ORDER LONGIPENNES. 37 
Nova Zembla; winters from southern Greenland south to Long Island; 
casual on the Great Lakes; accidental in Nebraska and Maryland; 
in Europe south to the British Isles, Scandinavia, and Baltic Sea. 
Larus glaucéscens NAUMANN. Glaucous-winged Gull. [44.] 
Larus glaucescens NAUMANN, Naturg. Végel Deutschl., X, 1840, 351. 
(North America.) 
RanGeE.— Coasts of the North Pacific,; Bering Sea, and adjacent 
Arctic Ocean. Breeds from Kotzebue Sound south to Washington, 
and in Kamchatka and Commander Islands; winters from Aleutian 
Islands south to Lower California, Hawaii (casually), and northern 
Japan. 
Larus kimlieni BREwsTerR. Kumlien’s Gull. [45.] 
Larus kumlient Brewster, Bull. Nuttall Orn. Club, VIII, 1883, 216. 
(Cumberland Sound, Arctic America.) 
RanaE.— North Atlantic coast of North America, breeding in 
Cumberland Sound; south in winter to New York and Connecticut. 
Larus nélsoni HensHaw. Nelson’s Gull. [46.] 
Larus nelsoni HensHaw, Auk, I, July, 1884, 250. (St. Michael, Alaska.) 
RanceE.— Known from Point Barrow, Bering Strait, St. Michael, 
Alaska, and San Geronimo Island, Lower California. 
Larus marinus LiInNN#&us. Great Black-backed Gull. [47.] 
Larus marinus Linnzus, Syst. Nat., ed. 10, I, 1758, 1386. (Southern 
Sweden.) 
RANGE.— Coasts of the North Atlantic. Breeds from North Devon 
Island and central Greenland south to Nova Scotia and to latitude 
50° on European coasts; winters from southern Greenland south to 
the Great Lakes and Delaware Bay (casually to Florida) and the 
Canaries; accidental in Bermuda. 
Larus schistisagus STEJNEGER. Slaty-backed Gull. [48.] 
Larus schistisagus Stesnecer, Auk, I, July, 1884, 231. (Bering Island.) 
