74 THE FIELD SPARROW. 
No. 36. 
FIELD SPARROW. 
A. O. U. No. 563. Spizella pusilla (Wils.). 
Description.—Adults: Crown dull chestnut with a slight admixture of 
ashy gray; auriculars bordered with chestnut; nape gray; feathers of back rufous 
with black central streaks and buffy edgings; wings dusky, the primaries edged 
with whitish and the rest with rufous, the middle and greater coverts tipped 
with white, forming two inconspicuous bars; tail fuscous; below ashy gray, un- 
marked save for slight brownish suffusion of breast and flanks; bill pale reddish; 
feet pale. Length 5.25-5.75 (133-3-146.1) ; wing 2.57 (65.3); tail 2.05 (67.3); 
bill .36 (9.1). 
gem Oe 
¥ SN 
Photo by the Author. 
4 
“aken near Oberlin. 
FIELD’ SPARROW’S NEST IN GRASS CLUMP. 
Recognition Marks.—Warbler size; crown not bright chestnut; bill uniform 
pale reddish; unmarked below. This bird has few positive marks, and is oftenest 
“sensed,” or determined by elimination. 
Nest, in low bushes or on the ground, a neat but simple structure of dried 
erasses, sometimes, but rarely, lined with horse-hairs. Eggs, 3-5, white, bluish- 
or pinkish-white, with numerous small spots of reddish brown, generally dis- 
tributed or gathered loosely about larger end. Av. size, .70 x .51 (17.8 x 13.). 
General Range.—Eastern United States and southern Canada, west to the 
