210 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Genus MYIOCHANES Cabanis and Heine. 



Myiochanes Cabanis and Heine, Mus. Hein., II, sig. 9, for Sept. 30, 1859 

 [1860], 71. Type, by monotypy, Platyrhynchus cinereus Spix. 



Myiochanes pertinax pallidiventris (Chapman). Coues's Flycatcher. [460.] 



Contopus pertinax pallidiventris Chapman, Auk, XIV, No. 3, July, 1897, 

 310. (Pima County, Arizona.) 



Range. — Mountains of central Arizona and southwestern New Mexico south 

 through Sonora, Chihuahua, and Durango to Nayarit. Accidental in Colo- 

 rado. [Allied races occur in Mexico and Central America.] 



Myiochanes virens (Linnaeus). Eastern Wood Pewee. [461.] 



Musdcapa virens Linnaeus, Syst. Nat., ed. 12, I, 1766, 327. Based on 

 Muscicapa Carolinensis cinerea, Le Gobemouche cendre de la Caroline 

 Brisson, Orn., II, 368. (in Carolina ad ripas = South Carolina.) 



Range. — Breeds from southern Manitoba, southern Ontario, southern 

 Quebec, and Prince Edward Island to southern Texas and central Florida, 

 west to central Nebraska and west-central Texas. Winters from Nicaragua to 

 Colombia and Peru. Casual in Colorado; accidental in Cuba. 



Myiochanes richardsoni richardsoni (Swainson). Western Wood Pewee. 



[462.] 



Tyrannula richardsonii Swainson, in Swainson and Richardson, Fauna 

 Bor.-Amer., II, 1831 [1832], 146 (pi. 46, lower fig.). (Cumberland 

 House [Saskatchewan].) 



Range. — ^Breeds from central Alaska (casual at Point Barrow), southern 

 Mackenzie, Saskatchewan, and southern Manitoba south to northern Lower 

 California, Sonora, Chihuahua, Coahuila, Nuevo Leon, and Tamaulipas. 

 Migrates through Mexico and Central America; winters in Ecuador, Peru, 

 and Bolivia. 



Myiochanes richardsoni peninsulas (Brew^ster). Large-biUed Wood Pewee. 



[462a.] 



Contopus richardsonii peninsulae Brewster, Auk, VIII, No. 2, April, 1891 

 (separates publ. Feb. 17), 144. (Sierra de la Laguna, Lower California.) 



Range. — Breeds in the Upper Austral Zone of the Sierra de la Lagima, 

 Cape district of Lower California. Winters on the mainland of western 

 Mexico south to Oaxaca, casually to Costa Rica. 



[An additional race of M. richardsoni occurs in southern Mexico.] 



Genus NUTTALLORNIS Ridgway. 



Nuttallornis Ridgway, Manual N. Amer. Birds, 1887, 337. Type, by 

 monotypy, Tyrannus borealis Swainson = Muscicapa mesoleuca 

 Lichtenstein. 



