PASSERES SYLVICOLTDAE HELMINTHOPHAGA CELATA. 191 



mesquite trees, I scarcely noticed it, passing- it by as a veritable Gnat- 

 catcher; but, its different form attracting my notice, I identified it immediately. 



HELMINTHOPHAGA CELATA, Say. 

 Orange-crowned Warbler. 



Sylvia celata, SAY, Long's Exped., i, 1823, 169. 



Helminthophaga celata, BD., D. S. & Mex. Bound. Surv., ii, pt. ii, 1859, Birds, 10 (Browns- 

 ville, Tex.). Id., Ives' Col. Exped., 1857, pt. iv, 5. Id., Birds N. A., 1858, 

 257. HEERM., P. Ii. E. Hep., x, pt. iv, 1859, 40. XANTUS, Proc. Acad. Nat. 

 Sci. Phila., 1859, 191 (Fort Tejon, Cal.). COOP. & SUCKL., P. E. E. Eep., xii, 

 pt. ii, 1860, 178. HAYD., Trans. Am. Phil. Soc., xii, 1862, 160. BD., Eev. 

 Am. Birds, i, 1865, 176. COUES, Proc. Acad. Nat. Sci. Phila., 1866, 70 (Fort 

 Tejon, Cal.; Fort Mojave, Ariz.). COOPER, Birds Cal., i, 1870, 83. Id., 

 Proc. Cal. Acad., 1870, 75. STEV., U. S. Geol. Surv. Terr., 1870, 463. 

 COUES, Key N. A. Birds, 1872, 95. ALLEN, Bui. Mus. Comp. Zoo!., 1872, 

 175 (Eastern Kansas ; Ogden, Utah ; Wahsatch Mountains). SNOW, Birds 

 Kan., 1872, 7. AIKEN, Proc. Bost. Soc. Nat. Hist., 1872, 196. BD., 

 BREW., & EIDG., N. A. Birds, i, 1874, 202, pi. xi, f. 4. HENSHAW, An. Lye. 

 Nat. Hist. N. Y., xi, 1874, 3. Id,, An. List Birds Utah, 1872, Wheeler's 

 Exped., 1874, 41. Id., Eep. Orn. Specs., 1873, Wheeler's Exped., 1874, 57, 

 74, 102. COUES, Birds Northwest, 1874, 52. 



During the migrations, a very generally distributed species, frequenting 

 the tops of the smaller trees and low bushes, whence it may often be seen 

 darting forth in pursuit of some passing insect. In the breeding season, it 

 ascends higher up, and is then found among the shrubbery on the 

 open mountain sides. At this season, I have found it as high up as 11,000 

 feet. The song is a short simple lay, consisting of a few sweet trills, given 

 with considerable spirit, and ending with a rising inflection. 



