Perching Birds Marked With Blue. 
658. Cerulean Warbler (Dendroica cerula). L. 5. 
Ad. 3. A gray-blue breast band; above bright gray- 
blue streaked with black; wing-bars and spots in tail 
white. Ad. 9 and Yng. 3B. Above blue-gray washed 
with greenish, below yellowish white; a whitish line 
overeye. Notes. Call, a warbler dsp and tchp of the 
Myrtle Warbler; song resembling that of Parula 
Warbler. (Brewster.) (See page 180.) 
Range.—Mississippi Valley, breeding north to Minnesota and east 
to Cayuga County, New York, Maryland, and West Virginia; gener- 
ally rare east of Alleghanies; migrates south through Texas and 
winters in Central and South America. 
597. Blue Grosbeak (Guiraca cerulea). L. 7; W. 
3.4. Ad. 3. Deep, dark blue, back blacker and 
sometimes with brownish edgings; lesser wing-coverts 
broadly, greater wing-coverts narrowly tipped with 
chestnut. In winter more or less tipped with brown- 
ish above and below. Ad. 9. Above grayish brown, 
deepest on head; below grayish white washed with 
buffy: wing-bars buff. Some specimens show more or 
less blue, particularly about head. Yung. dv. Like &, 
but browner. Notes. Call, a strong, harsh, pichick; 
song, a_ beautiful but feeble warble, somewhat like 
that of Purple Finch and with a slight resemblance to 
that of Rose-breasted Grosbeak. TRidew 
Range.—Eastern United States; breeds from the Gulf north to 
Maryland and southern Illinois; winters south of United States into 
Oeoke and Central America; casually north as far as Maine and 
uebec. 
597a. Western Blue Grosbeak (G. ¢. Jagula). Sim- 
ilar to No. 597, but larger, W. 3.6: male brighter blue; 
back blacker; tips of wing-coverts paler, those of greater 
coverts usually decidedly paler than those of lesser 
coverts and averaging wider than those of No. 507. 
Female averaging paler, less brown. 
Range.—Western United States; breeds from Mexico north to 
Kansas, southern Nebraska, Colorado, and northern California; 
winters in Mexico and Central America. 
~ 598. Indigo Bunting (Cyanospiza cyanea). L. 5.4. 
No white wing-bars. Ad. g’. Deep blue, darkest 
on head. In winter brown, paler below, more or less 
mixed with blue. Ad. 2. Above brown; below 
whitish washed with brown with a suggestion of streaks; 
lesser wing-coverts and margins of tail-feathers usually 
tinged with blue. Yxg. Similar to Q but below more 
streaked; browner, and generally without blue tinge. 
Notes. Call, a sharp pt; song, a tinkling, unsympa- 
thetic, rapid warble, July, July, summer-summer’s here; 
morning, noontide, evening, list to me. 
Range.—Eastern United States, west to the Plains, casually to Col- 
orado; breeds north to Nova Scotia and Manitoba; winters in Central 
America. 
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