DENDROICA. 
507 
broad malar stripe (widening 
behind), and lower parts, pure 
white; sides broadly streaked 
with black; a yellow spot or 
streak above lores; upper parts 
bluish gray, the back streaked 
with black. Adult female: Simi- 
lar to male, but colors duller, 
and black of throat more or less 
mixed with white (the latter 
sometimes prevailing). Young 
in first autumn: Essentially like 
adults, but upper parts much 
tinged with brown, the top of 
head grayish like back (some- 
times streaked with black), back 
with black streaks indistinct or 
concealed, and throat sometimes 
entirely white superficially. 
Young : Above plain dull brown- 
ish gray; lower parts plain dull 
gray anteriorly, white posteri- 
orly. Length 4.70-5.40, wing 
2.35-2.65, tail 2.15-2.35. Eggs 
.61 x .50, white, pinkish white, 
or creamy white, spotted or 
speckled, chiefly on or round 
larger end, with reddish brown 
and lilac-gray, usually mixed 
with a few darker specks. Hab. 
Western United States, in moun- 
tains, north to Colorado, Oregon, 
etc.; south, in winter, into Mex- 
ico, as far as Oaxaca, Guana- 
juato, and Orizaba.. 665. D. ni- 
grescens (Towns.). Black- 
throated Gray Warbler. 
j. Sides of head yellow and black or yellow 
and olive. 
#. Sides broadly streaked with black ; 
black of chest extending farthest 
back on sides. 
?, Breast white, or merely tinged 
with yellow; ear-coverts at 
least partially yellow, never 
