314 
PASSERES. 
1532. Empidonax acadicus. 
Muscicapa acadica, Gm. Syst. Nat. i. p. 947. 
Empidonax acadicus , Baird, B. N. Am. p. 197. 
a Pennsylvania, 22 December 1842 (S. F. Baird) 1847. 
1533. Empidonax flaviventris. 
Tyrannula flaviventris , W. M. & S. F, Baird, Proc. Ac. Phil. 
1843, p. 283. 
Empidonax flaviventris, Baird, Birds N. Am. p. 198: Scl. 
Cat. Am. B. p. 229. 
a $ Carlisle, Pennsylvania, 8 May 1847 ( S . F. Baird ) 1847. 
— b (. Dewgard ) 1849. 
1534. Empidonax aflinis. 
Tyrannula ajflnis, Swains. Phil. Mag. 1827, p. 367. 
Empidonax fulvipectus, Lawr. Ann. Lyc. N. Y. x. p. 11 : Salv. 
Ibis, 1874, p. 310. 
a £ Cinco Sefiores, Mexico, Sep. 1844 ( Galeotti ) 1845. 
This specimen agrees accurately with Swainson’s type example 
now in the University Museum. 
CONTOPUS. 
Contopus, Cabanis, Journ. f. Orn. 1855, p. 479. 
f 1535. Contopus pertinax. 
Contopus pertinax , Cab. & Hein. Mus. Hein. ii. p. 72 : Scl. 
Cat. Am. B. p. 231. 
a Mexico ( T . Mann) 1844. — b £ Sta Gertrudis, Mexico, 
August ( Galeotti ) 1845. 
+ 1538. Contopus virens. 
Muscicapa virens, Linn. Syst. Nat. i. p. 327. 
Contopus virens, Baird, Birds N. Am. p. 190. 
a New York {J. F. Brandt ) 1845. — b £ Carlisle, Pennsyl- 
vania, 13 May 1847 (8. F. Baird) 1847. 
-+■1537. Contopus brachytarsus. 
Empidonax brachytarsus, Scl. Ibis, 1859, p. 441. 
Contopus brachytarsus, Salv. Ibis, 1861, p. 364; Scl. Cat. 
Am. B. p. 231: Scl. & Salv. P. Z. S. 1867, p. 578. 
a £ Mexiana, November 1848 ( A . B. Wallace) 1849. 
