ORDER CHARADRIIFORMES. 133 



Larus califomicus Lawrence. California Gull. [53.] 



Larus Californicus Lawrence, Ann. Lye. Nat. Hist. N. Y., VI, 1854, 79. 

 (near Stockton, California.) 



Range. — Breeds on inland lakes of Canada and the United States from 

 Great Slave Lake south to Great Salt Lake, Utah, Stump Lake, North 

 Dakota, and Mono Lake, California; casual in summer from Washington to 

 southeastern Alaska. Winters from southern British Columbia and Utah to 

 Lower California, Oaxaca, and the coast of Texas. Accidental in Kansas, 

 Hawaii, and Japan. 



Larus delawarensis Ord. Ring-billed Gull. [54.] 



Larus Delawarensis Ord, in Guthrie, Geog., 2d Amer. ed., 1815, 319 

 (Delaware River, below Philadelphia.) 



Range. — Breeds mainly on interior lakes of Canada and the United States, 

 from southern Alaska, Great Slave Lake, northern Manitoba, and James Bay 

 south to southern Oregon, southern Colorado, northern Utah, Idaho, North 

 Dakota, southern Ontario, northern New York (casually), and the north shore 

 of the Gulf of St. Lawrence; formerly in Minnesota, Wisconsin, and northern 

 Michigan; also occurs in summer in British Columbia. Winters from British 

 Columbia, central California, Colorado, Idaho, Montana, the Great Lakes, 

 and Maine to the Gulf coast, Cuba, and southern Mexico. Accidental in 

 Bermuda and Hawaii. 



Larus canus brachyrhynchus Richardson. Short-billed Gull. [55.] 



Larus brachyrhynchus Richardson, in Wilson and Bonaparte, Amer. 

 Orn., Jameson ed., IV, Aug., 1831, 352. (Great Bear Lake [Fort 

 Franklin, Mackenzie].) 



Range. — ^Breeds from Kotzebue Sound, Alaska, to Anderson River and 

 south to central British Colimibia (on the coast) and Athabaska Lake. Win- 

 ters from southeastern Alaska to southern California. Casual at Point Barrow 

 and accidental in Quebec (?), Wyoming, and the Kurile Islands. [An allied 

 race occurs in Europe.] 



Subgenus CHROICOCEPHALUS Eyton. 



Chroicocephalus Eyton, Hist. Rarer Brit. Birds, 1836, 57. Type, by subs, 

 desig., Larus capistratus Temminck = L. ridihundus Linnaeus (Gray, 

 1840). 



• Larus ridibundus ridibtindus Linnaeus. Black-headed Gull. [55.1.] 



Larus ridibundus Linnaeus, Syst. Nat., ed. 12, I, 1766, 225. (in Mari 

 Europseo = England.) 



Range. — Breeds from the Faroes and Scandinavia east to western Siberia 

 and south to the Mediterranean. Winters in North Africa, the Canaries, the 



