116 



SINGING BIRDS— OSCIXES. 



Vireosylvia gilva, N'u. Swainsoni, Baird. 



SWAINSON'S WARBLING GKEENLET. 



Muscicapa gilm, Vieillot, Ois. I. 1807, 05; pi. xxxiv. 



Vireo i/ilvus, Bonapaute, Obs. Wilson, 1825, No. 123. — Nuttall, I. 1832, 309. — Audu- 

 bon, Om. Biog. II. 1834, 114 ; V. 1839, 433 ; pi. 118. Ib. Birds Amc-r. IV. 1842, 149 ; 

 pi. 241. — Baird, P. K Rep. IX. Birds, 335. — Heermanx, X. vi. 55. — CoorER and 

 SucKLEY, XII. iii. 188. 



Vireo Swainsoni, Baird, Birds N. Amer. 1858, 336. In. Kcv. Aiucr. Birds, 343. 



Muscicapa mtloilia, Wilson", Am. Orn. V. 1812, 85 ; pi. 42, f. 2. 



Sr. Char. Third, fuurtli, and (It'tli quills iK'arly uijiud ; second and sixth usually about 

 eciual, and about 1.25 of an inch shorter than third ; the exposed portion of spurious quill 

 about one fourth the tlurd. Above, trrcenish-olive : the head and hind neck a;hv, the 



\ 



V. Sirninsoni. 



back slightly tinged with the same. Lores dusky ; a white streak from the base of the 

 upper mandible above and a little behind the eye ; beneath the eye whitish. Sides of the 

 head pale yellowish-brown. Beneath, white tinged with very pale yellow on the breast 

 and sides. No light margins whatever on the outer webs of the wings or tail. Spurious 



V. Siuainsom. 



])rimary one fourth the length of second. Length about 5.50 ; extent, S.GO ; wings neai'ly 

 3.00. Iris brown ; bill horn-color and bluish ; feet white. 

 Ilah. Atlantic to the Pacific Coast of the United States. 



' The description just oiven applies to the V. ijilva, as fouiKl iii Eastern 

 Xorth America. The AVesteru Lird, however, takes rank as a distinct 



