MYIARCHUS. 333 



yellowish white. Young with more rufous on tail, etc., than adults. Nest 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 1 . Inner webs of tail-feathers chiefly rufous. 



b l . 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.) 



c\ 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 .S2-.92 (.90). Eggs .87 



X -68, averaging much paler than those of M. crinitus. Hob. 



Eastern and southern Mexico, north to lower Eio Grande Valley 



in Texas, south to Guatemala and Salvador. 



453. M. mexicanus (KAUP). Mexican Crested Flycatcher. 



c\ 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-.S2 (.73), tarsus .97-1.02 (1.00). Hob. 



"Western Mexico, north to southern Arizona; south, in winter, to 



Tehuantepec 453a. M. mexicanus magister EIDGW. 



Arizona Crested Flycatcher. 



>*. Without a broad dusky stripe along inner side of shaft of outer tail- 

 feather, except sometimes near tip. 



c 1 . 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-.S2. Eggs .88 X -66. 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 (LINN.). Crested Flycatcher. 

 c 1 . Throat and chest very pale ashy, sometimes almost white on former ; 



belly pale sulphur-yellow ; back, etc., grayish brown. 

 d l . 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-.9S. Eggs .87 X -65, colored 

 and marked like those of M. mexicanus. Hab. Western 

 United States, east to Rocky Mountains, south over high- 

 lands of Mexico (to lowlands of Tehuantepec in winter). 



454. M. cinerascens LAWR. Ash-throated Flycatcher. 

 d*. Inner web of outer tail-feather without dusky at tip, and outer 

 web not distinctly whitish. 



