ORDER PASSERES. 357 
Ranee.— 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, lowa, and Virginia (casually 
further north) south over the United States and the Mexican tableland to 
Guatemala; accidental in Greenland. 
b. Regulus calendula grinnélli W. Parmer. Sitka Kinglet. [749a.] 
Regulus calendula grinnelli PatmEr, Auk, XIV, Oct., 1897, 399. (Sitka, 
Alaska.) 
Ranae.— Pacific coast. Breeds from Prince William Sound and Skagway, 
Alaska, to British Columbia; winters south to middle California. 
c. Regulus calendula obscirus Rinacway. Dusky Kinglet. [749b.] 
Regulus calendula obscurus Ripaway, Bull. Geol. & Geog. Surv. Terr., I, 
No. 2, 1876, 184. (Guadalupe Island, Lower California.) 
Ranee.— Guadalupe Island, Lower California. 
SusFAMILy POLIOPTILINAS. GNATCATCHERS. 
GENUS POLIOPTILA ScLATER. 
Poltoptila Scuater, Proc. Zool. Soc. Lond., 1855, 11. Type, by orig. 
desig., Motacilla cerulea LINN&ZUS. 
Poliéptila cerilea (LINN us). 
RanGE.— Southern United States and Mexico. 
a. Polioptila cerulea cerulea (LinNus). Blue-gray Gnatcatcher. [751.] 
Motacilla carulea LinNasus, Syst. Nat., ed. 12, I, 1766, 337. (Near 
Philadelphia, Pa.) 
Ranae.— 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. 
