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 tephrocotis of Nuttall 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. 
Catal. 
No. 
Sex. 
Locality. 
When collected. 
Whence obtained. 
Collected by— 
Length. 
Stretch 
of wings. 
Wing. 
2939 
2309 
1235 
S 
May 20, 1845 
Oct. 3, 1843 
May 15, 1855 
S. F. Baird 
5. 91 
9.00 
3. 00 
Philadelphia, Pa... 
South Illinois . 
do 
3 
N. W. University.. 

OPORORNIS FORMOSUS, Baird. 
Kentucky Warbler. 
Sylvia formosa, Wilson, Am. Orn. Ill, 1811, 85; pi. xxv, f. 3.— Bonap. Obs. Wils. 1825-6, 156.— Nuttall, Man. 
I, 1832, 399.— Audubon, Orn. Biog. I, 1832, 196; pi. 38. 
Sylvicola formosa, Jahdine ed. Wilson, 1832.— Rich. List, 1837.— Bonap. List, 1838. 
Myiodioctes formosus, 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 lino 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. 
Hub. — 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 specimeyis. 
Catal. Sex. 
No. 
Locality. 
When col- 
lected. 
Whence obtained. 
Orig. 
No. 
Collected by- 
Length . 
Stretch 
of'wings. 
Wing. 
Remarks. 
Georgia 

1U153 ! Q 
6985 <J 
tin 1 3 
79 
7520 
25 
5.50 
8.00 
3.00 
Iris brown, feet flesh. 
Fort Rilev. K. '1' 1 
I Dr. Hammond & 
7968 
( Mr. DeVesey. 
J. Gould 
1 | 
