ORDER PASSERES. 1 87 



462 a. Contopus richardsonii peninsulse Brewst. 



Large-billed Wood Pewee. 



Contopus richardsonii peninsulce Brewst. Auk, VIII. April, 1891, 

 144. 



[B— , C— R— C-.J 



Geog. Dist. — Sierra de la Laguna, Lower California. 



Genus EMFIDONAZ Cabanis. 



Empidonax Cab. J. f. O. 1855, 480. Type, Tyrannula pusilla 

 Swains. 



463. Smpidonaz flaviventris Baird. 



Yellow-bellied Flycatcher. 



Tyrannula flaviventris Baird (W. M. & S. F.), Pr. Ac. Nat. Sci. 



Phila. July, 1843, 283. 

 Empidonax flaviventris Baird, B. N. Am. 1858, 198. 



[B 144, C 259, R 322, C 388.] 



Geog. Dist. — Eastern North America west to the Plains, and from 

 southern Labrador south through eastern Mexico to Panama, breed- 

 ing from the Northern States northward. Casual in Greenland. 



464. Empidonax difScilis Baird. 



Western Flycatcher. 



Empidonax difficilis Baird, B. N. Am. 1858, 198 (in text). 



[B 144a, C 2e^^,part, R 323, C 389.J 



Geog. Dist. — Western United States, from the Plains to the 

 Pacific ; south to Cape St. Lucas and through western Mexico to 

 Costa Rica ; north to southern Alaska. 



464.1. Empidonax cineritius Brewst. 

 St. liucas Flycatcher. 



Empidonax cineritius Brewst. Auk, V. Jan. 1888, 90. 



[B- C— , R-, C-.] 



Geog. Dist. — Lower California. 



