BIRDS OF NORTH AND MIDDLE AMERICA. 153 



Faxon, Auk, xii, l.S!»5, 84 (Camhridge, Mas-saohuaettp, Sept. 27). — Dwight, 

 Auk, xiv, 1897, 259, pi. 2, right-lmnd fig. (monographic). — Bitler, Hirds 

 Indiana, 1897, 1011 (breeding south to Starke and Carrol! counties). — 

 YorxG, Auk, xv, 1898, 191 ( breeding at Lansdown Station, Ontario; descr. 

 nest and eggs). — McL.mn, Auk, x^'i, 1899, 359 (Ohio Co., West Virginia, 

 May 16). — Flemixo, Auk, xviii, 1901, 43 (Parry Sound, n. Ontario; breed- 

 ing?). — Oliver, Auk, xix, 1902, 206 (Allegheny Co., Pennsylvania, rare 

 migrant). 



[Vireo'] iihilnddphicm CouES, Key N. Am. Birds, 18S7, 120. 



r[//ro] pliUadelph'iniK Nelson, Bull. Essex Inst., viii, 1876, 102, 152 (n. e. Illi- 

 ncjis, May 15 to 25, Sept. 5 to 25, probably breeding 60 miles s. of Chicago). — 

 CouES, Key N. Am. Birds, 2d ed., 1884, 332.— Riixjwav, :\Ian. N. Am. Birds, 

 1887, 471. 



Vireo phUadeJplt'ia Isha^i, Auk, xix, 1902, 88 (Addison Co., Vermont, Sept. 19, 

 1900).— WoRTinx(;TON, Auk, xix, 1902, 89 (Shelter T., New York, Sept. 

 18).— Howe, Suppl. Birds R. I., 1903, 20. 



Vireosylvia cobaneuKis Sclater, Pi-oc. Zool. Soc. Lend., 1860, 463 (Cohan, Guate- 

 mala; coll. P. L. Sclater); Ann. and Mag. N. H., 1861, 328 (do.); Cat. Am. 

 Birds, 1862. 44 (Cohan and Tactic, Vera Paz). 



VIREOSYLVA GILVA GILVA (Vieillot). 

 WARBLING VIREO 



Adults {sexes alike).- — Pileum and hindneck plain light mouse gray 

 or .smoke gray, becoming more or less paler (and sometimes more 

 brownish) on forehead; back, scapulars, and lesser wing-coverts simi- 

 lar in color to pileum, but more or less (usuall}' very faintly) tinged 

 with olive-green; lower back, rump, and upper tail-coverts light gray- 

 ish olive-green, or smoke gray tinged with olive-green; wings (except 

 lesser coverts) and tail deep brownish gray (approaching hair brown) 

 with pale brownish gray edgings, these slightly tinged with olive- 

 green on secondaries and rectrices; inner webs of remiges and rectrices 

 more or less broadly edged with white; a superciliary stripe of dull 

 gra3'i.sh white or brownish white extending considerablv beyond eye; 

 auricular region and sides of neck pale buffy gray or paU' l>utl"v 

 l)rownish; under parts didl white medially, passing into pale butfj'' 

 olive or dull pale buffy j^ellowi.sh on sides and Hanks, the median under 

 parts sometimes tinged with this color; axillars and under wing- 

 coverts very pale primrose 3'ellow or yellowish white; maxilhi horn 

 l)rownish with paler tomia; mandible pale horn color (pale grayish 

 )>lue or bluish gra}" in life ?); iris brown; legs and feet dusky in dried 

 skins, pale grayish blue in life. 



Young {jirxf plumage). — Pileum and hindneck plain })ah' grayish 

 buff; back, scapulars, lesser and middle wing-coverts, and rump light 

 )>uffy grayish or grayish buff; wings and tail as in adults, but greater 

 wing-coverts indistinctly tipped with dull brownish buff or pale l)utfy 

 olive; a very indistinct superciliary stripe of whitish or buffy whitish, 

 the lores and sides of head below eyes similar, passing into deeper 



