40 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Larus heermaimi Cassin. Heermaim's Gull. [57.] 



Larm heermanni Cassin, Proc. Acad. Nat. Sci. Phila., VI, 1852, 187. 

 (San Diego, California.) 



Range.— Pacific coast of North America. Breeds in Lower Cali- 

 fornia and western Mexico; wanders north to southern British Colum- 

 bia; winters from northern California to southern Guatemala. 



Laras atricilla Linn^us. Laughing Gull. [58.] 



Lants atricilla Linn^us, Syst. Nat., ed. 10, I, 1758, 136. (Bahamas.) 



Range. — Tropical and temperate coasts. Breeds from Maine 

 (rarely) and Massachusetts (abundantly but locally) south on the 

 Atlantic and Gulf coasts to Texas, the Lesser Antilles and Vene- 

 zuela; winters from Georgia and Gulf coast south to western Mexico, 

 Chile, and Brazil; casual in Colorado, Nebraska, Wisconsin. Ontario, 

 and Iowa. 



Larus fr4nklM Richardson. Franklin's Gull. [59.] 



Larus franklinii Richaedson, Fauna Bor.-Am., II, 1831 (1832), 424, 

 pi. 71. (Saskatchewan River.) 



Range. — North and South America. Breeds from southwestern 

 Saskatchewan and southwestern Keewatin to South Dakota, Iowa, 

 and southern Minnesota; winters from Gulf coast of Louisiana and 

 Texas to Peru and Chile; accidental in Utah, Ontario, Ohio, Virginia, 

 and the Lesser Antilles. 



Larus Philadelphia (Ord). Bonaparte's Gull. [60.] 



Sterna phUaddphia Ord, in Guthrie's Geog., 2d Am. ed., 1815, 319. 

 (Near Philadelphia, Pa.) 



Range. — North America. Breeds from northwestern Alaska and 

 northern Mackenzie south to southern British Columbia and southern 

 Keewatin; winters from Maine to Florida and on the Gulf coast to 

 Texas and Yucatan, and on the Pacific coast from southern British 

 Columbia south to Lower California and western Mexico (Jalisco) ; 

 in migration west to Kotzebue Sound and east to Ungava; casual in 

 Bermuda and the Bahamas. 



