Perching Birds Marked With Yellow or Orange. 
451._ Sulphur-bellied Flycatcher (Mytodynastes lu- 
tetventris). L. 8. Below’ sulphur streaked with 
black; tail largely rusty brown; a yellow crown-patch; 
inner wing feathers widely margined with whitish; 
back grayish brown streaked with dusky. Yng. With 
no crown-patch. Notes. A screech, like squeaking 
of a wagon wheel, and a single note. (Poling.) 
Range.— Central America; breeds north as far as southern Arizona. 
452. Crested Flycatcher (Mriarchus crinitus). L. 
9. Inner webs of all but middle tail-feathers rust- 
brown. Ads. Throat and breast gray, belly bright 
sulphur; back grayish olve-green; greenest above and 
yellowest below of our larger Myrarcht. Notes. Loud, 
chuckling, grating whistles. 
Range - Eastern North America; west to the Plains: breeds from 
Florida and Texas north to New Brunswick and Manitoba; winters 
from southern Florida south to northern South America. 
453. Mexican Crested Flycatcher (Mprarchus mex- 
tcanus), L.9.2;W.4. Inner webs of all but middle 
tail-feathers rust brown. Ads. Throat and breast 
gray, belly sulphur, both paler than in No. 452; back 
rayish brown, with little or no green tinge. Notes. 
Recsnble those of No. 452. (Merrill. ) 
Range.— Central America; breeds north as far as Lower Rio Grande, 
exas. 
453a. Arizona Crested Flycatcher (M. m. magrs- 
ter). Similar to No. 453, but larger, L. 9.4, W. 4.2, 
and averaging slightly paler. 
Range.—'‘ Western Mexico; north to southern Arizona and south- 
west New Mexico; south In winter to Tehuantepec, Mexico.’’ 
454. Ash-throated Flycatcher (Myzarchus cineras- 
cens). L.8.; W. 4. Inner webs of all but middle 
tail-feathers rust-brown, outer pair dusky at tip of 
inner web. Ads. Throat and breast pale grayish 
white, belly white tinged with yellow, above grayish 
brown, outer web of outer tail-feather whitish. Palest 
below of our Mriarch?. Notes. A rather resonant but 
wooden chiick-pr-r-r-r. 
Range.—Western United States: breeds from western Texas and 
Lower California north to Colorado and Oregon; winters in southern 
Mexico and Central America. 
454a. Nutting Flycatcher (M. c. nutting?). Simi- 
lar to No. 454, but smaller, W. 3.6, outer margin of 
outer tail-feather not whitish, tip of its inner web 
rusty, not dusky. 
Range. —Breeds in southern Arizona and western Mexico; winters 
n Central America. = 
454b. Lower California Flycatcher (M. c. pertinax). 
Similar to No. 454a, but bill larger and stouter; above 
grayer; below less yellow. (Brewster.) 
Range.—Lower California. 
455a. Olivaceous Flycatcher (Myzarchus lawrencet 
olivascens). L.7. Ads, Inner webs of tail-feathers 
like outer webs; tail-feathers margined with rusty; 
breast and belly as in No. 452; crown brownish, back 
grayish olive-green. Notes. A short mournful peeur. 
Range.— Breeds from western Mexico north to southern Arizona; 
winters south to southern Mexico; casual in Colorado. 
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