DESCRIPTION 213 



and hind-neck sooty-black. Summer plumage : 

 Sides of head and neck, chin, throat and fore-neck 

 velvety snuff-brown. 



252. Razor-billed Auk. 



Length about 16 J inches, tail about 3J inches, 

 and bill about 1J inches long ; bill thick, curved 

 and grooved. Above, plumage black ; below, white ; 

 wings with secondaries tipped with white. Sum- 

 mer plumage : Part of head and neck velvety snuff- 

 brown ; white line from bill to eye ; bill black, 

 crossed by a white bar. Winter adult : Under por- 

 tion of head and below white ; bill without basal 

 lamina ; otherwise same as in summer. Young : 

 Plumage like winter adult, but bill without the 

 white bar and grooves, and smaller. 



253. Yellow-headed Blackbird. 



Length about 11 inches, tail about 4f inches 

 long. Adult male: Head, neck and chest yellow? 

 wing-coverts white, rest of plumage black. Adult 

 female: Brownish-dusky, throat and chest yellowish 

 and white. Young male : Plumage similar to female, 

 but deeper coloured. 



254. King Eider. 



Length about 26 inches. Adult male: Top ot 

 head bluish-gray, base of upper mandible enlarged 

 into a broad lobe, a V-shaped mark of black on 



