300 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Genus LANIVIREO Baird. 



Lanivireo Baird, Review Amer. Birds, 1866, 326, 345. Type, by orig. 

 desig., Vireo flavifrons Vieillot. 



Lanivireo fldvifrons (Vieillot). Yellow-throated Vireo. [628.] 



Vireo flavifrons Vieillot, Ois. Amer. Sept., I, 1807 (1808), 85, pi. 54. 

 (Eastern United States.) 



Range. — Eastern North America. Breeds in Transition and 

 Austral zones from southeastern Saskatchewan, southern Manitoba, 

 southern Ontario, southern Quebec, and Maine south to central Texas, 

 central Louisiana, and central Florida; winters from Yucatan and 

 southern Mexico through Central America to Colombia; casual in 

 winter in Cuba and the Bahamas. 



Lanivireo solitarius (Wilson). 



Range. — North America from Great Slave Lake south to Lower 

 California and the highlands of Mexico; in winter south to Guatemala. 



a. Lanivireo solitarius solitarius (Wilson). Blue-headed Vireo. [629.] 

 Muscicapa solitaria Wilson, Amer. Orn., II, 1810, 143, pi. 17, fig. 6. 



(Near Philadelphia, Pa.) 



Range. — Eastern North America. Breeds in Canadian and Transition 

 zones from central Alberta, southern Mackenzie, southern Keewatin, central 

 Ontario, southern Quebec, and Cape Breton Island south to northern North 

 Dakota, central Minnesota, Michigan, mountains of southern Pennsylvania, 

 and Rhode Island; winters in the Gulf States from Texas to Florida and from 

 eastern Mexico to Guatemala; accidental in Cuba. 



b. Lanivireo solitarius cdssini (Xantus). Cassia's Vireo. [629a.] 



Vireo cassinii Xantus, Proc. Acad. Nat. Sci. Phila., 1858, 117. (Fort 

 Tejon, California.) 



Range. — Pacific slope. Breeds in Transition Zone from central British 

 Columbia, southwestern Alberta, and western Montana south through Cali- 

 fornia and western Nevada to San Pedro Martir Mountains, Lower California; 

 winters in Mexico south to Jalisco, Michoacan, Guanajuato, Oaxaca, and 

 Chiapas, migrating through Utah, Arizona, Colorado, and New Mexico. 



c. Lanivireo solitarius plumbeus (Coues). Plumbeous Vireo. [6296.] 



Vireo plumbeus Coubs, Proc. Acad. Nat. Sci. Phila., 1866, 74. (Fort 

 Whipple, Arizona.) 



