ORDER PASSERES. B15 
751. Polioptila czerulea (Linv.). 
Blue-gray Gnatcatcher. 
Motacilla cerulea Linn. S. N. ed. 12, I. 1766, 337. 
Polioptila cerulea Sci. P. Z. S. 1855, 11. 
LBra82) C23) Rag. C36.) 
Geroc. 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 czerulea obscura Ripew. 
Western Gnatcatcher. 
Polioptila cerula obscura Ripcw. Proc. U. S. Nat. Mus. V. 
March 21, 1883, 535, foot-note. 
[B 282, part, C 23, part, R 27, part, C 36, part. | 
Geroc. Dist.— Arizona, California, Lower California, and western 
Mexico. 
752. Polioptila plumbea Barrp. 
Plumbeous Gnatecatcher. 
Culicivora plumbea Baird, Pr. Ac. Nat. Sci. Phila. June, 1854, 118. 
Poliwptila plumbea Baird, B. N. A. 1858, 382. 
[Bi283y Cian R28. 28.) 
Groc. Dist.— Western Texas to eastern edge of Mohave Desert 
and eastern coast of Lower California, 
753. Polioptila californica Brewst. 
Black-tailed Gnatcatcher. 
foltoptila californica BREwST. Bull. Nutt. Orn. Club, VI. April, 
1881, 103. 
NBeS4y iC aa Rs iC’ 27] 
Geroc. Dist.— Southern California and Pacific coast of Lower 
California. 
