LIST OF THE BIRDS OF EASTERN NORTH AMERICA. 327 



Subfamily ALLIN>E. Dovekies. 



A - u - GENUS ALLE. LINK. 



N U. 



17 (34) ALLE ALLE. (LiNN.) Dovekie. Little Auk. 



Coast of North Atlantic from eastern Arctic Ocean ; south in winter to 

 Long Island. 



ORDER LONQIPENNES. 



Long-winged Swimmers. 

 FAMILY STERCORARIID/e. Skuas and Jaegers. 



GENUS MEGALESTRIS. BONAF. 



18 (35) MEGALESTRIS SKUA. (BRUNN.; Skua. 



North Atlantic ; south to Carolina ; rare on Atlantic coast of United States. 



GENUS STERCORARIUS. BKISS. 



19 (36) STERCORARIUS POMARINUS. (TEMM.) Pomarine Jaeger. 



North America. 



20 (37) STERCORARIUS PARASITICUS. (LiNN.) Parasitic Jaeger. 



North America ; ranges in winter to South America. 



21 (38) STERCORARIUS LONGICAUDUS. (VIEILL.) Long-tailed Jseger. 



North America ; south in winter to Gulf of Mexico. 



FAMILY LARID/E. Gulls and Terns. 



Subfamily LARIN/E. Gulls. 



GENUS PAQOPHILA. KAUP. 



22 (3'.) PAGOPHILA ALBA. (GUNN.) Ivory Gull. 



Rare winter visitant to New Brunswick and probably northern New England. 



GENUS RISSA. STEPH. 



23 (40) RISSA TRIDACTYLA. (LiNN.) Kittiwake Gull. 



Arctic regions ; south in winter to Middle States. 



GENUS LARUS. LINN. 



24 (42) LARUS GLAUCUS. BRUNN. Glaucous Gull. 



Arctic regions ; south to Long Island in winter. 



25 (43) LARUS LEUCOPTERUS. FABER. Iceland Gull. 



Arctic Regions ; south to southern New England in winter. 



26 (4a) LARUS KUMLIENI. BREWST. Kumlien's Gull. 



Northern species ; south in winter to New England and casually to Middle 

 States. 



