ORDER PASSERES. 185 



457. Sayornis saya (BOXAP.). 



Say's Phoebe. 



Muscicapa saya BONAP. Am. Orn. I. 1825, 20. 

 Sayornis say us BAIRD, B. N. Am. 1858, 185. 



[B 136, 250, R 316, C 377.] 



GEOG. DIST. Western United States, from the Plains (central 

 North and South Dakota, Nebraska and Kansas) to the Pacific ; 

 north along the Yukon River to the Arctic Circle ; south to Cape 

 St. Lucas and over the Mexican Plateau to Puebla and central Vera 

 Cruz. Accidental in Massachusetts. 



458. Sayornis nigricans (SWAINS.). 



Black Phoebe. 



Tyrannula nigricans SWAINS. Phil. Mag. I. May, 1827, 367. 

 Sayornis nigricans BONAP. Coll. Delattre, 1854, 87. 



[B 134, C 251, R 317, C 378.] 



GEOG. DIST. Southwestern United States, from Texas through 

 southern New Mexico and Arizona to California, and northward 

 along the Pacific coast to Washington ; south to Cape St. Lucas, Lower 

 California, and in Mexico to Oaxac* 



GENUS CONTOPUS CABANIS. 



Contopus CAB. J. f. O. III. Nov. 1855, 479. Type, Muscicapa 

 virens LINN. 



SUBGEXUS NUTTALLORNIS RIDGW. 



Nuttallornis RIDGW. Man. N. Am. B. 1887, 337. Type, Tyran- 

 nus borealis SWAINS. 



459. Contopus borealis (SWAIXS.). 



Olive-sided Flycatcher. 



Tyrannus borealis SWAINS, in Sw. & RICH. Faun. B. A. II. 



1831, 141, pi. 35. 

 Contopus borealis BAIRD, B. N. Am. 1858, 188. 



