BRITISH BIRDS. 



405 



THE (TREAT AUK. 



NORTHERN 1 PENGUIN, OR GAIR-FOWL. 

 SUMMER PLUMAGE. 



(Alcn I in pc ii iiis y Linn. Pingouin brachipterc, 

 Temm.) 



THE length of this bird, to the end of the toes, is 

 three feet. The bill is black, and four inches and a 

 quarter long; both mandibles are crossed obliquely 

 with several ridges and furrows, which meet at the 

 edges. Two oval-shaped white spots occupy nearly 

 the whole space between the bill and the eyes: the 



