152 BRITISH BIRDS. 



bluish-slate, webs black. Length 18-50. Female: black 

 parts of male dark brown ; rest of plumage duller ; upper 

 throat whitish. 



A common winter visitor but rare as a breeding species. 

 It has nested in various English counties, also in several 

 parts of Scotland and in a number of localities in the north 

 and west of Ireland. Eggs : 7 or 8 ; light buffish-green ; 

 2'35 by r6o. 



230. Nyroca nyroea (Guld.). WHITE-EYED DUCK. 



Hab. Southern Palaearctic region. 



An irregular straggler to eastern coasts of England, 

 chiefly in winter and early spring ; has also occurred in 

 the south and west and two or three times near Edinburgh. 

 In Ireland it has been taken five times. This is the 

 Fuligula ferruginea of many authors. 



GENUS CXXIV. CLANGULA, Leach (1819). 



Bill shorter than head, higher than wide at base, 



depressed towards tip ; nail decurved ; edges of upper 



mandible not inflected : concealing the laminae. Head 

 crested. Hind toe widely lobed. 



231. Clangula elangula (Linn.). GOLDEN-EYE. 



Hab. Northern Palaearctic region. 



Male : head, throat and upper neck dark metallic green, 

 with a patch of white at base of bill each side and a white 

 collar on lower neck ; back, lesser wing-coverts, bastard 

 wing and inner secondaries black ; outer secondaries, 

 scapulars and greater coverts white, the two latter edged 

 with black ; breast and belly white ; under wing-coverts 

 black ; thighs and vent dusky ; bill bluish-black ; iris 

 orange-yellow ; feet orange, webs dusky. Length 18*00. 



