VIREOSYLVIA. 3833 
Vireosylvia olivacea. 
Muscicapa olivacea, Linn. S. N. I, 1766, 327 (based on Epwarps, tab. 
253, and Caressy, pl. 54).—Wiis. Am. Orn. II, 1810, 53, pl. xii» 
fig. 3.—Lanius olivaceus, Licur. Verz. 1823, 49 (N. Amer.).— Vireo 
olivaceus, V1EILL., Bon. Obs. Wils. 1826, 124.—Swauns. F. B. A. I, 
1831, 233.—Avup. Orn. Biog. II, pl. 150.—In. B. A. IV, pl. 243.— 
Baird, Birds N. Am. 1858, 331.—Vireosylvia oliv. Bon., Geog. 
Comp. List, 1838.—Is. Consp. 1850, 329.—RemnHarpt, Vid. Med. 
f. 1853, 1854, 82 (Greenland).—Is. Ibis, II, 7.—Scuarer, P. Z. 8. 
1855, 151 (Bogota) ; 1859, 137, 363 (Xalapa).—Is. Catal. Am. Birds, 
1861, 43, no. 261.—A. & HE. Newron, Ibis, 1859, 145.—Scuarer & 
Sauvin, Ibis, 1859, 12 (Guatemala).—Lawrencr, Ann. N. Y. Lyc. 
VII, 1860, 246 (Cuba).—Ibis, 1864, 394 (Derby, Engl. May, 1859). 
—Phyllomanes oliv. Cas. Mus. Hein. 1850-51, 63.—Is. Jour. 1860, 
404 (Costa Rica).—Gunpt. Cab. Jour. 1861, 324 (Cuba; very rare). 
? Vireo virescens, ViriLu. Ois. Am. Sept. I, 1807, 84, pl. liii (Penna.).— 
?Gray, Genera, I, 267, pl. Ixv. 
Vireo bogotensis, Bryant, Pr. Bost. Soc. VII, 1860, 227 (Bogota).—Law- 
RENCE, Ann. N. Y. Lyc. 1863 (Birds Panama, IV, No. 378). 
Hab. Whole of Eastern North America (Halifax, Greenland, Fort Simpson), 
west to base of Rocky Mts., reaching Fort Bridger and still further northward 
to Bitterroot Mts. and Kootenay; south to Panama and Bogota, in winter 
(Xalapa only in Mexico); very rare in Cuba (only West Indian locality). 
Accidental in England. 
(No. 1,418, %, Carlisle, Pa., May, 1844.) Upper parts olive green. Top of 
head, from bill to nape, ash color. A white line from nostrils above and 
beyond the eye, bordered above by a dusky line forming the edge of the ashy 
cap, and below by a similar, perhaps paler loral and post-ocular cheek stripe. 
Beneath, including tibiew, white, with perhaps a tinge of olivaceous ash across 
the breast; the sides of neck like the back; sides of the body with a faint 
wash of olive. Axillars and crissum faintly tinged with sulphur yellow; lining 
of wings and its edge, the latter especially, nearly white. Quills blackish- 
~ Vireosylvia olivacea. 
brown, edged externally, except at ends of primaries, with olive, internally 
with white. Tail feathers lighter brown, edged externally like the back, in- 
ternally with pale olivaceous-white. 
Bill dusky above, pale below; tarsi plumbeous ; iris red. 
