BIRDS-SYLVICOLIDAE— OPORORNIS FORMOSUS. 
247 
the ash of the throat is so strongly tinged with brownish (with perhaps a tinge of olive) as to 
obscure the ash. The crown also is like the back. 
The Trichas teplirocotis of NuttaR appears to be only an adult in very full plumage, with the 
entire head above clear bluish ash, (as just referred to in No. 2939,) instead of glossed with 
olivaceous, as in most specimens. 
List of specimens. 
Oil tell 
No. 
Sex. 
Locality. 
When collected. 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. 
2939 
2309 
1235 
Eastern U. States-. 
J. J. Audubon_ 
$ 
Carlisle, Pa_ 
May 20, 1845 
Oct. 3, 1843 
May 15, 1855 
S. F. Baird. 
6. 91 
9. 00 
3. 00 
Philadelphia, Pa_ 
South Illinois -_ 
.----.do___ 
s 
N. W. University.. 
R. Kennieott_ 
OPORORNIS FORMOSUS, Baird. 
Kentucky Warbler. 
Sylvia formosa, Wilson, Am. Orn. Ill, 1811, 85 ; pi. xxv, f. 3.— Bonap. Obs. Wils. 1825-6, 15G.— Nuttall, Man. 
I, 1832, 399.— Audubon, Orn. Biog. I, 1832, 196; pi. 38. 
Sylvicola formosa, Jaudine ed. Wilson, 1832.— Rich. List, 1837.— Bonap. List, 1838. 
J\lyiodioctesformosus, Aud. Syn. 1839, 50.— Ib. Birds America, II, 1841, 19 ; pi. 74.— Bonap. Conspectus, 1850,315. 
Sp. Ch. —Upper parts and sides dark olive green. Crown and sides of the head, including a triangular patch from behind 
the eye down the side of the neck, black, the feathers of the crown narrowly lunulated at tips with dark ash. A line from 
nostrils over the eye and encircling it (except anteriorly) with the entire under parts, bright yellow. No white on the tail. 
Female similar, with less black on the head. Length, 5 inches ; wing, 2.95 ; tail, 2.25. 
Hab. —Eastern United States as far west as Fort Riley, south to Guatemala. 
The wings of this species are long and pointed ; the first three nearly equal and considerably 
longer than the rest. The tail is slightly rounded. 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When col¬ 
lected. 
Whence obtained. 
Orig. 
No. 
Collected by— 
Length. 
Stretch 
ofwings. 
Wing. 
Remarks. 
2373 
10154 
10153 
6985 
7520 
5889 
7988 
S. F. Baird. 
May 12,- 
9 
c? 
May 13,1857 
79 
25 
W. S. Wood. 
5.50 
8.00 
3.00 
Iris brown, feet flesh. 
j Dr. Hammond & 
\ Mr. DeVesey. 
