DIRECTORY TO BIRDS OF EASTERN NORTH AMERICA. 57 



beneath, sooty-black ; under portion of wings and under tail 

 coverts, white. In winter, the head, neck, and lower parts 

 are white; eye-ring and ear coverts, dusky. Young, with 

 the back marked with brownish and the sides washed with 

 plumbeous. Breeds from middle IT. S. west of the Allegha- 

 nies, northward in May. Common ; not uncommon on the 

 coast of N. E or near it in Aug. and Sep. ; rare in June; win- 

 ters in S. A. 



2. WHITE-WINGED BLACK TERN, H. LETJCOPTERA. 

 Differs from 1 in having the tail and upper coverts white. 

 Europe ; one specimen only taken in America, at Lake Kosh- 

 konong, Wis. a number of years ago. 



h. Noddies. Anous. 



Size, large; color, sooty-brown throughout, becoming 

 hoary or white on top of head; tail, graduated. Egg, single. 

 Birds of tropical and sub-tropical sea coasts. 



1. NODDY, A. STOLIDUS. 15.00; forehead and top of 

 head, white, gradual- Fig. 71. 



ly grading into the 

 plumbeous o f neck 

 and sides of head; 

 spot in front of eye 

 and upper e y e 1 i d , t 

 black ; bill and feet, 

 black. Intertropical 

 seas ; breeds on the 

 Tortugas Islands, 

 Fla. in May; eom- 

 mon ; of rather un-~ 

 common occurrence 

 along the coasts of the South Atlantic and Gulf States. 

 Flight, rather erratic, with long, sweeping wing-beats, while 

 the bird keeps low over the water, giving it a petrel-like ap- 

 pearance ; in sitting, unlike the other terns, which usually 

 keep the head on a level with the body, it holds its head 

 high, giving it a dove-like aspect. Cries, a series of croaks. 



