2 

 19 

 20 



25.2 

 23.5 

 23 

 25.2 



23.5 

 25.2 

 24 

 23 



