ORDER PASSERES. 235 



[B 144 a, C 259, part, R 323, C 389.] 



HAB. Western United States, from the Plains to the Pacific, south 

 through Western Mexico to Costa Rica. 



465. Empidonax acadicus (GMEL.). 



Acadian Flycatcher. 



Muscicapa acadica GMEL. S. N. I. ii. 1788, 947. 

 Empidonax acadicus BAIRD, B. N. Am. 1858, 197. 



[B 143, C 256, R 324, C 384.] 



HAB. Eastern United States, chiefly southward, west to the Plains, 

 south to Cuba and Costa Rica. 



466. Empidonax pusillus (SWAINS.). 



Little Flycatcher. 



Platyrhynchus pusillus SWAINS. Phil. Mag. I. May, 1827, 366. 

 Empidonax pusillus CABANIS, J. f. O. 1855, 480. 



[Bi 4 i, C25 7 0, R 3 2 5 , C 3 86.] 



HAB. Western North America, from the western border of the 

 Plains to the Pacific, and from the Fur Countries south into Mexico. 



466 a. Empidonax pusillus traillii (AUD.). 



Traill's Flycatcher. 



Muscicapa traillii AUD. Orn. Biog. I. 1832, 236. 

 Empidonax pusillus var. traillii B. B. & R. Hist. N. Am. B. II. 1874, 

 369- 



[B 140, C 257, R 325 a, C 385.] 



HAB. Eastern North America, breeding from the Middle States 

 (Southern Illinois and Missouri) northward ; in winter south to Cen- 

 tral America. 



467. Empidonax minimus BAIRD. 



Least Flycatcher. 



Tyrannula minima BAIRD (W. M. & S. F.), Pr. Ac. Nat. Sci. Phila. 



July, 1843, 284. 

 Empidonax minimus BAIRD, B. N. Am. 1858, 195. 



