Perching Birds Marked With Yellow. or Orange. 
672a. Yellow Palm Warbler (D. p. hypochrysea), 
Similar to No. 672, but underparts entirely bright yel- 
low; upperparts yellower. Winter specimens are 
whiter below but are still conspicuously yellow. 
Range. Eastern United States; breeds from Nova Scotia north- 
ward, east of Hudson Bay; migrates through Atlantic States and 
winters in Florida and west to Louisiana, 
673. Prairie Warbler (Dendroica discolor). L. 4.7. 
Wing-bars yellowish; tail-patches white. Ad. GQ. 
Above bright olive-green with reddish chestnut spots 
in the back; below yellow, sides with black streaks. é Aiouence 
Ad. @. Similar, but usually duller; chestnut spots f Wavbley 
smaller, sometimes absent. Yug. Similarto Q Ad., 
but browner. Notes. Song,a high, thin ee, zee, cee, 
zee, zee-e, zee, the next to last highest. (See page 196.) 
Range.—Eastern United States; breed® from Florida to Massachu- 
setts, southern Ontario, and southern Michigan; winters from south- 
ern Florida into the West Indies. 
Lawrence Warbler (Helminthophila lawrencei), Re- 
sembles No. 641, but has a black breast patch and 
a broad black stripe through the eye as in No. 642. 
It is believed to be a hybrid between the two. Some ; —, 
15 specimens are known. Its notes are said to re- §& A Brewster 
semble to those of both No. 642 and No. 641. MESES 
Brewster Warbler (Helminthophila leucobronchialis). GE 
Resembles No. 642 above, but is white usually 
tinged with yellow below, this type being connected 
with No. 641, by specimens showing more green above 
and yellow below. Hybridism and dichromatism are 
believed to account for these birds of which somewhat 
over a hundred specimens are known, chiefly from the 
lower Hudson and Connecticut Valleys. Some songs 
resemble those of No. 642, others those of 641. 
644. Virginia Warbler (Helminthophila virginic). 
L. 4.5. No white in wings or tail. 4d. G. Above 
gray, crown-patch chocolate; upper tail-coverts yel- 
lowish; below whitish, breast-patch and under tail- 
coverts yellow. dd. @. Similar, but less (sometimes 
no) chocolate in crown and yellow on tail-coverts; 
duller below. Yug. No crown patch; below washed 
with buff, little or no yellow on breast. Notes. Very 
musical, with a song of remarkable fullness for so 
small a bird. (Aitken.) 
Range.—Rocky Mountain region from Nevada and Colorado (rarely 
Wyoming) south into Mexico. 
655. Myrtle Warbler (Dendroica coronata). L. 5.6. 
Crown, sides of breast and rump yellow. Ad. ¢. 
Above blue-gray streaked with black; throat white, 
breast largely black; two white wing-bars; outer tail- 
feathers with white. 4d. 9. Browner above, less black 
on breast. Gz winter. Above brown, back indis- 
tinctly streaked with black; below whitish, breast and 
sides streaked with black: Yung. 9. Similar, but less 
yellow on crown and sides. Notes. Call, a character- 
istic ¢chip; song, a trill. 
Range.—Eastern North America, west in. migrations, to the Rockies; 
breeds from northern New England and northern Minnesota north to 
Labrador and Alaska; winters from Massachusetts and Kansas south 
into West Indies and Central America. 
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