ORDER PASSERES. Pain 
a. Myiarchus magister magister Ripaway. Arizona Crested Flycatcher. 
[453.] 
Myiarchus mexicanus magister Ripaway, Proce. Biol. Soe. Wash., II, 
April 10, 1884, 90. (Camp Lowell, Arizona.) 
RaANGE.— Southern Arizona and southwestern New Mexico south through 
western Mexico to Oaxaca and Chiapas. 
b. Myiarchus magister nélsoni Ripagway. Mexican Crested Flycatcher. 
[453a.] 
Myiarchus magister nelsoni Ripaway, Bull. U. S. Nat. Mus., No. 50, Pt. 
4, 1907, 903. (Alta Mira, Tamaulipas, Mexico.) 
RanGE.— Valley of Lower Rio Grande, Texas, south through eastern and 
southern Mexico to Guatemala, Honduras, and Salvador. 
Myiarchus cinerascens (LAWRENCE). 
RaNnGE.— Western United States south to Lower California, Mexico, 
and Guatemala. 
a. Myiarchus cinerascens cinerascens (LAWRENCE). Ash-throated Flycatcher. 
[454.] 
Tyrannula cinerascens LAWRENCE, Ann. Lye. N. H. N. Y., V, 1851, 121. 
(Between San Antonio and the Rio Grande, western Texas.) 
RanGce.— Western North America. Breeds from southern Washington, 
northern Utah, central Colorado, and central Texas to northern Lower Cali- 
fornia, Sinaloa, Durango, and Tamaulipas; accidental in northern Wyoming 
and northern Colorado; winters south to Guatemala and Yucatan. 
b. Myiarchus cinerascens pértinax Barrp. Lower California Flycatcher. 
[4546.] 
Myjiarchus pertinax Batrp, Proc. Acad. Nat. Sci. Phila., 1859, 303. (Cape 
San Lueas, Lower California.) 
RaNnGE.— Southern half of Lower California. 
Myiarchus lawrencei (GrRAUD). 
RanGeE.— Southern border of United States south to Panama. 
a. [Myiarchus lawrencei lawrencei. Extralimital.] 
b. Myiarchus lawrencei olivascens Ripaway. Olivaceous Flycatcher. 
[455a.] 
Myjiarchus lawrencei olivascens Ripa@way, Proc. Biol. Soe. Wash., II, 
April 10, 1884, 91. (Santa Efigenia, Oaxaca, Mexico.) 
