288 WILD-FOWL AND SEA-FOWL OF GREAT BRITAIN 



head and upper neck is replaced with white ; throat, 

 lower part of cheeks, sides of neck, and all the lower 

 parts white. There is no external difference to 

 distinguish the sexes. 



THE LITTLE AUK. 



(Mergulus alle.) 



MALE. The bill black ; iris dark brown. The 

 upper part of head, part of the cheeks, hind-neck, 

 and all the upper parts are black, with a green gloss 

 on the back. There is a white spot on the upper 

 eyelid. The scapulars are streaked, and the second- 

 ary quills tipped with white ; throat, breast, and 

 belly white ; legs and feet dusky. Length, from 

 bill to end of tail, nine inches. 



The female is similar to the male, but smaller. 



THE COMMON RAZOR-BILL. 



(Aka torda.} 



MALE. The bill bluish-black, a white band 

 crossing each mandible, the upper one shaped like 

 a short bill-hook ; a fine, white, thread-like line from 

 the upper mandible to the eye. The upper part of 

 head, hind-part and sides of neck, and the upper 

 part of body and wings are black, with a tinge of 

 green ; the secondary quills are margined with 

 white. The throat, sides of head and upper neck, 

 fore-part of neck, and rest of the lower parts are 



