441 
Tyrant - birds of Mexico. 
21. Contopus sordidulus, Sclater, P. Z. S. 1859, p. 43. 
Hab. S. Mexico, Orizaba (Bott.), and southwards to Guate¬ 
mala. 
Mus. P. L. S. 
22. Contopus virens (Linn.) : Baird, Rep. p. 195. 
Hab. Mexico, and southwards to Guatemala. 
Mus. P. L. S. 
23. Empidonax brachytarsus, sp. nov. 
Obscure cineraceus, pileo alis et cauda saturatioribus, uropygio 
olivaceo vix tincto : tectricibus alarum minoribus et majori- 
bus et secundariis extus ad apicem sordido albo stricte 
inarginatis: subtus dilutior, gula albicante, ventre medio 
flavicante: tectricibus subalaribus rufescente vix tinctis : 
rostro superiore corneo, inferiore flavido, pedibus nigris : 
long, tota 5 3, alse 2*9, caudse 24, rostri a rictu 5-5, tarsi 5. 
Hab. In Mexico Merid.; Cordova (Salle), et Santecomapam. 
Mus. P. L. S. 
I have two specimens of this little bird in my cabinet, one of 
them being from M. Sallees first collection made at Cordova, and 
the other received from M. Verreaux. Its general appearance 
is more that of a Contopus, with which it also agrees in its short 
tarsi; but its much shorter wings induce me to arrange it with 
Empidonax , placing it next to Empidonax traillii of the U.S., 
which has also short tarsi. The wings are rather longer than in 
E. traillii , the second quill being longest, the third and fourth 
slightly diminishing in length, and the fifth longer than the 
first. The greenish tinge on the rump is hardly perceptible. 
24. Empidonax pusillus (Sw.): Platyrhynchuspusillus, Sw. 
Phil. Mag. 1827, p. 366?; Baird, Rep. p. 194. 
Hab. Northern Mexico, Los Nogales (Kennerly). 
25. Empidonax minimus, Baird, Rep. p. 195. 
Hab. Whole of Mexico, Orizaba (Bott.) : Oaxaca, Playa Vi¬ 
cente and Talea (Boucard). 
Mus. P. L. S. 
26. Empidonax flaviventris, Baird, Rep. p. 198. 
Hab. Whole of Mexico, Jalapa (de Oca). 
Mus. P. L. S. 
