ORDER PASSERES. 213 
GENUS NUTTALLORNIS Rivaway. 
Nuttallornis Ripaway, Manual N. A. Birds, 1887, 337. Type, by mono- 
typy, Tyrannus borealis SwWAINSON. 
Nuttallornis borealis (SWAINSON). Olive-sided Flycatcher. [459.] 
Tyrannus borealis Swainson, Fauna Bor.-Am., II, 1831 (1832), 141, pl. 
35. (Cumberland House, Saskatchewan.) 
Rance.— North and South America. Breeds in Canadian and 
Transition zones from central Alaska, southern Mackenzie, southern 
Keewatin, central Quebec, and Cape Breton Island south in coniferous 
forests of western United States to southern California, Arizona, and 
western Texas, and also northern Michigan, New York, and Massa- 
chusetts south in mountains to North Carolina; migrates through 
Mexico and Central America; winters in northern South America 
from Colombia to Peru. 
GENUS MYIOCHANES Capanis & HEINE. 
Myiochanes CaBanis & Herne, Mus. Hein., IT, 1859, 71. Type, by orig. 
desig., Platyrhynchus cinereus SPIx. 
Myiéchanes pértinax (CABANIS & HEINE). 
RANGE.— Southern Arizona to southern Mexico. 
a. [Myiochanes pertinax pertinax. Extralimital.] 
b. Myiochanes pertinax pallidivéntris (CHAPMAN). Coues’s Flycatcher. 
[460.] 
Contopus pertinax pallidiventris CHAPMAN, Auk, XIV, July, 1897, 310. 
(Pima County, Arizona.) 
Ranexe.— Mountains of central Arizona south through Chihuahua, Sonora, 
and Durango to Tepic; accidental in Colorado. 
Myiochanes virens (LINNa&US). Wood Pewee. [461.| 
Muscicapa virens Linnaus, Syst. Nat., ed. 12, I, 1766, 327. (Carolina.) 
