260 NORTH AMERICAN BIRDS. 



near Fort Steilacoom, generally met with on oaks, and very much resembling 

 Dendroica auduhoni in its habits. Its arrival there he gives as occurring 

 in the first week in April, or a month earlier than stated by Nuttall. 



Dr. Cooper met with a pair at Paget Sound that appeared to have a nest, 

 though he sought for it in vain. He describes its note as faint and unvaried. 



Dr. Coues met with this Warbler in the vicinity of Fort Whipple, Arizona. 

 He speaks of it as common there as a spring and autumn migrant. He thinks 

 that a few remain to breed. It arrives in that Territory about April 20, and 

 is found until late in September. It is most common among the pine-trees, 

 and in its general habits is stated to resemble the new species D. gracia\ 



Dr. Heermann found a few birds of this species near Sacramento, and also 

 on the range of mountains dividing the Calaveras and the Mokelumne Rivers. 

 During the survey by Lieutenant Williamson's party. Dr. Heermann met 

 with a single specimen among the mountains, near the summit of the Tejon 

 Pass. It was in company with other small birds, migrating southward, and 

 gleaning its food from among the topmost branches of the tallest oaks. He 

 states that its notes closely resemble the sounds of the locust. 



Dr. Cooper states that these birds appear at San Diego by the 20th of 

 April, in small flocks migrating northward, and then uttering only a faint 

 chirp. They frequent low bushes along the coast, but as they proceed farther 

 north they take to the deciduous oaks as the leaves begin to expand, early 

 in May, at which time they reach the Columbia River. He has never met. 

 with any in California after April. 



Mr. Ridgvvay observed this species only in the pine and cedar woods of 

 the East Humboldt Mountains, where, in all probability, they were breeding. 

 He observed numerous families of young birds following their parents in 

 the months of July and August. He met with them only among the cedars 

 and the woods of the nut-pine, and never among the brushwood of the canons 

 and ravines. He states that the common note of this bird greatly resembles 

 the sharp chirp of the Dendroica coronata, and is louder and more distinct 

 than that of D. audithoni. 



Mr. A. I^oucard obtained specimens of these birds at Oaxaca, Mexico, 

 during the winter months. 



Dendroica chrysopareia, Scl. & Salv. 



YELLOW-CHEEKED WARBLER. 



Dendroica chrysopareia, Sclater & Salvin, P. Z. S. 1860, 298. — Ib. Ibis, 1860, 273 

 (Vera Paz, Guatemala). — Ib. 1865. — Dresser, Ibis, 1865, 477. — Baird, Rev. Am. 

 B. 1864, 183. —Cooper, Orn. Cal. I, 1870, 93. 



Sp. Char. (229, Salvin collection.) Head and body above black, the feathers witli 

 olive-green edges, especially on the back, obscuring the ground-color ; rump clear black. 

 Entire side of head (extending to nostrils and on lower jaw), and the partially concealed 

 bases of the feathers on the median line of the forehead, yellow, with a narrow black line 



