FIELD KEY TO THE LAND BIRDS. 7 
PTARMIGAN. WILLOW GROUSE. Lagopus 
lagopus. — Length, 15 inches. An Arctic bird, some- 
times found in winter in the Northern States.  En- 
tirely white except the outer tail-feathers, which are 
black ; in summer it is brown with black bars. It 
has no ornamental feathers at the side of the neck, 
but its feet are covered with feathers to the toe-nails. 
WILD TURKEY. Meleagris gallopavo. — Length, 
48 inches. One of the finest game birds, now nearly 
extinct east of the Mississippi. 
SHARP-TAILED GROUSE. Pediocaetes phasia- 
nellus. — Length, 18 inches. Resembles the Partridge, 
but is more speckled, and has a pointed tail. ~A 
Northwestern bird, sometimes found in the markets. 
PIGEONS. Columbae. 
Pies biti. — Slender, of medium length, 
fo: deeply grooved at the 
= >) nostrils. 
ZA Lepr. — Hind toe even “with the 
ae front toes. 
a Wina. — Long, swift fliers. 
Foop. —Seeds, grain, acorns, beech- 
nuts, etc. 
5. WILD OR PASSENGER*PIGEON.  feto- 
pistes migratorius. — Length, 164 inches. Slate blue 
above; underparts reddish; no black dots below the 
ear. Female and young, brownish gray above; gray- 
ish below. This is a wood bird, breeding northward 
and in the mountains, and wintering in the South, 
It was formerly found in countless swarms, but is now 
nearly exterminated. 
6. MOURNING DOVE. Zenaidura macrura. 
— Length, 11 inches. Grayish brown above ; under- 
