ORDER PASSERES. 315 



751. Polioptila cserulea (Linn.). 



Blue-gray Gnatcatcher. 



Motacilla ccsrulea Linn. S. N. ed. 12, I. 1766, 337. 

 Polioptila carulea ScL. P. Z. S. 1855, 11. 



[B 282, C 23, R 27, C 36.] 



Geog. Dist. — Middle and southern portions of the eastern United 

 States, south, in winter, to Guatemala, Cuba, and the Bahamas ; rare 

 north toward the Great Lakes, southern New York, and southern 

 New England, accidental north to Massachusetts and Maine. Breeds 

 throughout its United States range, and winters from the South 

 Atlantic and Gulf States southward. 



751 a. Polioptila caerulea obscura Ridgw. 



Western Gnatcatcher. 



Polioptila ccerula obscura Ridgw. Proc. U. S. Nat. Mus. V. 

 March 21, 1883, 535, foot-note. 



[B 282, /^r/, C 2 7,, part, R I'j^part^ C 36, /«r/.] 



Geog. Dist. — Arizona, California, Lower California, and western 

 Mexico. 



752. Polioptila plumbea Baird. 



Plumbeous Gnatcatcher. 



Culicivora plumbea Baird, Pr. Ac. Nat. Sci. Phila. June, 1854, 118. 

 Polioptila plumbea Baird, B. N. A. 1858, 382. 



[B 283, C 25, R 28, C 38.] 



Geog. Dist. — Western Texas to eastern edge of Mohave Desert 

 and eastern coast of Lower California. 



753. Polioptila californica Brewst. 



Black-tailed Gnatcatcher. 



Polioptila californica Brewst. Bull. Nutt. Orn. Club, VI. April, 

 1881, 103. 



[B 284, C 24, R 29, C 37.] 



Geog. Dist. — Southern California and Pacific coast of Lower 

 California. 



