ORDER PASSERIFORMES. 315 



Range. — Breeds from southern Saskatchewan to eastern Idaho, Nevada, 

 western Arizona, and the northern states of Mexico, and east to central North 

 Dakota, central Nebraska, central Kansas, and western Texas. 



Genus GUIRACA Swainson. 



Guiraca Swainson, Philos. Mag., n. s., I, No. 6, June, 1827, 438. Type, 

 by subs, desig., Loxia caeridea Linnaeus (Swainson, 1827). 



Guiraca caerulea caerulea (Linnaeus). Eastern Blue Grosbeak. [597.] 



Loxia caerulea Linnaeus, Syst. Nat., ed. 10, I, 1758, 175. Based on The 

 blew Gross-beak, Coccothrausles cserulea Cate^by, Carolina, I, 39. (in 

 America = South Carolina.) 



Range. — Breeds in the Upper and Lower Austral zones from western 

 Nebraska, Missouri, southern Illinois, and Maryland south to eastern Texas, 

 southern Alabama and central Florida (rarely). Winters from southern 

 Mexico to Honduras and casually in Guatemala and Costa Rica. Casual in 

 southern Indiana, southern Ohio, and southern Pennsylvania; accidental in 

 Wisconsin, New England, the Maritime Provinces, and Cuba. 



Guiraca caerulea interfusa Dwight and Griscom. Western Blue Grosbeak. 



[597a.] 



Guiraca caerulea interfusa Dwight and Griscom, Amer. Mus. Novitates, 

 No. 257, March 14, 1927, 4. (Fort Lowell, Arizona.) 



Range. — ^Breeds in the Lower Austral Zone from extreme southern Nevada, 

 southeastern California, and northeastern Lower California east to Colorado 

 (?), New Mexico and central Texas and south into northern Mexico. Winters 

 south of the United States to Nayarit and Jalisco, Mexico. 



Guiraca caerulea salicaria Grinnell. California Blue Grosbeak. [5976.] 



Guiraca caerulea salicarius Grinnell, Proc. Biol. Soc. Wash., XXIV, 

 No. 27, June 16, 1911, 163. (Santa Ana River bottom, near Colton, 

 San Bernardino Co., Calif.) 



Range. — Breeds in the Lower Austral Zone from the head of the Sacramento 

 Valley and Owens Valley in California south to about lat. 31° in Lower 

 California. Winters south of the United States in the Cape district of Lower 

 California and in northwestern Mexico. 



Genus PASSERINA Vieillot. 



Passerina Vieillot, Analyse, 1816, 30. Type, by subs, desig., Ministre — 

 Ortolan de riz — de neige Buffon = Tanagra cyanea Linnaeus (Gray, 

 1840). 



