ORDER PASSERES. 1 87 



462 a. Contopus richardsonii peninsulae Brewst. 

 Large-billed Wood Pewee. 



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

 144. 



[B-, C-, R— , C-.] 



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



Genus EMPIDONAX Cabanis. 



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

 Swains. 



463. Empidonax flaviventris Baird. 



Yellow-bellied Flycatcher. 



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



Phila. July, 1843, 283. 

 Empidonax flaviventris ^KY^v>^ B. N. Am. 1858, 198. 



[B 144, C 259, R 322, C388.] 



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 difficilis Baird. 



Western Flycatcher. 



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



[B i44«, C 259, /tzr/, R 323, C 389.] 



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. Lucas Flycatcher. 



Empidonax ci7ieritius Brewst. Auk, V. Jan. 1888, 90. 

 [B-, C— , R-, C-.] 

 Geog. Dist. — Lower California. 



