ORDER PASSERES. 357 



RANGE. Northern North America. Breeds in Boreal zones from north- 

 western Alaska, northwestern Mackenzie, central Keewatin, and west central 

 Ungava south in mountains to southern California, southern Arizona, central 

 New Mexico, northern Ontario, New Brunswick, and Nova Scotia (casually 

 Maine) ; winters from southern British Columbia, Iowa, and Virginia (casually 

 further north) south over the United States and the Mexican tableland to 

 Guatemala; accidental in Greenland. 



b. Regulus calendula grinnglli W. PALMER. Sitka Kinglet. [749a.] 



Regulus calendula grinnelli PALMER, Auk, XIV, Oct., 1897, 399. (Sitka, 

 Alaska.) 



RANGE. Pacific coast. Breeds from Prince William Sound and Skagway, 

 Alaska, to British Columbia; winters south to middle California. 



c. Regulus calendula obscurus RIDGWAY. Dusky Kinglet. [7496.] 



Regulus calendula obscurus RIDGWAY, Bull. Geol. & Geog^ Suj-v. Terr., II, 

 No. 2, 1876, 184. (Guadalupe Island, Lower California.) 



RANGE. Guadalupe Island, Lower California. 



SUBFAMILY POLIOPTILINJ5. GNATCATCHEBS. 

 GENUS POLIOPTILA SCLATER. 



Polioptila SCLATER, Proc. Zool. Soc. Lond., 1855, 11. Type, by orig. 

 desig., Motacilla ccerulea LINN^US. 



Polidptila caeriilea 



RANGE. Southern United States and Mexico. 



a. Polioptila caerulea caerulea (LINNAEUS). Blue-gray Gnatcatcher. [751.] 



Motacilla caerulea LINN.EUS, Syst. Nat., ed. 12, I, 1766, 337. (Near 

 Philadelphia, Pa.) 



RANGE. Southeastern United States. Breeds in Austroriparian and 

 Carolinian zones from eastern Nebraska and southern parts of Wisconsin, 

 Michigan, and Ontario, and southwestern Pennsylvania, Maryland, and 

 southern New Jersey south to southern Texas and central Florida; winters 

 from southern Texas, Gulf States, and northern Florida to the Bahamas and 

 Cuba and through eastern Mexico to Yucatan and Guatemala; casual north- 

 ward to southeastern Minnesota, New England, and New York. 



