KEEL-BREASTED BIRDS. 241 
the mother of the British guillemot takes the young on its 
back and carries it to sea on the first voyage. Under 
water the wings are used as in flying. Allied are the 
Puffins (Fratercula) (Fig. 280, 4), that have short, deep, 
Fic. 280,—A group of sea-birds. 1, cormorant; ~, black-winged tern; 3, 
gulls; 4, puffins; 5, guillemots. 
wedge-shaped bills. The common puffin, or sea-parrot 
(#. Arctica), is common on the North Atlantic coast, at- 
taining a length of thirteen and a half inches. Their 
nests are tunnels in the ground, at the extremity of which 
