BIRDS—LANIIDAE—VIREO OLIVACEUS. 
331 
Comparative measurements of tlie species. 
Catul. 
Mo. 
Species. 
Locality. 
Sex. 
Length. 
Stretch 
ofwings. 
Wing. 
Tail. 
Tarsus. 
Middle 
toe. 
Its claw 
alone. 
Bill 
above. 
Along 
gape. 
Specimen 
measured. 
1418 
8 
5.52 
3.28 
2.46 
0.73 
0.66 
0.18 
0.54 
0.80 
6.33 
10.25 
3.33 
1440 
O 
5.22 
3.04 
2.28 
0.68 
0.60 
0.18 
0 48 
0.70 
Dry. 
6 00 
9 75 
2.16 
3976 
8 
5.90 
3.12 
2.66 
0.70 
0.55 
0.16 
0.58 
0.78 
5.75 
9 75 
3.25 
8030 
5.50 
2.70 
2.40 
0.70 
0.56 
0.16 
0.50 
0.72 
5.20 
3.20 
2 50 
0.70 
0.62 
0.20 
0.60 
0.87 
4333 
Vireo philadelphicus..... 
Dane county, Wis.... 
4.70 
• • 0 . • . . 
2.56 
1.92 
.0.66 
0.57 
0.17 
0.38 
0.64 
Dry. 
988 
s 
5.04 
2.76 
2.28 
0.70 
0.58 
0.16 
0.46 
0.68 
do.. 
s 
5.33 
8.91 
2.83 
1017 
9 
4.80 
2.72 
2.22 
0.G4 
0.53 
0.16 
0.40 
0.60 
do.. 
5.33 
8.83 
2.83 
5521 
* 
. 
4.64 
2.71 
2.40 
0.68 
0.54 
0.16 
0.40 
0 60 
5.25 
6.08 
2.25 
1926 
4.30 
2.18 
1.90 
0.74 
0.52 
0.16 
0.30 
0.55 
Drv. 
8197 
s 
4.26 
2.16 
1.94 
0.73 
0.54 
0.18 
0.40 
0.58 
do.. 
4.87 
6.87 
2 37 
8187 
$ 
4.20 
2.20 
2.00 
0.72 
0.56 
0.16 
0.42 
0.58 
5.00 
7.25 
2.50 
6818 
4.12 
2.16 
1.92 
0.75 
0.56 
0 17 
0.44 
0.55 
Dry. 
4.75 
7.25 
2.12 
3725 
4.70 
2.40 
2.16 
0.74 
0.52 
0.16 
0.40 
0.54 
Drv. 
10229 
4.78 
2.74 
2.28 
0.74 
0.62 
0.20 
0.47 
0.58 
Drv. 
10193 
4.82 
2.44 
2.18 
0.74 
0.52 
0.16 
0.47 
0.57 
Dry. 
929 
9 
5.00 
2.84 
2.30 
0.70 
0.63 
0.18 
0.42 
0.59 
Dry. 
5 41 
9.00 
2.41 
300 
.do. 
8 
5.30 
2.90 
2 30 
0.69 
0.62 
0.18 
0.44 
0.63 
do.. 
5.41 
9.00 
2591 
8 
4.80 
3.00 
2.00 
0.73 
0.63 
0.16 
0.50 
0.66 
Dry. 
do.. 
5.83 
9.75 
3.16 
Fresh. 
2217 
O 
4.80 
3.08 
2.36 
0.72 
0,64 
0.18 
0.48 
0.60 
Dry. 
do. 
V 
5.33 
9.50 
3.16 
VIREO OLIVACEUS, Vieill. 
Red-eyed Flycatcher. 
Muscicapa olivacca, Linn. Sysl. Nat. I, 1766, 327. —Gm. 1, 1788, 938. — Wilson, Am. Orn. II, 1810, 55 ; pi. xii, f. 3. 
Lanius olivaceus , Licht. Verzeich. 1823, 49, No. 525. 
Vireo olivaceus, “ Vieillot,” Bon. Obs. Wilson, 1826, No. 124.—Sw. F. B. A. II, 1831, 233.— Nuttall, Man. I, 
1832, 312.— Aud. Orn. Biog. II, 1834, 287 : V, 430 ; pi. 150.— Ib. Syn. 1839,162.— Ib. Birds Amer. 
IV, 1842, 155; pi. 243. 
Vireosylvia olivacca, Bon. Geog. & Comp. List, 1838.— Ib. Consp. 1850, 329.— Reinhardt, Vid. Med. f. 1853, 
1854, 82. 
Phyllomanes olivaceus, Cab. Mus. Hein. 1850—’51, 63. 
Red-eye fly catcher, Pennant, Catesby, Latham. 
Sp. Ch.—S econd and third quills about equal, and longest; first a little shorter than the fourth, but considerably longer than 
the fifth. Back, rump, and edges of wing and tail feathers, bright olivaceous green. Side of head and neck paler. Crown 
dark ash, sharply defined. A well defined whitish line from the bill over the eye, nearly to the occiput ; a dark line separating 
it above from the ashy crown. A dusky line through the eye. Beneath white ; under tail coverts pale sulphur yellow. Length, 
about 6.50 inches ; wing, 3.50. Iris red. 
Hah .—Eastern United States to the Missouri; in Texas to Devil’s river ; south to Guatemala. Greenland, (Reinhardt.) 
This is among the largest of the North American Vireos, and is of very plain colors. The hill 
is long and nearly straight to the abruptly curved tip. There is no spurious primary ; the second 
