396 BRITISH BIRDS. 



THE LITTLE AUK. 



LITTLE BLACK AND WHITE DIVER, OR ROTCHE. 

 WINTER PLUMAGE. 



(Mergulm alle, Selby. Guillemot uaiii, Temm.) 



THIS plump round-shaped bird measures about 

 nine inches in length. The bill is black, short, 

 thick, strong", and convex ; it is feathered from the 

 corners of the mouth half way forward towards 

 the point. The crown of the head is flat and 

 black; all the upper parts of the plumage are of 

 the same colour, except a narrow bar of white, 

 formed by the tips of the lesser quills across the 

 wings, and the scapulars, which are streaked 

 downwards with the same; the cheeks and under 

 parts are white: legs and toes yellowish; webs 

 dusky. In summer the throat is black. 



