FIELD KEY TO THE LAND BIRDS. a1 
never hopping. It comes in flocks, sometimes with 
other birds. 
71. LAPLAND LONGSPUR.  Calearius lap- 
ponicus. — Length, 64 inches. Upperparts buff and 
chestnut, streaked with black; underparts and outer 
tail-feathers white ; nail of hind toe very long. Other- 
wise like the Snowbird. 
72. BAY-WING GRASS FINCH. VESPER 
SPARROW. Poocaetes gramineus. — Length, 6 
inches. Grayish brown above; underparts buff and 
white; wing coverts bright red-brown; streaked 
with black all over except on throat and _ belly; 
outer tail-feathers white. A summer bird, winter- 
ing in the Southern States. He inhabits fields and 
grass land, and lives on the ground, but is not, like 
the two preceding species, averse to perching on 
trees. 
%3. IPSWICH SPARROW. <Ammodramus 
princeps. — Length, 64 inches. Pale ashy brown, 
streaked above; white and little streaked underneath ; 
a yellow spot in front of the eye, and one on the bend 
of the wing; a white line over the eye ; no red-brown 
on wing coverts. A seashore sparrow, wintering here 
and breeding to the north. 
44. SAVANNA SPARROW. Ammodramus 
sandwichensis savanna. — Length, 53 inches. Brown 
above; underparts white, much streaked with black 
and red-brown; tail blackish; forehead black with a 
narrow light line in the middle., This sparrow is 
common in summer, being found in fields and grass 
land, particularly at the seashore. 
48. YELLOW-WINGED OR GRASS- 
HOPPER SPARROW. Ammodramus savannarum 
passerinus. — Length, 5§ inches. Yellowish buff ; 
wing coverts greenish yellow; top of head black with 
a light middle line; back of head chestnut; back 
marked and streaked with black; underparts not 
marked; tail-feathers pointed. Female with breast 
and sides streaked. A small, chunky sparrow, winter- 
