14 PASSERES 
Polioptila melanura, P. atriceps Lawrence, Ann. Lyc, Nat. Hist. New York, Vol. 6, p. 168 (1858) (Ringgold Bar- 
racks, Texas). P 
Fig. Cassin, Illustr. Birds Calif. Texas, 1854, pl. 27; Kennerly, Kep. Pacific. R. R. Surv. Vol. 10, Pt. 4, 
1859, pl. 33, f. 2. 
Hab. South-western United States and adjacent parts of northern Mexico, from the Upper Rio Grande 
Valley to the Colorado Valley, thence southward through Lower California to Cape St. Lucas, 
north to southern Nevada, and S. E. California (Inyo County), west to eastern Riverside County, 
California; south to Tamaulipas, Nuevo Leon, Chihuahua and Sonora. 
3. Polioptila plumbea margarite Ridgway. 
Polioptila margaritae Ridgway, Birds North and Middle Amer. Vol. 3 (= Bull. U. S, Nat. Mus. no. 50, Pt. 3), 
p. 733, foot-note (1904) {Margarita Island, off Lower California). 
Hab. Margarita Island, off Lower California, (Doubtful form.) 
4. Polioptila californica Brewster. 
Polioptila californica Brewster, Bull. Nutt. Ornith. Club, Vol. 6, p. 103 (1881) (Riverside, San Bernardino Co., 
California). 
Fig. Baird, Brewer & Ridgway, Hist. N. Amer. Birds, Vol. 1, 1874, pl. 6, f. 7. 
Hab. Southern California, west and north of Colorado desert, and Pacific coast district of northern Lower 
California; north to Ventura County; south to Santa Rosalia Bay and San Fernando; east to the 
Colorado River. 
ve Polioptila c#rulea czrulea (Linnzus). 
Motacilla caerulea Linneus, Syst. Nat. ed. 12, Vol. 1, p. 337 (1766) (based on Motacilla parva caerulea Edwards, 
Glean. Nat. Hist. Vol. 2, 1760, p. 194, pl. 302 : Pensilvania). 
Motacilla cana Gmelin, Syst. Nat. Vol. 1, 1, p. 973 (1789) (based on « Figuier cendré a gorge cendrée » Buffon, 
Hist. Nat. Ois. Vol 5, p.319, and « Grey-throated Warbler », Pennant, Arctic Zool. Vol. 2, p. 411 : Louisiana). 
Fig. Baird, Brewer & Ridgway, Hist. N. Amer. Birds, Vol. 1, 1874, pl. 6, f. 5. 
Hab. Eastern United States : north to New Jersey, Pennsylvania, southern Ontario, southern Michigan, 
northern Illinois, southern [owa and eastern Nebraska; southward to Florida, Louisiana and southern 
Texas; wintering in Florida and other Gulf States, and southward to Bahamas, Cuba, eastern Mexico 
and Guatemala. 
6. Polioptila czrulea obscura Kidgway. 
Polioptila caerulea obscura Ridgway, Proc. U. S. Nat. Mus. Vol. 5, p. 535 (1883) (San José del Cabo, Lower 
California). 
Hab. South-western United States and contiguous parts of northern Mexico; from western Texas to 
California; northward to Colorado, southern Utah, southern Nevada and interior of northern Cali- 
fornia; southward to Cape St. Lucas and through Mexican States of Chihuahua, Sonora, and Sinaloa 
to Colima. 
7. Polioptila cerulea mexicana (Bonaparte). 
Culicivora mexicana Bonaparte, Consp. Gen. Avium, Vol. 1, p. 316 (1550) (Mexico). 
Hab. South-eastern Mexico, in States of San Luis Potosi, Vera Cruz, Oaxaca, Chiapas, Tabasco, Cam- 
peche and Yucatan; Guatemala. 
8. Polioptila caerulea cesiogaster Ridgway. 
Polioptila caerulea caesiogaster Ridgway, Man. N. Amer Birds, p. 569 (1887) (New Providence Isl., Bahamas). 
Hab. Bahamas : Islands of Abaco, Andros, New Providence, Little Abaco, Inagua; Cozumel and 
adjacent coast of Yucatan (Merida). 
g. Polioptila nelsoni Ridgway. 
Polioptila nelsoni Ridgway, Proc. Biol. Soc. Wash. Vol. 16, p. 109 (1903) (Oaxaca City, Oaxaca). 
Hab. States of Oaxaca (Oaxaca City) and Chiapas (Comitlan), S. E. Mexico. 
