500 
NORTH AMERICAN BIRDS. 
ter bordered on each side by a 
broad stripe of rich chestnut ex- 
tending continuously from sides 
of neck to flanks; lores and a tri- 
angular patch on cheeks (touch- 
ing the chestnut stripe) black ; 
back striped with black and 
light olive-grayish, more or less 
mixed with light olive-yellowish. 
Adult female: Similar to male, 
but duller, the upper parts more 
decidedly olive-green (even on 
crown), the black markings on 
head indistinct, and chestnut on 
sides more restricted. Young in 
Jirst autumn: Above bright olive- 
green, the wing-bands strongly 
tinged with sulphur-yellow; 
sides of head and thence back- 
ward to flanks plain ash-gray ; 
an orbital ring and median lower 
parts white. Length 4.60-5.25, 
wing 2.40-2.65, tail 1.95-2.10. 
Nest in small trees or under- 
growth in edge of woods, often 
near cultivated fields. Eggs .65 
X 49, white, or creamy white, 
speckled, chiefly on or round 
larger end, with rusty brown, 
madder-brown, and _lilac-gray, 
occasionally mixed with a few 
smaller black markings. Hab. 
Eastern United States and Can- 
ada, breeding north of 40°, except 
in higher mountains; in winter. 
south to Bahamas, eastern Mex- 
ico, and Central America, as far 
as Panama...... 659. D. pensyl- 
vanica (Linn.). Chestnut- 
sided Warbler. 
f. Wing more than 2.75. 
kK, Under tail-coverts pale buff; upper 
tail-coverts and edges of quills 
bluish gray. Adult male: Top 
of head chestnut, bordered an- 
