ORDER PASSERIFORMES. 211 



Nuttallomis mesoleucus (Lichtenstein). Olive-sided Flycatcher. [459.] 



Muscicapa mesoleuca Lichtenstein, Preis-\'erz. . . . Vogel . . . Mex- 

 ico, etc., 1830, 3. (Oaxaca, Mexico.) 



Range. — Breeds in Canadian and Transition zones from central Alaska, 

 southern Mackenzie, central Manitoba, northern Ontario, southern Quebec, 

 and Cape Breton Island south in coniferous forests of the western United 

 States to northern Lower California, New Mexico, Arizona, and western Texas; 

 also in northern Michigan, New York, northern New Jersey and Massachusetts 

 and south in the mountains to North Carolina. Migrates through Mexico and 

 Central America and winters in northern South America from Colombia to 

 Peru. Accidental in Greenland.^ 



Genus PYROCEPHALUS Gould. 



Pyrocephalus Gould, Zool. Voy. Beagle, 1839, 44. Type, by monotypy, 

 Pyrocephalus parvirostris Gould + Muscicapa coronata Gmelin = 

 Muscicapa rubinus Boddaert. 



Pyrocephalus rubinus mexicanus Sclater. Vermilion Flycatcher. [471.] 



Pyrocephalus mexicanus Sclater, Proc. Zool. Soc. Lond., XXVII, 1859, 

 No. 386 [May], 45. (Mexico.) 



Range. — Lower Austral Zone from southeastern California, southern 

 Nevada, southwestern Utah, western and southern Arizona, southern New 

 Mexico, and southern Texas (east to Brookshire), south to Lower Cahfomia and 

 southern Mexico. Accidental in Florida. [Alhed races occur in Yucatan, 

 South America, and the Galdpagos Islands.] 



Genus CAMPTOSTOMA Sclater. 



Camptostoma Sclater, Proc. Zool. Soc. Lond., XXV, 1857, No. 339 [Nov. 

 16], 203. Type, by orig. desig., Camptostoma imherbe Sclater. 



Camptostoma imberbe Sclater. Beardless Flycatcher. [472.] 



Cam.ptostoma imherbe Sclater, Proc. Zool. Soc. Lond., XXV, 1857, No. 

 339 [Nov. 16], 203. (in vicinitate urbis S. Andres Tuxtla, in rep. 

 Mexicana [Vera Cruz].) 



Range. — Southern Arizona and valley of the lower Rio Grande, Texas, 

 south through Mexico to Guatemala and northwestern Costa Rica. 



1 A western race, N. m. majorinus Bangs and Penard, has been proposed 

 (Proc. Biol. Soc. Wash., XXXIV, 1921, 90). 



