VIREOSYLVIA. 347 
Vireosylvia solitaria. 
Muscicapa solitaria, Wits. Am. Orn. II, 1810, 148, pl. xvii, fig. 6.— 
Vireo solitarius, Viertn. Nouv. Dict. XI, 1817.—Avp. Orn. Biog. I, 
pl. 23.—Is. Birds Am. IV, 1842, pl. 239.—Cassin, Pr. A. N. Se. 
1851, 150.—Scuater, P. Z. S. 1856, 298 (Cordova); 1859, 363 
(Xalapa) ; 375 (Oaxaca ?).—Is. Catal. 1861, 42, no. 255 ?—ScnaTER 
& Savin, Ibis, 1860, 31 (Guatemala).—Cas. Jour. III, 468 (Cuba). 
—Gonpuacu, Cab. Jour. 1861, 324 (Cuba; very rare).— Vireo (Lani- 
vireo) sol. Batrp, Birds N. Am. 1858, 329. 
2Vireo cassini, Xantus, Pr. A. N. Sc. May, 1858, 117 (Fort Tejon).—. 
Bairp, Birds N. Am. 1858, 340, pl. 78, fig. 1 (same spec.). 
Hab. United States, from Atlantic to Pacific; Cape St. Lucas. Not recorded 
from southern Rocky Mts., where replaced by V. plumbea. South to Mexico 
and Guatemala. Very rare in Cuba. 
(No. 300, %.) Above olive green, including upper tail coverts ; the top and 
sides of head and nape ashy plumbeous; sidés of the neck plumbeous olive. 
Broad line from nostrils to ; 
and around eye, involving 
the whole lower eyelid, 
white. A loral line in- 
volving the edge of the 
eyelid, and a space be- 
neath the eye dusky plum- 
beous. Beneath white; 
the sides yellow, overlaid 
with olive, this color not 
extending anterior to the 
breast. Axillars and base of crissum pale sulphur yellow, the long feathers 
of the latter much paler or nearly white. Wings with two bands and outer 
edges of innermost secondaries olivaceous-white; the quills dark brown, 
edged externally with olive green, internally with white; tail feathers simi- 
larly marked, except that the lateral feather is edged externally also with 
white, the central without internal border. Bill and legs blackish-plumbeons. 
Iris brown. ; 
First quill spurious, rather more than one-fifth the 2d, which is intermedi- 
ate between 5th and 6th; 3d longest. 
(No. 300, §.) Fresh specimen: Total length, 5.40; expanse of wings, 9.00. 
Prepared specimen: Total length, 5.25; wing, 2.95; tail, 2.55; difference be- 
tween 10th and longest primary, .85; exposed portion of Ist primary, .50, of 
2d, 2.08, of longest (measured from exposed base of 1st primary), 2.25; 
length of bill from forehead, .60, from nostril, .31, along gape, .66; tarsus, .72; 
middle toe and claw, .54; hind toe and claw, .46. 
Vireosylvia solitaria. (Washington, D. C.) 
Spring specimens show sometimes a gloss of plumbeous on the 
back, obscuring the olive, the contrast of colors being greater in 
the autumnal and young birds. Sometimes the crissum appears 
nearly white. The length of the spurious primary varies consider- 
