104 LONG-WIXGKI) SWIMMERS. 



in front, but is white behind. 



Breeds in the Arctic and migrates over 

 the whole U. S.; south from Aug. to middle 

 Nov.; winters from Carolinas to Gulf of Mex- 

 ico; north March to May. Flight, swift, easy, 

 graceful, and tern-like. When migrating oft- 

 en flies along shore, usually in small compa- 

 nies. In winter occurs more scatteringly fly- 

 ing over sounds or creeks or often far up riv- 

 ers. Cry, seldom heard in migration, is harsh 

 and rasping. Common. 



71. LITTLE GULL. 

 Smaller than the last, 11; little or no 

 black on wings; in the young the tail is with- 

 out the black tip. Old World; accidental in 

 in Bermuda and Long Island. 



72. ROSS GULL. 



Tail graduated, fig. 73; small, 14; white 

 tinged with pink; pearl-gray above and on 

 wings below; outer web of first prinia^ and 

 collar around neck, black. In winter black 

 collar absent, head tinged with grayish, black 

 spot in front of eye, Young clouded with 



