MYIARCHUS. 333 
yellowish white. Young with more rufous on tail, etc., than adults. West usually 
in holes of trees. Eggs 3-6, curiously marked with fine “pen-lines” and intricate 
pencillings of black and various shades of rich purplish brown over a buffy or 
creamy brown. 
a’. Inner webs of tail-feathers chiefly rufous. 
6}. A broad dusky stripe, of uniform width, along inner side of shaft of outer 
tail-feathers. (Above olive, browner on top of head, and more or less 
tinged with rusty on upper tail-coverts; outer webs of quills edged 
with rusty; chin, throat, and breast pale ashy, sometimes almost 
white on throat; rest of under parts pale sulphur-yellow.) 
ce. Smaller: Length about 8.50-9.00, wing 3.80-4.20 (4.01), tail 3.80-4.25 
(4.04), bill from nostril .62-.75 (.66), tarsus .82-.92 (.90). ggs .88 
X .69, averaging much paler than those of M. crinitus. Hab. 
Eastern and southern Mexico, north to lower Rio Grande Valley 
in Texas, south to Guatemala and Salvador. 
453. M. mexicanus (Kaup). Mexican Crested Flycatcher. 
ce. Larger: Length about 9.40-10.00, wing 4.04-4.60 (4.30), tail 4.10-4.60 
(4.29), bill from nostril .68-.82 (.73), tarsus .97-1.02 (1.00). Had. 
Western Mexico, north to southern Arizona; south, in winter, to 
Tehuantepec.................. 453¢. M. mexicanus magister Ripew. 
Arizona Crested Flycatcher. 
b*. Without a broad dusky stripe along inner side of shaft of outer tail- 
feather, except sometimes near tip. 
ce. Throat and chest deep ash-gray, belly bright sulphur-yellow, back, 
etc., decidedly olive. 
Length about 8.50-9.00, wing 3.90-4.40, tail 3.50-4.20, bill from 
nostril .55-.65, tarsus .78-.82. Hggs .89 x .69. Hab. Eastern 
United States, north to southern Canada, west to edge of 
Great Plains; south, in winter, through eastern Mexico and 
Central America to Costa Rica. 
452. M. crinitus (Liny.). Crested Flycatcher. 
c. Throat and chest very pale ashy, sometimes almost white on former; 
belly pale sulphur-yellow ; back, ete, grayish brown. 
d'. Inner web of outer tail-feather dusky at tip (excepting in young, 
in which tail-feathers are rufous, with median dusky stripe), the 
outer web distinctly whitish. 
Length about 8.00-8.50, wing 3.80-4.25, tail 3.65-4.20, bill 
from nostril .52-.60, tarsus .88-.95. Eggs .88 x .65, colored 
and marked like those of I mexicanus. Hab. Western 
United States, east to Rocky Mountains, south over high- 
lands of Mexico (to lowlands of Tehuantepec in winter). 
454. M. cinerascens Lawrz. Ash-throated Flycatcher. 
d*, Inner web of outer tail-feather without dusky at tip, and outer 
web not distinctly whitish. 
