45 
ORANGE-CROWNED WARBLER. 
SYLVIA CEL A TJl. 
Plate Y. Fig. 2. 
Sylvia celata. Say, in Long’s Expedition to the Rocky Mountains , I, p. 169. 
Philadelphia Museum , No. 7013. 
This little bird, discovered early in May, at Engineer Canton¬ 
ment, on the Missouri river, was first described and named by Say; 
the species was not uncommon at that season, and appeared to be 
on its passage further north. It is more particularly interesting, 
inasmuch as it enriches the Fauna of the United States with 
another species of the small sub-genus Eacnis, which may be as¬ 
certained by inspecting the bill, represented in the annexed plate. 
The Orange-crowned Warbler is full five inches long, and seven 
in extent. The bill is dark horn colour, slender, straight, entire, 
and tapering to an acute point; the base of the inferior mandible 
is whitish beneath; the legs are dusky; the irides dark brown. 
The general plumage above is dull greenish-olive, the rump and 
tail coverts being bright yellowish-olive. The head is very slightly 
and inconspicuously crested; the feathers of the crest are orange 
at base, constituting a spot on the crown, visible only when they 
are elevated, being tipped with the common colour. The whole 
bird beneath is dull olive-yellow; the inferior tail coverts are pure 
yellow. The wings are destitute of spots or bands; the primaries 
are dark brown, olive-green on the exterior margin, which is much 
paler on the outer ones; the interior margin is whitish; the four 
outer primaries are sub-equal; the fifth is but very little shorter. 
YOL. I.-M 
